{"id":10785,"date":"2025-10-08T03:05:04","date_gmt":"2025-10-08T02:05:04","guid":{"rendered":"https:\/\/www.hostragons.com\/?p=10785"},"modified":"2025-10-20T21:14:38","modified_gmt":"2025-10-20T20:14:38","slug":"%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86","status":"publish","type":"post","link":"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/","title":{"rendered":"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08WAF\uff09\u3068\u4fb5\u5165\u9632\u6b62\u30b7\u30b9\u30c6\u30e0\uff08IPS\uff09"},"content":{"rendered":"<p>Bu blog yaz\u0131s\u0131, web g\u00fcvenli\u011finin iki \u00f6nemli bile\u015feni olan Website Firewall (WAF) ve Intrusion Prevention System (IPS) aras\u0131ndaki farklar\u0131 inceliyor. \u00d6ncelikle her iki teknolojinin temel tan\u0131mlar\u0131 ve \u00e7al\u0131\u015fma prensipleri a\u00e7\u0131klan\u0131yor. Ard\u0131ndan, WAF&#8217;\u0131n \u00f6zellikle web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 engellemedeki ba\u015far\u0131s\u0131 ve IPS&#8217;in a\u011f seviyesindeki tehditlere kar\u015f\u0131 koruma sa\u011flama yetene\u011fi vurgulan\u0131yor. Yaz\u0131da, WAF&#8217;\u0131n sundu\u011fu faydalar, IPS&#8217;in avantaj ve dezavantajlar\u0131, hangi durumlarda Website Firewall&#8217;\u0131n tercih edilmesi gerekti\u011fi ve IPS kullan\u0131m senaryolar\u0131 detayland\u0131r\u0131l\u0131yor. Son olarak, her iki sistemi bir arada kullanman\u0131n potansiyel avantajlar\u0131 ve se\u00e7im yaparken dikkat edilmesi gereken hususlar de\u011ferlendiriliyor, kapsaml\u0131 bir bak\u0131\u015f a\u00e7\u0131s\u0131 sunuluyor.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Website_Firewall_Nedir_Temel_Bilgiler\"><\/span>Website Firewall Nedir? Temel Bilgiler<span class=\"ez-toc-section-end\"><\/span><\/h2><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Haritas\u0131<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Website_Firewall_Nedir_Temel_Bilgiler\" >Website Firewall Nedir? Temel Bilgiler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Intrusion_Prevention_System_IPS_Hakkinda_Bilgi\" >Intrusion Prevention System (IPS) Hakk\u0131nda Bilgi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Website_Firewall_ve_IPS_Arasindaki_Farklar\" >Website Firewall ve IPS Aras\u0131ndaki Farklar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Karsilastirmali_Analiz\" >Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Analiz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Uzman_Gorusu\" >Uzman G\u00f6r\u00fc\u015f\u00fc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Website_Firewallin_Sagladigi_Faydalar\" >Website Firewall&#8217;\u0131n Sa\u011flad\u0131\u011f\u0131 Faydalar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#IPSin_Avantajlari_ve_Dezavantajlari\" >IPS&#8217;in Avantajlar\u0131 ve Dezavantajlar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Arti_ve_Eksi_Yonler\" >Art\u0131 ve Eksi Y\u00f6nler<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Hangi_Durumlarda_Website_Firewall_Tercih_Edilir\" >Hangi Durumlarda Website Firewall Tercih Edilir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#IPS_Kullanim_Senaryolari\" >IPS Kullan\u0131m Senaryolar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Gercek_Dunyadan_Ornekler\" >Ger\u00e7ek D\u00fcnyadan \u00d6rnekler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Basari_Hikayeleri\" >Ba\u015far\u0131 Hikayeleri<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Website_Firewall_ve_IPSI_Bir_Arada_Kullanmanin_Avantajlari\" >Website Firewall ve IPS&#8217;\u0130 Bir Arada Kullanman\u0131n Avantajlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Sonuc_ve_Baslica_Alinacak_Dersler\" >Sonu\u00e7 ve Ba\u015fl\u0131ca Al\u0131nacak Dersler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Website_Firewall_ve_IPS_Secerken_Dikkat_Edilmesi_Gerekenler\" >Website Firewall ve IPS Se\u00e7erken Dikkat Edilmesi Gerekenler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.hostragons.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab-waf-%e4%be%b5%e5%85%a5%e9%98%b2%e6%ad%a2%e3%82%b7%e3%82%b9%e3%83%86\/#Sik_Sorulan_Sorular\" >S\u0131k Sorulan Sorular<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong>Website Firewall<\/strong> (WAF), web uygulamalar\u0131 ile internet aras\u0131ndaki trafi\u011fi inceleyen ve k\u00f6t\u00fc ama\u00e7l\u0131 istekleri engelleyen bir g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fcd\u00fcr. Gelen ve giden HTTP trafi\u011fini analiz ederek, yetkisiz eri\u015fimleri, SQL injection sald\u0131r\u0131lar\u0131n\u0131, cross-site scripting (XSS) gibi yayg\u0131n web sald\u0131r\u0131lar\u0131n\u0131 tespit edip engeller. Bir nevi web uygulamalar\u0131 i\u00e7in bir kalkan g\u00f6revi g\u00f6r\u00fcr ve hassas verilerin korunmas\u0131na yard\u0131mc\u0131 olur.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>A\u00e7\u0131klama<\/th>\n<th>Faydalar\u0131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sald\u0131r\u0131 Tespiti<\/td>\n<td>HTTP trafi\u011fini analiz ederek k\u00f6t\u00fc ama\u00e7l\u0131 istekleri tespit eder.<\/td>\n<td>Web uygulamalar\u0131n\u0131 \u00e7e\u015fitli sald\u0131r\u0131lara kar\u015f\u0131 korur.<\/td>\n<\/tr>\n<tr>\n<td>Sanal Yama<\/td>\n<td>G\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 kapatmak i\u00e7in h\u0131zl\u0131 \u00e7\u00f6z\u00fcmler sunar.<\/td>\n<td>Yaz\u0131l\u0131m g\u00fcncellemeleri yap\u0131lana kadar ge\u00e7ici koruma sa\u011flar.<\/td>\n<\/tr>\n<tr>\n<td>Veri Filtreleme<\/td>\n<td>Hassas verilerin (\u00f6rne\u011fin kredi kart\u0131 bilgileri) s\u0131zmas\u0131n\u0131 engeller.<\/td>\n<td>Veri ihlallerini \u00f6nler ve uyumluluk gereksinimlerini kar\u015f\u0131lar.<\/td>\n<\/tr>\n<tr>\n<td>\u00d6zelle\u015ftirilebilir Kurallar<\/td>\n<td>\u0130\u015fletmenin \u00f6zel ihtiya\u00e7lar\u0131na g\u00f6re g\u00fcvenlik kurallar\u0131 olu\u015fturulabilir.<\/td>\n<td>Esnek koruma sa\u011flar ve yanl\u0131\u015f pozitifleri azalt\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>WAF&#8217;lar, genellikle <strong>uygulama katman\u0131<\/strong> (Layer 7) seviyesinde \u00e7al\u0131\u015f\u0131r ve bu sayede HTTP protokol\u00fcne \u00f6zg\u00fc sald\u0131r\u0131lar\u0131 daha etkili bir \u015fekilde tespit edebilir. Geleneksel g\u00fcvenlik duvarlar\u0131ndan farkl\u0131 olarak, WAF&#8217;lar sadece IP adreslerini veya portlar\u0131 de\u011fil, ayn\u0131 zamanda uygulama verilerini de inceler. Bu da onlara daha derinlemesine bir g\u00fcvenlik analizi yapma yetene\u011fi verir.<\/p>\n<p> <strong>Website Firewall \u00d6zellikleri<\/strong> <\/p>\n<ul>\n<li><strong>SQL Injection Korumas\u0131:<\/strong> Veritaban\u0131 sald\u0131r\u0131lar\u0131n\u0131 engeller.<\/li>\n<li><strong>Cross-Site Scripting (XSS) Korumas\u0131:<\/strong> Zararl\u0131 scriptlerin \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131n\u0131 \u00f6nler.<\/li>\n<li><strong>DDoS Korumas\u0131:<\/strong> Yo\u011fun trafik sald\u0131r\u0131lar\u0131n\u0131 hafifletir.<\/li>\n<li><strong>Bot Korumas\u0131:<\/strong> K\u00f6t\u00fc niyetli bot trafi\u011fini engeller.<\/li>\n<li><strong>Veri S\u0131zd\u0131rma Korumas\u0131:<\/strong> Hassas verilerin d\u0131\u015far\u0131 s\u0131zmas\u0131n\u0131 engeller.<\/li>\n<li><strong>Sanal Yama Uygulamas\u0131:<\/strong> Kritik g\u00fcvenlik a\u00e7\u0131klar\u0131na an\u0131nda m\u00fcdahale imkan\u0131 sunar.<\/li>\n<\/ul>\n<p><strong>Website Firewall<\/strong> \u00e7\u00f6z\u00fcmleri, bulut tabanl\u0131, donan\u0131m tabanl\u0131 veya yaz\u0131l\u0131m tabanl\u0131 olabilir. Bulut tabanl\u0131 WAF&#8217;lar, kolay kurulum ve y\u00f6netilebilirlik avantaj\u0131 sunarken, donan\u0131m tabanl\u0131 WAF&#8217;lar y\u00fcksek performans gerektiren durumlar i\u00e7in idealdir. Yaz\u0131l\u0131m tabanl\u0131 WAF&#8217;lar ise daha fazla \u00f6zelle\u015ftirme ve kontrol imkan\u0131 sunar. \u0130\u015fletmeler, ihtiya\u00e7lar\u0131na ve altyap\u0131lar\u0131na en uygun WAF \u00e7\u00f6z\u00fcm\u00fcn\u00fc se\u00e7erek web uygulamalar\u0131n\u0131 g\u00fcvence alt\u0131na alabilirler.<\/p>\n<p><strong>Website Firewall<\/strong>, web uygulamalar\u0131n\u0131 \u00e7e\u015fitli tehditlere kar\u015f\u0131 koruyan, \u00f6zelle\u015ftirilebilir ve katmanl\u0131 bir g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fcd\u00fcr. Do\u011fru yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda, web sitelerinin g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilir ve veri ihlallerini \u00f6nleyebilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Intrusion_Prevention_System_IPS_Hakkinda_Bilgi\"><\/span>Intrusion Prevention System (IPS) Hakk\u0131nda Bilgi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sald\u0131r\u0131 \u00d6nleme Sistemleri (IPS), a\u011flar\u0131 ve sistemleri k\u00f6t\u00fc ama\u00e7l\u0131 aktivitelerden korumak i\u00e7in tasarlanm\u0131\u015f g\u00fcvenlik mekanizmalar\u0131d\u0131r. Bir <strong>Website Firewall<\/strong> gibi, IPS de zararl\u0131 trafi\u011fi tespit etme ve engelleme yetene\u011fine sahiptir. Ancak, IPS genellikle a\u011f trafi\u011fini daha derinlemesine analiz ederek, bilinen sald\u0131r\u0131 kal\u0131plar\u0131n\u0131 (imzalar\u0131n\u0131) ve anormal davran\u0131\u015flar\u0131 belirlemeye odaklan\u0131r. Bu sayede, s\u0131f\u0131r g\u00fcn sald\u0131r\u0131lar\u0131 gibi daha karma\u015f\u0131k tehditlere kar\u015f\u0131 da koruma sa\u011flayabilir.<\/p>\n<p>IPS, genellikle a\u011f ge\u00e7itlerinde veya g\u00fcvenlik duvarlar\u0131n\u0131n arkas\u0131nda konumland\u0131r\u0131l\u0131r ve ger\u00e7ek zamanl\u0131 olarak a\u011f trafi\u011fini izler. \u0130zleme s\u00fcrecinde, sistem \u00f6nceden tan\u0131mlanm\u0131\u015f kurallara ve imzalara g\u00f6re trafi\u011fi inceler. \u015e\u00fcpheli bir aktivite tespit edildi\u011finde, IPS otomatik olarak m\u00fcdahale edebilir. Bu m\u00fcdahaleler aras\u0131nda trafi\u011fi engelleme, ba\u011flant\u0131y\u0131 sonland\u0131rma, sald\u0131r\u0131y\u0131 loglama veya sistem y\u00f6neticisine uyar\u0131 g\u00f6nderme gibi eylemler yer alabilir.<\/p>\n<p> <strong>IPS&#8217;in Temel \u00d6zellikleri<\/strong> <\/p>\n<ul>\n<li><strong>Ger\u00e7ek Zamanl\u0131 \u0130zleme:<\/strong> A\u011f trafi\u011fini s\u00fcrekli olarak izler ve analiz eder.<\/li>\n<li><strong>Sald\u0131r\u0131 Tespiti:<\/strong> Bilinen sald\u0131r\u0131 imzalar\u0131n\u0131 ve anormal davran\u0131\u015flar\u0131 tespit eder.<\/li>\n<li><strong>Otomatik M\u00fcdahale:<\/strong> Tehditleri otomatik olarak engeller veya karantinaya al\u0131r.<\/li>\n<li><strong>Raporlama ve Loglama:<\/strong> Tespit edilen sald\u0131r\u0131lar\u0131 ve al\u0131nan \u00f6nlemleri kaydeder.<\/li>\n<li><strong>\u00d6zelle\u015ftirilebilir Kurallar:<\/strong> \u0130\u015fletmenin \u00f6zel g\u00fcvenlik ihtiya\u00e7lar\u0131na g\u00f6re yap\u0131land\u0131r\u0131labilir.<\/li>\n<\/ul>\n<p>IPS, <strong>Website Firewall<\/strong> ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda daha geni\u015f bir yelpazede tehdidi tespit etme kapasitesine sahiptir. Web uygulama sald\u0131r\u0131lar\u0131n\u0131n yan\u0131 s\u0131ra, a\u011f seviyesindeki sald\u0131r\u0131lar\u0131, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 ve veri s\u0131z\u0131nt\u0131s\u0131 giri\u015fimlerini de engelleyebilir. Bu, IPS&#8217;in bir kurulu\u015fun genel g\u00fcvenlik duru\u015funu g\u00fc\u00e7lendirmede kritik bir rol oynamas\u0131n\u0131 sa\u011flar.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>IPS (Sald\u0131r\u0131 \u00d6nleme Sistemi)<\/th>\n<th>WAF (Website Firewall)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odak Noktas\u0131<\/td>\n<td>A\u011f ve sistem g\u00fcvenli\u011fi<\/td>\n<td>Web uygulamas\u0131 g\u00fcvenli\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Koruma Alan\u0131<\/td>\n<td>Geni\u015f kapsaml\u0131 a\u011f trafi\u011fi<\/td>\n<td>HTTP\/HTTPS trafi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Sald\u0131r\u0131 Tespiti<\/td>\n<td>\u0130mza tabanl\u0131 ve davran\u0131\u015fsal analiz<\/td>\n<td>Web uygulama sald\u0131r\u0131lar\u0131na \u00f6zel kurallar<\/td>\n<\/tr>\n<tr>\n<td>M\u00fcdahale<\/td>\n<td>Otomatik engelleme, karantina<\/td>\n<td>Trafi\u011fi filtreleme, eri\u015fimi engelleme<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ancak, IPS&#8217;in etkinli\u011fi, g\u00fcncel sald\u0131r\u0131 imzalar\u0131na ve do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f kurallara ba\u011fl\u0131d\u0131r. Bu nedenle, IPS&#8217;in d\u00fczenli olarak g\u00fcncellenmesi ve i\u015fletmenin g\u00fcvenlik politikalar\u0131yla uyumlu hale getirilmesi \u00f6nemlidir. Aksi takdirde, yanl\u0131\u015f pozitifler (yanl\u0131\u015f alarm) veya yanl\u0131\u015f negatifler (sald\u0131r\u0131lar\u0131 ka\u00e7\u0131rma) gibi sorunlar ortaya \u00e7\u0131kabilir. Bu durum, sistemin verimlili\u011fini d\u00fc\u015f\u00fcrebilir ve i\u015fletmenin operasyonel s\u00fcre\u00e7lerini olumsuz etkileyebilir.<\/p>\n<p>\u0130PS, bir kurulu\u015fun g\u00fcvenlik stratejisinin \u00f6nemli bir par\u00e7as\u0131d\u0131r ve <strong>Website Firewall<\/strong> gibi di\u011fer g\u00fcvenlik \u00f6nlemleriyle birlikte kullan\u0131ld\u0131\u011f\u0131nda en iyi sonu\u00e7lar\u0131 verir. Do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f ve g\u00fcncel tutulan bir IPS, a\u011flar\u0131 ve sistemleri \u00e7e\u015fitli tehditlere kar\u015f\u0131 etkili bir \u015fekilde koruyabilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Website_Firewall_ve_IPS_Arasindaki_Farklar\"><\/span>Website Firewall ve IPS Aras\u0131ndaki Farklar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Website Firewall<\/strong> (WAF) ve Intrusion Prevention System (IPS), web sitelerini ve a\u011flar\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 sald\u0131r\u0131lardan korumak i\u00e7in kullan\u0131lan iki farkl\u0131 g\u00fcvenlik teknolojisidir. Her ikisi de g\u00fcvenlik tehditlerini tespit etme ve engelleme konusunda \u00f6nemli roller \u00fcstlenirken, \u00e7al\u0131\u015fma prensipleri ve koruma sa\u011flad\u0131klar\u0131 alanlar bak\u0131m\u0131ndan farkl\u0131l\u0131k g\u00f6sterirler. Bu farkl\u0131l\u0131klar\u0131 anlamak, do\u011fru g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fcn\u00fc se\u00e7mek i\u00e7in kritik \u00f6neme sahiptir.<\/p>\n<table> WAF ve IPS Kar\u015f\u0131la\u015ft\u0131rmas\u0131 <\/p>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Website Firewall (WAF)<\/th>\n<th>Intrusion Prevention System (IPS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odak Noktas\u0131<\/td>\n<td>Web uygulamalar\u0131<\/td>\n<td>A\u011f trafi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Koruma Katman\u0131<\/td>\n<td>Uygulama katman\u0131 (Katman 7)<\/td>\n<td>A\u011f katman\u0131 (Katman 3-4)<\/td>\n<\/tr>\n<tr>\n<td>Sald\u0131r\u0131 Tespiti<\/td>\n<td>HTTP trafi\u011fini analiz ederek uygulama katman\u0131 sald\u0131r\u0131lar\u0131n\u0131 (SQL injection, XSS) tespit eder.<\/td>\n<td>A\u011f trafi\u011fini analiz ederek bilinen sald\u0131r\u0131 imzalar\u0131n\u0131 ve anormallikleri tespit eder.<\/td>\n<\/tr>\n<tr>\n<td>Engelleme Y\u00f6ntemi<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 istekleri engeller ve filtreler.<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 trafi\u011fi engeller ve ba\u011flant\u0131lar\u0131 keser.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Temel olarak, <strong>Website Firewall<\/strong> (WAF) web uygulamalar\u0131na y\u00f6nelik \u00f6zel olarak tasarlanm\u0131\u015f bir g\u00fcvenlik duvar\u0131d\u0131r. Web uygulamalar\u0131na gelen HTTP trafi\u011fini derinlemesine inceleyerek, SQL injection, cross-site scripting (XSS) gibi yayg\u0131n uygulama katman\u0131 sald\u0131r\u0131lar\u0131n\u0131 tespit eder ve engeller. IPS ise daha geni\u015f bir a\u011f g\u00fcvenli\u011fi \u00e7\u00f6z\u00fcm\u00fc olup, a\u011f trafi\u011fini analiz ederek bilinen sald\u0131r\u0131 imzalar\u0131n\u0131, anormallikleri ve k\u00f6t\u00fc ama\u00e7l\u0131 aktiviteleri tespit etmeye odaklan\u0131r.<\/p>\n<p>Bir <strong>Website Firewall<\/strong>, web uygulamas\u0131n\u0131n \u00f6n\u00fcnde bir bariyer g\u00f6revi g\u00f6rerek, yaln\u0131zca me\u015fru trafi\u011fin uygulamaya ula\u015fmas\u0131n\u0131 sa\u011flar. Bu, \u00f6zellikle hassas verileri i\u015fleyen veya e-ticaret i\u015flemleri ger\u00e7ekle\u015ftiren web siteleri i\u00e7in kritik bir g\u00fcvenlik katman\u0131 sa\u011flar. \u00d6te yandan, IPS a\u011f genelinde bir g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fc olarak, farkl\u0131 t\u00fcrdeki sald\u0131r\u0131lar\u0131 engellemek i\u00e7in tasarlanm\u0131\u015ft\u0131r ve a\u011f performans\u0131n\u0131 optimize etmeye yard\u0131mc\u0131 olabilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Karsilastirmali_Analiz\"><\/span>Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Analiz<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>WAF ve IPS aras\u0131ndaki temel fark, koruma sa\u011flad\u0131klar\u0131 katman ve odakland\u0131klar\u0131 sald\u0131r\u0131 t\u00fcrleridir. WAF, uygulama katman\u0131ndaki (Katman 7) sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flarken, IPS a\u011f katman\u0131ndaki (Katman 3-4) sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flar. Bu nedenle, her iki teknolojinin de birlikte kullan\u0131lmas\u0131, kapsaml\u0131 bir g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fc sunabilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uzman_Gorusu\"><\/span>Uzman G\u00f6r\u00fc\u015f\u00fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u00fcvenlik uzmanlar\u0131, web sitelerinin ve a\u011flar\u0131n g\u00fcvenli\u011fini sa\u011flamak i\u00e7in hem <strong>Website Firewall<\/strong> hem de IPS&#8217;in kullan\u0131lmas\u0131n\u0131 \u00f6nermektedir. WAF, web uygulamalar\u0131na y\u00f6nelik \u00f6zel sald\u0131r\u0131lar\u0131 engellerken, IPS a\u011f genelindeki tehditlere kar\u015f\u0131 bir savunma hatt\u0131 olu\u015fturur. Her iki teknolojinin birlikte kullan\u0131lmas\u0131, \u00e7ok katmanl\u0131 bir g\u00fcvenlik yakla\u015f\u0131m\u0131 sa\u011flayarak, sald\u0131r\u0131lara kar\u015f\u0131 daha g\u00fc\u00e7l\u00fc bir koruma sunar.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Website_Firewallin_Sagladigi_Faydalar\"><\/span>Website Firewall&#8217;\u0131n Sa\u011flad\u0131\u011f\u0131 Faydalar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bir <strong>Website Firewall<\/strong> (WAF), web uygulamalar\u0131n\u0131za y\u00f6nelik \u00e7ok \u00e7e\u015fitli tehditlere kar\u015f\u0131 koruma sa\u011flayarak siber g\u00fcvenlik stratejinizin \u00f6nemli bir par\u00e7as\u0131d\u0131r. Gelen ve giden HTTP trafi\u011fini inceleyerek k\u00f6t\u00fc ama\u00e7l\u0131 istekleri tespit eder ve engeller. Bu, veri ihlallerini \u00f6nlemenize, uygulaman\u0131z\u0131n kullan\u0131labilirli\u011fini koruman\u0131za ve itibar\u0131n\u0131z\u0131 g\u00fcvende tutman\u0131za yard\u0131mc\u0131 olur.<\/p>\n<p>WAF&#8217;ler, geleneksel a\u011f g\u00fcvenlik duvarlar\u0131n\u0131n tespit etmekte zorland\u0131\u011f\u0131 uygulama katman\u0131 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 \u00f6zel olarak tasarlanm\u0131\u015ft\u0131r. \u00d6rne\u011fin, SQL injection, siteler aras\u0131 komut dosyas\u0131 \u00e7al\u0131\u015ft\u0131rma (XSS) ve di\u011fer yayg\u0131n web sald\u0131r\u0131lar\u0131na kar\u015f\u0131 etkili bir savunma mekanizmas\u0131 sunarlar. Bu sald\u0131r\u0131lar, hassas verilere eri\u015fmek, web sitenizi tahrif etmek veya kullan\u0131c\u0131lar\u0131n\u0131z\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 sitelere y\u00f6nlendirmek i\u00e7in kullan\u0131labilir.<\/p>\n<p> <strong>Website Firewall Faydalar\u0131<\/strong> <\/p>\n<ul>\n<li>SQL injection ve XSS gibi yayg\u0131n web sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma sa\u011flar.<\/li>\n<li>Veri ihlallerini ve hassas bilgilerin \u00e7al\u0131nmas\u0131n\u0131 \u00f6nler.<\/li>\n<li>Web uygulamas\u0131n\u0131n kullan\u0131labilirli\u011fini ve performans\u0131n\u0131 art\u0131r\u0131r.<\/li>\n<li>Yasal d\u00fczenlemelere ve uyumluluk standartlar\u0131na (\u00f6rne\u011fin, PCI DSS) uyumu kolayla\u015ft\u0131r\u0131r.<\/li>\n<li>Siber tehditlere kar\u015f\u0131 proaktif bir savunma mekanizmas\u0131 sunar.<\/li>\n<\/ul>\n<p>Bir WAF kullanmak, sadece g\u00fcvenlik a\u00e7\u0131s\u0131ndan de\u011fil, ayn\u0131 zamanda i\u015f s\u00fcreklili\u011fi a\u00e7\u0131s\u0131ndan da \u00f6nemlidir. Web uygulaman\u0131z\u0131n g\u00fcvenli\u011fi ihlal edildi\u011finde, bu durum itibar kayb\u0131na, m\u00fc\u015fteri g\u00fcveninin azalmas\u0131na ve mali kay\u0131plara yol a\u00e7abilir. Bir WAF, bu t\u00fcr olaylar\u0131n \u00f6n\u00fcne ge\u00e7erek i\u015finizin sorunsuz bir \u015fekilde devam etmesini sa\u011flar.<\/p>\n<table>\n<thead>\n<tr>\n<th>Fayda<\/th>\n<th>A\u00e7\u0131klama<\/th>\n<th>\u00d6nemi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sald\u0131r\u0131 \u00d6nleme<\/td>\n<td>Web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 engeller.<\/td>\n<td>Kritik<\/td>\n<\/tr>\n<tr>\n<td>Veri Koruma<\/td>\n<td>Hassas verilerin \u00e7al\u0131nmas\u0131n\u0131 \u00f6nler.<\/td>\n<td>Y\u00fcksek<\/td>\n<\/tr>\n<tr>\n<td>Uyumluluk<\/td>\n<td>Yasal d\u00fczenlemelere uyumu sa\u011flar.<\/td>\n<td>Orta<\/td>\n<\/tr>\n<tr>\n<td>Performans<\/td>\n<td>Web sitesi performans\u0131n\u0131 optimize eder.<\/td>\n<td>Y\u00fcksek<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"IPSin_Avantajlari_ve_Dezavantajlari\"><\/span>IPS&#8217;in Avantajlar\u0131 ve Dezavantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sald\u0131r\u0131 \u00d6nleme Sistemleri (IPS), a\u011f trafi\u011fini s\u00fcrekli olarak izleyerek k\u00f6t\u00fc niyetli aktiviteleri tespit etme ve engelleme konusunda \u00f6nemli bir rol oynar. <strong>Website Firewall<\/strong> \u00e7\u00f6z\u00fcmleriyle birlikte kullan\u0131ld\u0131\u011f\u0131nda, web uygulamalar\u0131n\u0131n ve a\u011flar\u0131n g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilirler. Ancak, her teknolojide oldu\u011fu gibi, IPS&#8217;lerin de avantajlar\u0131 ve dezavantajlar\u0131 bulunmaktad\u0131r. Bu b\u00f6l\u00fcmde, IPS&#8217;lerin g\u00fc\u00e7l\u00fc y\u00f6nlerini ve dikkat edilmesi gereken zay\u0131f noktalar\u0131n\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz.<\/p>\n<p>IPS&#8217;lerin en b\u00fcy\u00fck avantajlar\u0131ndan biri, <strong>proaktif<\/strong> bir g\u00fcvenlik yakla\u015f\u0131m\u0131 sunmalar\u0131d\u0131r. \u0130mza tabanl\u0131 tespit y\u00f6ntemleri sayesinde bilinen sald\u0131r\u0131lar\u0131 an\u0131nda engelleyebilirken, davran\u0131\u015f analizi y\u00f6ntemleriyle de s\u0131f\u0131r g\u00fcn sald\u0131r\u0131lar\u0131 gibi daha \u00f6nce g\u00f6r\u00fclmemi\u015f tehditlere kar\u015f\u0131 koruma sa\u011flayabilirler. Bu sayede, a\u011f\u0131n\u0131zdaki potansiyel zararlar\u0131 en aza indirerek i\u015f s\u00fcreklili\u011finizi koruyabilirsiniz.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Avantajlar\u0131<\/th>\n<th>Dezavantajlar\u0131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tehdit Tespiti<\/td>\n<td>Bilinen ve bilinmeyen tehditleri tespit edebilir.<\/td>\n<td>Yanl\u0131\u015f pozitif (false positive) alarm \u00fcretebilir.<\/td>\n<\/tr>\n<tr>\n<td>Otomatik Engelleme<\/td>\n<td>Tehditleri otomatik olarak engelleyebilir.<\/td>\n<td>Yanl\u0131\u015fl\u0131kla me\u015fru trafi\u011fi engelleyebilir.<\/td>\n<\/tr>\n<tr>\n<td>Performans<\/td>\n<td>A\u011f trafi\u011fini s\u00fcrekli izler ve analiz eder.<\/td>\n<td>A\u011f performans\u0131n\u0131 etkileyebilir.<\/td>\n<\/tr>\n<tr>\n<td>G\u00fcncelleme<\/td>\n<td>S\u00fcrekli g\u00fcncellenen tehdit istihbarat\u0131na ihtiya\u00e7 duyar.<\/td>\n<td>G\u00fcncel olmayan sistemler etkisiz kalabilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bununla birlikte, IPS&#8217;lerin baz\u0131 dezavantajlar\u0131 da g\u00f6z \u00f6n\u00fcnde bulundurulmal\u0131d\u0131r. \u00d6zellikle, yanl\u0131\u015f pozitif (false positive) alarm \u00fcretme olas\u0131l\u0131\u011f\u0131, sistem y\u00f6neticileri i\u00e7in ek y\u00fck olu\u015fturabilir. Yanl\u0131\u015f pozitifler, me\u015fru trafi\u011fin engellenmesine ve dolay\u0131s\u0131yla i\u015f ak\u0131\u015f\u0131n\u0131n aksamas\u0131na neden olabilir. Bu nedenle, IPS&#8217;lerin do\u011fru yap\u0131land\u0131r\u0131lmas\u0131 ve s\u00fcrekli olarak ayarlanmas\u0131 b\u00fcy\u00fck \u00f6nem ta\u015f\u0131r. Ayr\u0131ca, IPS&#8217;lerin a\u011f performans\u0131n\u0131 etkileyebilece\u011fi de unutulmamal\u0131d\u0131r. Yo\u011fun trafik alt\u0131nda \u00e7al\u0131\u015fan IPS&#8217;ler, gecikmelere ve performans d\u00fc\u015f\u00fc\u015flerine yol a\u00e7abilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Arti_ve_Eksi_Yonler\"><\/span>Art\u0131 ve Eksi Y\u00f6nler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0130PS&#8217;ler g\u00fc\u00e7l\u00fc bir g\u00fcvenlik katman\u0131 sa\u011flarken, do\u011fru yap\u0131land\u0131r\u0131lmalar\u0131 ve y\u00f6netilmeleri gerekmektedir. Aksi takdirde, beklenen fayday\u0131 sa\u011flamak yerine, ek sorunlara yol a\u00e7abilirler. IPS&#8217;in art\u0131 ve eksi y\u00f6nlerini de\u011ferlendirerek organizasyonunuz i\u00e7in en uygun g\u00fcvenlik stratejisini belirleyebilirsiniz.<\/p>\n<p>A\u015fa\u011f\u0131da IPS sistemlerinin temel art\u0131 ve eksilerini bulabilirsiniz:<\/p>\n<ul>\n<li><strong>Art\u0131lar\u0131:<\/strong>\n<ol>\n<li>Proaktif tehdit \u00f6nleme<\/li>\n<li>Geli\u015fmi\u015f tehdit tespiti<\/li>\n<li>Otomatik m\u00fcdahale<\/li>\n<\/ol>\n<\/li>\n<li><strong>Eksileri:<\/strong>\n<ol>\n<li>Yanl\u0131\u015f pozitif olas\u0131l\u0131\u011f\u0131<\/li>\n<li>Performans etkileri<\/li>\n<li>Karma\u015f\u0131k yap\u0131land\u0131rma<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Hangi_Durumlarda_Website_Firewall_Tercih_Edilir\"><\/span>Hangi Durumlarda Website Firewall Tercih Edilir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Website Firewall<\/strong> (WAF), belirli senaryolarda Intrusion Prevention System (IPS)&#8217;e k\u0131yasla daha uygun bir tercih olabilir. \u00d6zellikle web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 engelleme konusunda uzmanla\u015fm\u0131\u015f bir \u00e7\u00f6z\u00fcm ar\u0131yorsan\u0131z, WAF \u00f6ncelikli olarak de\u011ferlendirilmelidir. WAF&#8217;lar, SQL injection, cross-site scripting (XSS) ve di\u011fer yayg\u0131n web uygulama g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 hedef alan sald\u0131r\u0131lar\u0131 tespit etmek ve engellemek i\u00e7in tasarlanm\u0131\u015ft\u0131r. Bu t\u00fcr sald\u0131r\u0131lar, IPS&#8217;ler taraf\u0131ndan her zaman etkili bir \u015fekilde yakalanamayabilir, \u00e7\u00fcnk\u00fc IPS&#8217;ler genellikle a\u011f trafi\u011fini genel olarak inceler ve web uygulamalar\u0131na \u00f6zg\u00fc g\u00fcvenlik a\u00e7\u0131klar\u0131na odaklanmaz.<\/p>\n<table>\n<thead>\n<tr>\n<th>Kriter<\/th>\n<th>Website Firewall (WAF)<\/th>\n<th>Intrusion Prevention System (IPS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odak Noktas\u0131<\/td>\n<td>Web Uygulamalar\u0131<\/td>\n<td>A\u011f Trafi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Sald\u0131r\u0131 T\u00fcrleri<\/td>\n<td>SQL injection, XSS, CSRF<\/td>\n<td>DoS, DDoS, A\u011f Tabanl\u0131 Exploitler<\/td>\n<\/tr>\n<tr>\n<td>Konfig\u00fcrasyon<\/td>\n<td>Web Uygulamalar\u0131na \u00d6zel Kurallar<\/td>\n<td>A\u011f Seviyesinde Politikalar<\/td>\n<\/tr>\n<tr>\n<td>Karma\u015f\u0131kl\u0131k<\/td>\n<td>Y\u00fcksek, Web Uygulama Bilgisi Gerektirir<\/td>\n<td>Orta, A\u011f G\u00fcvenli\u011fi Bilgisi Gerektirir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ayr\u0131ca, <strong>web uygulama g\u00fcvenli\u011fine \u00f6zel bir b\u00fct\u00e7e<\/strong> ay\u0131rmak istiyorsan\u0131z, WAF daha maliyet etkin bir \u00e7\u00f6z\u00fcm olabilir. IPS&#8217;ler genellikle daha geni\u015f kapsaml\u0131 g\u00fcvenlik \u00e7\u00f6z\u00fcmleri olup, daha y\u00fcksek bir maliyetle gelirler. E\u011fer temel hedefiniz web uygulamalar\u0131n\u0131z\u0131 korumaksa, WAF yat\u0131r\u0131m\u0131n\u0131z\u0131n kar\u015f\u0131l\u0131\u011f\u0131n\u0131 daha h\u0131zl\u0131 ve etkili bir \u015fekilde alman\u0131z\u0131 sa\u011flayabilir. \u00d6zellikle k\u00fc\u00e7\u00fck ve orta \u00f6l\u00e7ekli i\u015fletmeler (KOB\u0130&#8217;ler) i\u00e7in, WAF&#8217;lar daha uygun fiyatl\u0131 ve y\u00f6netilebilir bir se\u00e7enek sunabilir.<\/p>\n<ol> <strong>Website Firewall Kullanma Ad\u0131mlar\u0131<\/strong> <\/p>\n<li>\u0130htiya\u00e7lar\u0131n\u0131z\u0131 belirleyin: Hangi web uygulamalar\u0131n\u0131 koruman\u0131z gerekiyor? Hangi t\u00fcr sald\u0131r\u0131lara kar\u015f\u0131 savunma yapman\u0131z gerekiyor?<\/li>\n<li>WAF \u00e7\u00f6z\u00fcmlerini ara\u015ft\u0131r\u0131n: Farkl\u0131 WAF sa\u011flay\u0131c\u0131lar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131n ve b\u00fct\u00e7enize ve ihtiya\u00e7lar\u0131n\u0131za uygun bir \u00e7\u00f6z\u00fcm bulun.<\/li>\n<li>WAF&#8217;\u0131 yap\u0131land\u0131r\u0131n: WAF&#8217;\u0131 web uygulamalar\u0131n\u0131za uygun \u015fekilde yap\u0131land\u0131r\u0131n. Varsay\u0131lan kurallar\u0131 inceleyin ve gerekti\u011finde \u00f6zelle\u015ftirin.<\/li>\n<li>Test edin: WAF&#8217;\u0131n do\u011fru \u015fekilde \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmak i\u00e7in testler yap\u0131n.<\/li>\n<li>\u0130zleyin ve g\u00fcncelleyin: WAF&#8217;\u0131 d\u00fczenli olarak izleyin ve yeni tehditlere kar\u015f\u0131 g\u00fcncel tutun.<\/li>\n<\/ol>\n<p>Bir di\u011fer \u00f6nemli senaryo ise, <strong>uyumluluk gereksinimleri<\/strong>dir. PCI DSS gibi baz\u0131 end\u00fcstri standartlar\u0131, web uygulamalar\u0131n\u0131n g\u00fcvenli\u011fini sa\u011flamak i\u00e7in WAF kullan\u0131m\u0131n\u0131 zorunlu k\u0131labilir. E\u011fer bu t\u00fcr bir standarda uyman\u0131z gerekiyorsa, WAF kullanmak ka\u00e7\u0131n\u0131lmaz hale gelebilir. Bu t\u00fcr durumlarda, WAF sadece bir g\u00fcvenlik \u00f6nlemi de\u011fil, ayn\u0131 zamanda bir yasal zorunluluktur.<\/p>\n<p>E\u011fer web uygulaman\u0131zda <strong>s\u00fcrekli olarak g\u00fcncellenen ve de\u011fi\u015fen bir kod taban\u0131<\/strong> varsa, WAF kullanmak daha esnek bir \u00e7\u00f6z\u00fcm olabilir. IPS&#8217;ler genellikle statik kurallar kullan\u0131rken, WAF&#8217;lar dinamik olarak de\u011fi\u015fen tehditlere daha h\u0131zl\u0131 adapte olabilir. Bu sayede, web uygulaman\u0131zdaki de\u011fi\u015fikliklerden kaynaklanabilecek g\u00fcvenlik a\u00e7\u0131klar\u0131na kar\u015f\u0131 daha \u00e7evik bir koruma sa\u011flayabilirsiniz. <\/p>\n<h2><span class=\"ez-toc-section\" id=\"IPS_Kullanim_Senaryolari\"><\/span>IPS Kullan\u0131m Senaryolar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Intrusion Prevention System (IPS), yani Sald\u0131r\u0131 \u00d6nleme Sistemleri, a\u011flar\u0131 ve sistemleri k\u00f6t\u00fc ama\u00e7l\u0131 aktivitelerden korumak i\u00e7in \u00e7e\u015fitli senaryolarda kullan\u0131l\u0131r. <strong>Website Firewall<\/strong> ile birlikte kullan\u0131ld\u0131\u011f\u0131nda, \u00e7ok katmanl\u0131 bir g\u00fcvenlik yakla\u015f\u0131m\u0131 sunarak, web uygulamalar\u0131n\u0131n ve altyap\u0131s\u0131n\u0131n g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131r\u0131r. IPS, \u00f6zellikle bilinen ve bilinmeyen tehditlere kar\u015f\u0131 proaktif bir savunma mekanizmas\u0131 sa\u011flar.<\/p>\n<p>IPS&#8217;in temel kullan\u0131m senaryolar\u0131ndan biri, <strong>a\u011f tabanl\u0131 sald\u0131r\u0131lar\u0131 engellemektir<\/strong>. Bu t\u00fcr sald\u0131r\u0131lar, a\u011f trafi\u011fi \u00fczerinden sisteme s\u0131zmaya \u00e7al\u0131\u015fan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar, vir\u00fcsler ve di\u011fer zararl\u0131 aktiviteleri i\u00e7erir. IPS, a\u011f trafi\u011fini s\u00fcrekli olarak izleyerek, \u015f\u00fcpheli davran\u0131\u015flar\u0131 tespit eder ve otomatik olarak engeller. Bu sayede, sistemlerin zarar g\u00f6rmesi veya veri kayb\u0131 ya\u015fanmas\u0131 \u00f6nlenir.<\/p>\n<table>\n<thead>\n<tr>\n<th>Senaryo<\/th>\n<th>A\u00e7\u0131klama<\/th>\n<th>IPS&#8217;nin Rol\u00fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DDoS Sald\u0131r\u0131lar\u0131<\/td>\n<td>Bir sisteme a\u015f\u0131r\u0131 y\u00fck bindirerek hizmet d\u0131\u015f\u0131 b\u0131rakma giri\u015fimi.<\/td>\n<td>Anormal trafik hacmini tespit edip, zararl\u0131 trafi\u011fi filtreler.<\/td>\n<\/tr>\n<tr>\n<td>SQL Enjeksiyonlar\u0131<\/td>\n<td>Veritaban\u0131 sistemlerine yetkisiz eri\u015fim sa\u011flama ama\u00e7l\u0131 sald\u0131r\u0131lar.<\/td>\n<td>SQL enjeksiyon giri\u015fimlerini tespit ederek engeller.<\/td>\n<\/tr>\n<tr>\n<td>S\u0131f\u0131r G\u00fcn Sald\u0131r\u0131lar\u0131<\/td>\n<td>Hen\u00fcz yamas\u0131 yay\u0131nlanmam\u0131\u015f g\u00fcvenlik a\u00e7\u0131klar\u0131ndan faydalanan sald\u0131r\u0131lar.<\/td>\n<td>Davran\u0131\u015fsal analiz ile \u015f\u00fcpheli aktiviteleri tespit eder ve engeller.<\/td>\n<\/tr>\n<tr>\n<td>K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m Yay\u0131l\u0131m\u0131<\/td>\n<td>A\u011f \u00fczerinde vir\u00fcs, solucan gibi zararl\u0131 yaz\u0131l\u0131mlar\u0131n yay\u0131lmas\u0131.<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m i\u00e7eren trafi\u011fi tespit ederek karantinaya al\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bir di\u011fer \u00f6nemli kullan\u0131m senaryosu ise, <strong>uygulama katman\u0131 sald\u0131r\u0131lar\u0131n\u0131 tespit etmek ve engellemektir<\/strong>. IPS, web uygulamalar\u0131 ve di\u011fer uygulamalar \u00fczerinde ger\u00e7ekle\u015fen sald\u0131r\u0131lar\u0131 analiz ederek, g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 hedef alan giri\u015fimleri durdurur. Bu, \u00f6zellikle hassas verilerin korunmas\u0131 ve i\u015f s\u00fcreklili\u011finin sa\u011flanmas\u0131 a\u00e7\u0131s\u0131ndan kritik \u00f6neme sahiptir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gercek_Dunyadan_Ornekler\"><\/span>Ger\u00e7ek D\u00fcnyadan \u00d6rnekler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir e-ticaret sitesi, IPS kullanarak kredi kart\u0131 bilgilerini \u00e7almaya y\u00f6nelik SQL enjeksiyonu sald\u0131r\u0131lar\u0131n\u0131 ba\u015far\u0131yla engelledi. IPS, veritaban\u0131na g\u00f6nderilen sorgular\u0131 analiz ederek, k\u00f6t\u00fc ama\u00e7l\u0131 kodlar\u0131 tespit etti ve sald\u0131r\u0131y\u0131 durdurdu. Bu sayede, m\u00fc\u015fteri bilgilerinin g\u00fcvenli\u011fi sa\u011fland\u0131 ve \u015firketin itibar\u0131 korundu.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Basari_Hikayeleri\"><\/span>Ba\u015far\u0131 Hikayeleri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir finans kurulu\u015fu, IPS sayesinde a\u011f trafi\u011findeki anormal davran\u0131\u015flar\u0131 tespit ederek, fidye yaz\u0131l\u0131m\u0131 sald\u0131r\u0131s\u0131n\u0131 erken a\u015famada engelledi. IPS, \u015f\u00fcpheli dosya transferlerini ve yetkisiz eri\u015fim giri\u015fimlerini belirleyerek, g\u00fcvenlik ekiplerini uyard\u0131 ve h\u0131zl\u0131 m\u00fcdahale imkan\u0131 sa\u011flad\u0131. Bu, \u015firketin b\u00fcy\u00fck bir maddi kay\u0131ptan ve itibar kayb\u0131ndan kurtulmas\u0131na yard\u0131mc\u0131 oldu.<\/p>\n<p>IPS \u00e7\u00f6z\u00fcmleri, g\u00fcn\u00fcm\u00fczde siber g\u00fcvenlik stratejilerinin vazge\u00e7ilmez bir par\u00e7as\u0131 haline gelmi\u015ftir. Proaktif tehdit tespiti ve engelleme yetenekleri sayesinde, kurulu\u015flar\u0131n siber sald\u0131r\u0131lara kar\u015f\u0131 daha diren\u00e7li olmalar\u0131n\u0131 sa\u011flar. <strong>Unutulmamal\u0131d\u0131r ki<\/strong>, etkili bir IPS \u00e7\u00f6z\u00fcm\u00fc, s\u00fcrekli olarak g\u00fcncellenmeli ve yap\u0131land\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n<p>  IPS, sadece bir g\u00fcvenlik arac\u0131 de\u011fil, ayn\u0131 zamanda bir erken uyar\u0131 sistemidir. Tehditleri daha olu\u015fmadan tespit ederek, proaktif bir savunma mekanizmas\u0131 sunar.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Website_Firewall_ve_IPSI_Bir_Arada_Kullanmanin_Avantajlari\"><\/span>Website Firewall ve IPS&#8217;\u0130 Bir Arada Kullanman\u0131n Avantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Website Firewall<\/strong> (WAF) ve Intrusion Prevention System (IPS) ayr\u0131 ayr\u0131 g\u00fc\u00e7l\u00fc g\u00fcvenlik ara\u00e7lar\u0131 olsalar da, birlikte kullan\u0131ld\u0131klar\u0131nda web uygulamalar\u0131 ve sunucular i\u00e7in \u00e7ok daha kapsaml\u0131 bir koruma sa\u011flarlar. Bu iki sistemin entegrasyonu, g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 kapatmada ve sald\u0131r\u0131lar\u0131 \u00f6nlemede sinerjik bir etki yarat\u0131r. Her birinin zay\u0131f y\u00f6nlerini di\u011ferinin g\u00fc\u00e7l\u00fc y\u00f6nleriyle telafi ederek, \u00e7ok katmanl\u0131 bir g\u00fcvenlik yakla\u015f\u0131m\u0131 sunarlar.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th><strong>Website Firewall<\/strong> (WAF)<\/th>\n<th>Intrusion Prevention System (IPS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00c7al\u0131\u015fma Katman\u0131<\/td>\n<td>Uygulama Katman\u0131 (Katman 7)<\/td>\n<td>A\u011f Katman\u0131 (Katman 3-4)<\/td>\n<\/tr>\n<tr>\n<td>Odak Noktas\u0131<\/td>\n<td>Web Uygulamalar\u0131na Y\u00f6nelik Sald\u0131r\u0131lar<\/td>\n<td>A\u011f Tabanl\u0131 Sald\u0131r\u0131lar ve \u0130stismarlar<\/td>\n<\/tr>\n<tr>\n<td>Koruma Alanlar\u0131<\/td>\n<td>SQL Injection, XSS, CSRF gibi uygulama katman\u0131 sald\u0131r\u0131lar\u0131<\/td>\n<td>DDOS, Buffer Overflow, Port Tarama gibi a\u011f sald\u0131r\u0131lar\u0131<\/td>\n<\/tr>\n<tr>\n<td>Avantajlar\u0131<\/td>\n<td>Uygulama seviyesinde detayl\u0131 inceleme, \u00f6zelle\u015ftirilebilir kurallar<\/td>\n<td>A\u011f trafi\u011fini ger\u00e7ek zamanl\u0131 analiz, otomatik tehdit engelleme<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>WAF, web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 engellemede uzmanla\u015fm\u0131\u015ft\u0131r. SQL injection, cross-site scripting (XSS) ve di\u011fer uygulama katman\u0131 sald\u0131r\u0131lar\u0131 gibi tehditlere kar\u015f\u0131 derinlemesine koruma sa\u011flar. IPS ise a\u011f trafi\u011fini izleyerek, k\u00f6t\u00fc ama\u00e7l\u0131 aktiviteleri ve potansiyel g\u00fcvenlik ihlallerini tespit eder. \u0130ki sistem birlikte \u00e7al\u0131\u015ft\u0131\u011f\u0131nda, birinin g\u00f6zden ka\u00e7\u0131rd\u0131\u011f\u0131 bir sald\u0131r\u0131y\u0131 di\u011feri yakalayabilir.<\/p>\n<ul> <strong>Avantaj Listesi<\/strong> <\/p>\n<li>Daha kapsaml\u0131 g\u00fcvenlik: Hem uygulama hem de a\u011f katman\u0131nda koruma sa\u011flar.<\/li>\n<li>Geli\u015fmi\u015f tehdit alg\u0131lama: Farkl\u0131 sald\u0131r\u0131 vekt\u00f6rlerine kar\u015f\u0131 daha etkili koruma sunar.<\/li>\n<li>Azalt\u0131lm\u0131\u015f yanl\u0131\u015f pozitifler: \u0130ki sistemin birlikte \u00e7al\u0131\u015fmas\u0131, yanl\u0131\u015f alarm olas\u0131l\u0131\u011f\u0131n\u0131 azalt\u0131r.<\/li>\n<li>Merkezi y\u00f6netim: G\u00fcvenlik politikalar\u0131n\u0131 tek bir noktadan y\u00f6netme kolayl\u0131\u011f\u0131 sa\u011flar.<\/li>\n<li>Uyumluluk gereksinimleri: PCI DSS, HIPAA gibi uyumluluk standartlar\u0131n\u0131 kar\u015f\u0131lama konusunda yard\u0131mc\u0131 olur.<\/li>\n<\/ul>\n<p>\u00d6rne\u011fin, bir <strong>Website Firewall<\/strong> bir SQL injection sald\u0131r\u0131s\u0131n\u0131 tespit edip engellerken, IPS ayn\u0131 anda bir DDoS sald\u0131r\u0131s\u0131n\u0131 engelleyebilir. Bu kombinasyon, web sitenizin ve uygulamalar\u0131n\u0131z\u0131n s\u00fcrekli olarak korunmas\u0131n\u0131 sa\u011flar. Ayr\u0131ca, iki sistemin entegrasyonu, g\u00fcvenlik olaylar\u0131na daha h\u0131zl\u0131 ve etkili bir \u015fekilde yan\u0131t verme yetene\u011fi sunar. G\u00fcvenlik ekipleri, tehditleri daha iyi analiz edebilir ve gerekli \u00f6nlemleri daha h\u0131zl\u0131 bir \u015fekilde alabilir.<\/p>\n<p><strong>Website Firewall<\/strong> ve IPS&#8217;in birlikte kullan\u0131lmas\u0131, modern web g\u00fcvenli\u011fi i\u00e7in en iyi uygulamalardan biridir. Bu entegre yakla\u015f\u0131m, kurulu\u015flar\u0131n web varl\u0131klar\u0131n\u0131 daha iyi korumalar\u0131na ve potansiyel veri ihlallerinin \u00f6n\u00fcne ge\u00e7melerine yard\u0131mc\u0131 olur. Her iki sistemin de g\u00fc\u00e7l\u00fc y\u00f6nlerinden yararlanarak, siber tehditlere kar\u015f\u0131 daha diren\u00e7li bir duruma gelirsiniz.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sonuc_ve_Baslica_Alinacak_Dersler\"><\/span>Sonu\u00e7 ve Ba\u015fl\u0131ca Al\u0131nacak Dersler<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bu makalede, <strong>Website Firewall<\/strong> (WAF) ve Intrusion Prevention System (IPS) aras\u0131ndaki temel farklar\u0131, avantajlar\u0131, dezavantajlar\u0131 ve kullan\u0131m senaryolar\u0131n\u0131 detayl\u0131 bir \u015fekilde inceledik. Her iki g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fcn\u00fcn de siber g\u00fcvenlik stratejilerinde \u00f6nemli rolleri oldu\u011funu ve birbirlerini tamamlayabildiklerini g\u00f6rd\u00fck. \u00d6nemli olan, i\u015fletmenizin ihtiya\u00e7lar\u0131na ve risk de\u011ferlendirmesine uygun olan \u00e7\u00f6z\u00fcm\u00fc veya \u00e7\u00f6z\u00fcmleri belirlemektir.<\/p>\n<p>WAF&#8217;lar, web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 engellemek i\u00e7in tasarlanm\u0131\u015ft\u0131r ve \u00f6zellikle SQL injection, cross-site scripting (XSS) gibi yayg\u0131n tehditlere kar\u015f\u0131 etkilidirler. IPS&#8217;ler ise a\u011f trafi\u011fini analiz ederek k\u00f6t\u00fc ama\u00e7l\u0131 aktiviteleri tespit eder ve engeller, b\u00f6ylece daha geni\u015f bir yelpazede koruma sa\u011flarlar. A\u015fa\u011f\u0131daki tablo, bu iki sistem aras\u0131ndaki temel farklar\u0131 daha net bir \u015fekilde \u00f6zetlemektedir:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Website Firewall (WAF)<\/th>\n<th>Intrusion Prevention System (IPS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odak Noktas\u0131<\/td>\n<td>Web uygulamalar\u0131<\/td>\n<td>A\u011f trafi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Koruma Alan\u0131<\/td>\n<td>HTTP\/HTTPS trafi\u011fi<\/td>\n<td>Geni\u015f a\u011f trafi\u011fi<\/td>\n<\/tr>\n<tr>\n<td>Temel Tehditler<\/td>\n<td>SQL injection, XSS, CSRF<\/td>\n<td>K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar, DDoS, a\u011f taramalar\u0131<\/td>\n<\/tr>\n<tr>\n<td>Uygulama Katman\u0131<\/td>\n<td>7. Katman (Uygulama)<\/td>\n<td>3-7. Katmanlar (A\u011f, Ta\u015f\u0131ma, Oturum, Sunum, Uygulama)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Unutulmamas\u0131 gereken bir di\u011fer \u00f6nemli nokta ise, g\u00fcvenlik \u00e7\u00f6z\u00fcmlerinin s\u00fcrekli olarak g\u00fcncellenmesi ve yap\u0131land\u0131r\u0131lmas\u0131 gerekti\u011fidir. Siber tehditler s\u00fcrekli evrim ge\u00e7irdi\u011fi i\u00e7in, g\u00fcvenlik \u00f6nlemlerinin de bu de\u011fi\u015fimlere ayak uydurmas\u0131 gerekmektedir. Bu nedenle, d\u00fczenli g\u00fcvenlik taramalar\u0131 yapmak, g\u00fcvenlik yaz\u0131l\u0131mlar\u0131n\u0131 g\u00fcncel tutmak ve g\u00fcvenlik politikalar\u0131n\u0131 periyodik olarak g\u00f6zden ge\u00e7irmek hayati \u00f6nem ta\u015f\u0131r.<\/p>\n<p>Hem WAF hem de IPS \u00e7\u00f6z\u00fcmlerinin ba\u015far\u0131l\u0131 bir \u015fekilde uygulanmas\u0131 i\u00e7in, <strong>do\u011fru yap\u0131land\u0131rma ve s\u00fcrekli izleme<\/strong> gereklidir. Bu sistemlerin etkinli\u011fi, do\u011fru kurallar ve politikalarla belirlenir. \u0130\u015fte eyleme ge\u00e7me ad\u0131mlar\u0131:<\/p>\n<ul>\n<li><strong>\u0130htiya\u00e7 Analizi Yap\u0131n:<\/strong> \u0130\u015fletmenizin web uygulamalar\u0131n\u0131n ve a\u011f altyap\u0131s\u0131n\u0131n g\u00fcvenlik ihtiya\u00e7lar\u0131n\u0131 belirleyin.<\/li>\n<li><strong>Risk De\u011ferlendirmesi Ger\u00e7ekle\u015ftirin:<\/strong> Hangi tehditlere kar\u015f\u0131 korunman\u0131z gerekti\u011fini ve olas\u0131 etkilerini analiz edin.<\/li>\n<li><strong>Do\u011fru \u00c7\u00f6z\u00fcm\u00fc Se\u00e7in:<\/strong> \u0130htiya\u00e7lar\u0131n\u0131za ve risklerinize en uygun WAF veya IPS \u00e7\u00f6z\u00fcm\u00fcn\u00fc (veya her ikisini) se\u00e7in.<\/li>\n<li><strong>Do\u011fru Yap\u0131land\u0131r\u0131n:<\/strong> Se\u00e7ti\u011finiz g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fcn\u00fc do\u011fru kurallar ve politikalarla yap\u0131land\u0131r\u0131n.<\/li>\n<li><strong>S\u00fcrekli \u0130zleyin ve G\u00fcncelleyin:<\/strong> G\u00fcvenlik sistemlerinizi s\u00fcrekli olarak izleyin, g\u00fcncel tehditlere kar\u015f\u0131 g\u00fcncel tutun ve yap\u0131land\u0131rman\u0131z\u0131 gerekti\u011finde ayarlay\u0131n.<\/li>\n<\/ul>\n<p>Hem <strong>Website Firewall<\/strong> hem de IPS, modern siber g\u00fcvenlik stratejilerinin vazge\u00e7ilmez bir par\u00e7as\u0131d\u0131r. Do\u011fru uyguland\u0131\u011f\u0131nda, web uygulamalar\u0131n\u0131z\u0131 ve a\u011f altyap\u0131n\u0131z\u0131 \u00e7e\u015fitli tehditlere kar\u015f\u0131 koruyabilir ve i\u015fletmenizin itibar\u0131n\u0131 ve verilerini g\u00fcvende tutabilirsiniz.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Website_Firewall_ve_IPS_Secerken_Dikkat_Edilmesi_Gerekenler\"><\/span>Website Firewall ve IPS Se\u00e7erken Dikkat Edilmesi Gerekenler<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Website Firewall<\/strong> (WAF) ve Intrusion Prevention System (IPS) se\u00e7imi, web sitenizin ve uygulamalar\u0131n\u0131z\u0131n g\u00fcvenli\u011fi i\u00e7in kritik bir karard\u0131r. \u0130htiya\u00e7lar\u0131n\u0131za en uygun \u00e7\u00f6z\u00fcm\u00fc bulmak i\u00e7in dikkatli bir de\u011ferlendirme yapman\u0131z \u00f6nemlidir. Bu s\u00fcre\u00e7te, i\u015f gereksinimleriniz, b\u00fct\u00e7eniz ve teknik uzmanl\u0131\u011f\u0131n\u0131z gibi fakt\u00f6rleri g\u00f6z \u00f6n\u00fcnde bulundurmal\u0131s\u0131n\u0131z. Yanl\u0131\u015f bir se\u00e7im, g\u00fcvenlik a\u00e7\u0131klar\u0131na ve potansiyel veri kay\u0131plar\u0131na yol a\u00e7abilir.<\/p>\n<table>\n<thead>\n<tr>\n<th>Kriter<\/th>\n<th>Website Firewall (WAF)<\/th>\n<th>Intrusion Prevention System (IPS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odak Noktas\u0131<\/td>\n<td>Web uygulama katman\u0131 (HTTP\/HTTPS trafi\u011fi)<\/td>\n<td>A\u011f katman\u0131 (t\u00fcm trafik)<\/td>\n<\/tr>\n<tr>\n<td>Koruma T\u00fcr\u00fc<\/td>\n<td>SQL injection, XSS, CSRF gibi web uygulama sald\u0131r\u0131lar\u0131<\/td>\n<td>A\u011f tabanl\u0131 sald\u0131r\u0131lar, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar, DoS\/DDoS<\/td>\n<\/tr>\n<tr>\n<td>Uygulama<\/td>\n<td>Web sunucusu \u00f6n\u00fcne veya bulut tabanl\u0131<\/td>\n<td>A\u011f ge\u00e7idi veya a\u011f segmenti<\/td>\n<\/tr>\n<tr>\n<td>Karma\u015f\u0131kl\u0131k<\/td>\n<td>Web uygulamalar\u0131na \u00f6zg\u00fc kurallar ve yap\u0131land\u0131rmalar<\/td>\n<td>A\u011f protokolleri ve trafik analizi bilgisi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Do\u011fru se\u00e7imi yapabilmek i\u00e7in \u00f6ncelikle web sitenizin veya uygulaman\u0131z\u0131n <strong>hangi t\u00fcr sald\u0131r\u0131lara kar\u015f\u0131 daha savunmas\u0131z oldu\u011funu<\/strong> belirlemelisiniz. E\u011fer web uygulamas\u0131 katman\u0131nda s\u0131k\u0131nt\u0131lar ya\u015f\u0131yorsan\u0131z, bir <strong>Website Firewall<\/strong> daha uygun olabilir. Ancak, a\u011f d\u00fczeyinde genel bir koruma ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara kar\u015f\u0131 savunma ar\u0131yorsan\u0131z, IPS daha iyi bir se\u00e7enek sunabilir. \u0130deal senaryo, her iki sistemi de birlikte kullanarak kapsaml\u0131 bir g\u00fcvenlik sa\u011flamakt\u0131r.<\/p>\n<ol> <strong>Se\u00e7im Yapma Ad\u0131mlar\u0131<\/strong> <\/p>\n<li><strong>\u0130htiya\u00e7 Analizi:<\/strong> Web sitenizin ve uygulaman\u0131z\u0131n zay\u0131f noktalar\u0131n\u0131 belirleyin.<\/li>\n<li><strong>Tehdit Modellemesi:<\/strong> Hangi t\u00fcr sald\u0131r\u0131lara maruz kalabilece\u011finizi de\u011ferlendirin.<\/li>\n<li><strong>B\u00fct\u00e7e Belirleme:<\/strong> G\u00fcvenlik \u00e7\u00f6z\u00fcmlerine ay\u0131rabilece\u011finiz maksimum b\u00fct\u00e7eyi belirleyin.<\/li>\n<li><strong>\u00c7\u00f6z\u00fcm Ara\u015ft\u0131rmas\u0131:<\/strong> Farkl\u0131 WAF ve IPS \u00e7\u00f6z\u00fcmlerini kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/li>\n<li><strong>Demo ve Deneme:<\/strong> M\u00fcmk\u00fcnse, \u00e7\u00f6z\u00fcmleri canl\u0131 ortamda test edin.<\/li>\n<li><strong>Uzman G\u00f6r\u00fc\u015f\u00fc:<\/strong> G\u00fcvenlik uzmanlar\u0131ndan tavsiye al\u0131n.<\/li>\n<\/ol>\n<p><strong>kullan\u0131c\u0131 dostu bir aray\u00fcz<\/strong> ve <strong>etkili raporlama \u00f6zellikleri<\/strong> olan bir \u00e7\u00f6z\u00fcm se\u00e7mek, g\u00fcvenlik y\u00f6netimini kolayla\u015ft\u0131racakt\u0131r. Unutmay\u0131n ki, g\u00fcvenlik s\u00fcrekli bir s\u00fcre\u00e7tir ve se\u00e7ti\u011finiz \u00e7\u00f6z\u00fcm\u00fcn d\u00fczenli olarak g\u00fcncellenmesi ve optimize edilmesi gerekmektedir. Ayr\u0131ca, g\u00fcvenlik ihlalleri durumunda h\u0131zl\u0131 m\u00fcdahale edebilecek bir destek ekibine sahip olmak da \u00f6nemlidir.<\/p>\n<p> \u201cG\u00fcvenlik, tek bir \u00fcr\u00fcnle elde edilemez; s\u00fcre\u00e7, politika ve teknolojinin birle\u015fimidir.\u201d &#8211; Bruce Schneier<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sik_Sorulan_Sorular\"><\/span>S\u0131k Sorulan Sorular<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Web uygulamalar\u0131n\u0131 hedef alan sald\u0131r\u0131lardan korunmak i\u00e7in temel olarak hangi g\u00fcvenlik katmanlar\u0131 kullan\u0131lmaktad\u0131r?<\/strong><\/p>\n<p>Web uygulamalar\u0131n\u0131 korumak i\u00e7in genellikle Website Firewall&#039;lar (WAF) ve Intrusion Prevention System&#039;ler (IPS) gibi g\u00fcvenlik katmanlar\u0131 kullan\u0131l\u0131r. WAF&#039;lar web trafi\u011fini filtreleyerek uygulama katman\u0131ndaki sald\u0131r\u0131lar\u0131 engellerken, IPS&#039;ler a\u011f trafi\u011fini izleyerek k\u00f6t\u00fc niyetli aktiviteleri tespit edip engellemeye \u00e7al\u0131\u015f\u0131r.<\/p>\n<p><strong>WAF ve IPS sistemlerinin \u00e7al\u0131\u015fma prensipleri aras\u0131ndaki en belirgin fark nedir?<\/strong><\/p>\n<p>WAF&#039;lar genellikle web uygulamalar\u0131na \u00f6zg\u00fc HTTP\/HTTPS trafi\u011fini inceler ve uygulama katman\u0131ndaki zafiyetleri hedef alan sald\u0131r\u0131lar\u0131 engellemeye odaklan\u0131r. IPS&#039;ler ise a\u011f trafi\u011finin tamam\u0131n\u0131 analiz eder ve bilinen sald\u0131r\u0131 imzalar\u0131n\u0131, anormallikleri veya \u015f\u00fcpheli davran\u0131\u015flar\u0131 tespit ederek geni\u015f kapsaml\u0131 bir koruma sa\u011flar.<\/p>\n<p><strong>Bir web sitesi sahibi olarak, WAF kullanman\u0131n bana sa\u011flayaca\u011f\u0131 somut faydalar nelerdir?<\/strong><\/p>\n<p>WAF kullanarak SQL injection, cross-site scripting (XSS) gibi yayg\u0131n web uygulama sald\u0131r\u0131lar\u0131na kar\u015f\u0131 korunabilirsiniz. Ayr\u0131ca, bot sald\u0131r\u0131lar\u0131n\u0131 engelleyerek kaynak t\u00fcketimini azaltabilir, hassas verilerin s\u0131zd\u0131r\u0131lmas\u0131n\u0131 \u00f6nleyebilir ve web sitenizin g\u00fcvenli\u011fini ve performans\u0131n\u0131 art\u0131rabilirsiniz.<\/p>\n<p><strong>IPS sistemleri sadece a\u011f d\u00fczeyindeki tehditlere mi kar\u015f\u0131 etkilidir, yoksa web uygulamalar\u0131na y\u00f6nelik koruma da sa\u011flayabilir mi?<\/strong><\/p>\n<p>IPS sistemleri \u00f6ncelikle a\u011f d\u00fczeyindeki tehditlere kar\u015f\u0131 etkilidir, ancak baz\u0131 IPS \u00e7\u00f6z\u00fcmleri web uygulamalar\u0131na y\u00f6nelik temel d\u00fczeyde koruma sa\u011flayabilir. Ancak, WAF&#039;lar web uygulamalar\u0131na \u00f6zg\u00fc sald\u0131r\u0131lar\u0131 daha derinlemesine analiz edip engelleyebildi\u011finden, web uygulamalar\u0131 i\u00e7in daha kapsaml\u0131 bir g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fc sunar.<\/p>\n<p><strong>Hangi durumlarda bir web sitesi i\u00e7in \u00f6ncelikle bir WAF \u00e7\u00f6z\u00fcm\u00fcn\u00fc d\u00fc\u015f\u00fcnmeliyim?<\/strong><\/p>\n<p>E\u011fer web sitenizde kullan\u0131c\u0131 giri\u015fi, formlar veya veritaban\u0131 etkile\u015fimi gibi dinamik i\u00e7erikler bulunuyorsa ve SQL injection, XSS gibi web uygulama sald\u0131r\u0131lar\u0131na kar\u015f\u0131 hassassan\u0131z, \u00f6ncelikle bir WAF \u00e7\u00f6z\u00fcm\u00fcn\u00fc d\u00fc\u015f\u00fcnmelisiniz. WAF, bu t\u00fcr sald\u0131r\u0131lar\u0131 engellemek i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015ft\u0131r.<\/p>\n<p><strong>IPS&#039;nin web siteleri i\u00e7in en \u00f6nemli kullan\u0131m senaryolar\u0131ndan biri nedir?<\/strong><\/p>\n<p>IPS&#039;nin web siteleri i\u00e7in \u00f6nemli kullan\u0131m senaryolar\u0131ndan biri, DDoS (Da\u011f\u0131t\u0131k Hizmet Reddi) sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma sa\u011flamakt\u0131r. IPS, anormal trafik ak\u0131\u015flar\u0131n\u0131 tespit ederek ve \u015f\u00fcpheli kaynaklardan gelen trafi\u011fi engelleyerek web sitenizin eri\u015filebilirli\u011fini koruyabilir.<\/p>\n<p><strong>WAF ve IPS&#039;i ayn\u0131 anda kullanmak neden daha iyi bir g\u00fcvenlik stratejisi olabilir?<\/strong><\/p>\n<p>WAF ve IPS&#039;i birlikte kullanmak, katmanl\u0131 bir g\u00fcvenlik yakla\u015f\u0131m\u0131 sa\u011flayarak daha kapsaml\u0131 bir koruma sunar. IPS, a\u011f d\u00fczeyindeki tehditleri engellerken, WAF web uygulama katman\u0131ndaki sald\u0131r\u0131lar\u0131 engeller. Bu kombinasyon, potansiyel sald\u0131r\u0131lar\u0131n farkl\u0131 a\u015famalarda tespit edilmesini ve engellenmesini sa\u011flayarak riski azalt\u0131r.<\/p>\n<p><strong>Bir WAF veya IPS \u00e7\u00f6z\u00fcm\u00fc se\u00e7erken nelere dikkat etmeliyim? Performans ve uyumluluk gibi fakt\u00f6rler ne kadar \u00f6nemli?<\/strong><\/p>\n<p>WAF veya IPS se\u00e7erken, \u00e7\u00f6z\u00fcm\u00fcn web sitenizin trafi\u011fini ve karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 kald\u0131rabilecek performansa sahip oldu\u011fundan emin olun. Ayr\u0131ca, mevcut altyap\u0131n\u0131zla uyumlu olmas\u0131, kolay y\u00f6netilebilir olmas\u0131 ve g\u00fcncel tehditlere kar\u015f\u0131 d\u00fczenli olarak g\u00fcncellenmesi \u00f6nemlidir. Performans ve uyumluluk, g\u00fcvenlik etkinli\u011fi kadar \u00f6nemlidir.<\/p>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Web uygulamalaru0131nu0131 hedef alan saldu0131ru0131lardan korunmak iu00e7in temel olarak hangi gu00fcvenlik katmanlaru0131 kullanu0131lmaktadu0131r?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Web uygulamalaru0131nu0131 korumak iu00e7in genellikle Website Firewall'lar (WAF) ve Intrusion Prevention System'ler (IPS) gibi gu00fcvenlik katmanlaru0131 kullanu0131lu0131r. WAF'lar web trafiu011fini filtreleyerek uygulama katmanu0131ndaki saldu0131ru0131laru0131 engellerken, IPS'ler au011f trafiu011fini izleyerek ku00f6tu00fc niyetli aktiviteleri tespit edip engellemeye u00e7alu0131u015fu0131r.\"}},{\"@type\":\"Question\",\"name\":\"WAF ve IPS sistemlerinin u00e7alu0131u015fma prensipleri arasu0131ndaki en belirgin fark nedir?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"WAF'lar genellikle web uygulamalaru0131na u00f6zgu00fc HTTP\/HTTPS trafiu011fini inceler ve uygulama katmanu0131ndaki zafiyetleri hedef alan saldu0131ru0131laru0131 engellemeye odaklanu0131r. IPS'ler ise au011f trafiu011finin tamamu0131nu0131 analiz eder ve bilinen saldu0131ru0131 imzalaru0131nu0131, anormallikleri veya u015fu00fcpheli davranu0131u015flaru0131 tespit ederek geniu015f kapsamlu0131 bir koruma sau011flar.\"}},{\"@type\":\"Question\",\"name\":\"Bir web sitesi sahibi olarak, WAF kullanmanu0131n bana sau011flayacau011fu0131 somut faydalar nelerdir?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"WAF kullanarak SQL injection, cross-site scripting (XSS) gibi yaygu0131n web uygulama saldu0131ru0131laru0131na karu015fu0131 korunabilirsiniz. Ayru0131ca, bot saldu0131ru0131laru0131nu0131 engelleyerek kaynak tu00fcketimini azaltabilir, hassas verilerin su0131zdu0131ru0131lmasu0131nu0131 u00f6nleyebilir ve web sitenizin gu00fcvenliu011fini ve performansu0131nu0131 artu0131rabilirsiniz.\"}},{\"@type\":\"Question\",\"name\":\"IPS sistemleri sadece au011f du00fczeyindeki tehditlere mi karu015fu0131 etkilidir, yoksa web uygulamalaru0131na yu00f6nelik koruma da sau011flayabilir mi?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"IPS sistemleri u00f6ncelikle au011f du00fczeyindeki tehditlere karu015fu0131 etkilidir, ancak bazu0131 IPS u00e7u00f6zu00fcmleri web uygulamalaru0131na yu00f6nelik temel du00fczeyde koruma sau011flayabilir. Ancak, WAF'lar web uygulamalaru0131na u00f6zgu00fc saldu0131ru0131laru0131 daha derinlemesine analiz edip engelleyebildiu011finden, web uygulamalaru0131 iu00e7in daha kapsamlu0131 bir gu00fcvenlik u00e7u00f6zu00fcmu00fc sunar.\"}},{\"@type\":\"Question\",\"name\":\"Hangi durumlarda bir web sitesi iu00e7in u00f6ncelikle bir WAF u00e7u00f6zu00fcmu00fcnu00fc du00fcu015fu00fcnmeliyim?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Eu011fer web sitenizde kullanu0131cu0131 giriu015fi, formlar veya veritabanu0131 etkileu015fimi gibi dinamik iu00e7erikler bulunuyorsa ve SQL injection, XSS gibi web uygulama saldu0131ru0131laru0131na karu015fu0131 hassassanu0131z, u00f6ncelikle bir WAF u00e7u00f6zu00fcmu00fcnu00fc du00fcu015fu00fcnmelisiniz. WAF, bu tu00fcr saldu0131ru0131laru0131 engellemek iu00e7in u00f6zel olarak tasarlanmu0131u015ftu0131r.\"}},{\"@type\":\"Question\",\"name\":\"IPS'nin web siteleri iu00e7in en u00f6nemli kullanu0131m senaryolaru0131ndan biri nedir?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"IPS'nin web siteleri iu00e7in u00f6nemli kullanu0131m senaryolaru0131ndan biri, DDoS (Dau011fu0131tu0131k Hizmet Reddi) saldu0131ru0131laru0131na karu015fu0131 koruma sau011flamaktu0131r. IPS, anormal trafik aku0131u015flaru0131nu0131 tespit ederek ve u015fu00fcpheli kaynaklardan gelen trafiu011fi engelleyerek web sitenizin eriu015filebilirliu011fini koruyabilir.\"}},{\"@type\":\"Question\",\"name\":\"WAF ve IPS'i aynu0131 anda kullanmak neden daha iyi bir gu00fcvenlik stratejisi olabilir?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"WAF ve IPS'i birlikte kullanmak, katmanlu0131 bir gu00fcvenlik yaklau015fu0131mu0131 sau011flayarak daha kapsamlu0131 bir koruma sunar. IPS, au011f du00fczeyindeki tehditleri engellerken, WAF web uygulama katmanu0131ndaki saldu0131ru0131laru0131 engeller. Bu kombinasyon, potansiyel saldu0131ru0131laru0131n farklu0131 au015famalarda tespit edilmesini ve engellenmesini sau011flayarak riski azaltu0131r.\"}},{\"@type\":\"Question\",\"name\":\"Bir WAF veya IPS u00e7u00f6zu00fcmu00fc seu00e7erken nelere dikkat etmeliyim? Performans ve uyumluluk gibi faktu00f6rler ne kadar u00f6nemli?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"WAF veya IPS seu00e7erken, u00e7u00f6zu00fcmu00fcn web sitenizin trafiu011fini ve karmau015fu0131klu0131u011fu0131nu0131 kaldu0131rabilecek performansa sahip olduu011fundan emin olun. Ayru0131ca, mevcut altyapu0131nu0131zla uyumlu olmasu0131, kolay yu00f6netilebilir olmasu0131 ve gu00fcncel tehditlere karu015fu0131 du00fczenli olarak gu00fcncellenmesi u00f6nemlidir. Performans ve uyumluluk, gu00fcvenlik etkinliu011fi kadar u00f6nemlidir.\"}}]}<\/script><\/p>\n<p>Daha fazla bilgi: <a href=\"https:\/\/owasp.org\/www-project-top-ten\/\" target=\"_blank\" rel=\"noopener noreferrer\">OWASP Top Ten<\/a><\/p>\n<p>Daha fazla bilgi: Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF) hakk\u0131nda daha fazla bilgi edinin<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bu blog yaz\u0131s\u0131, web g\u00fcvenli\u011finin iki \u00f6nemli bile\u015feni olan Website Firewall (WAF) ve Intrusion Prevention System (IPS) aras\u0131ndaki farklar\u0131 inceliyor. \u00d6ncelikle her iki teknolojinin temel tan\u0131mlar\u0131 ve \u00e7al\u0131\u015fma prensipleri a\u00e7\u0131klan\u0131yor. Ard\u0131ndan, WAF&#8217;\u0131n \u00f6zellikle web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 engellemedeki ba\u015far\u0131s\u0131 ve IPS&#8217;in a\u011f seviyesindeki tehditlere kar\u015f\u0131 koruma sa\u011flama yetene\u011fi vurgulan\u0131yor. Yaz\u0131da, WAF&#8217;\u0131n sundu\u011fu faydalar, IPS&#8217;in avantaj ve dezavantajlar\u0131, hangi durumlarda Website Firewall&#8217;\u0131n tercih edilmesi gerekti\u011fi ve IPS kullan\u0131m senaryolar\u0131 detayland\u0131r\u0131l\u0131yor. Son olarak, her iki sistemi bir arada kullanman\u0131n potansiyel avantajlar\u0131 ve se\u00e7im yaparken dikkat edilmesi gereken hususlar de\u011ferlendiriliyor, kapsaml\u0131 bir bak\u0131\u015f a\u00e7\u0131s\u0131 sunuluyor. Website Firewall Nedir? Temel Bilgiler Website Firewall (WAF), web uygulamalar\u0131 ile internet aras\u0131ndaki trafi\u011fi inceleyen ve k\u00f6t\u00fc ama\u00e7l\u0131 [&hellip;]<\/p>\n","protected":false},"author":94,"featured_media":21183,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAow5YvFDA:productID":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-10785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"_links":{"self":[{"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/posts\/10785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/users\/94"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/comments?post=10785"}],"version-history":[{"count":0,"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/posts\/10785\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/media\/21183"}],"wp:attachment":[{"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/media?parent=10785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/categories?post=10785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostragons.com\/ja\/wp-json\/wp\/v2\/tags?post=10785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}