{"id":1990,"date":"2026-07-13T10:39:37","date_gmt":"2026-07-13T07:39:37","guid":{"rendered":"https:\/\/www.domainsorgulama.com\/blog\/?p=1990"},"modified":"2026-07-13T10:39:37","modified_gmt":"2026-07-13T07:39:37","slug":"firewall-nedir-neden-onemlidir","status":"publish","type":"post","link":"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/","title":{"rendered":"Firewall Nedir? Web Siteleri \u0130\u00e7in Neden \u00d6nemlidir?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u0130nternet \u00fczerinde yay\u0131nlanan her web sitesi, farkl\u0131 g\u00fcvenlik riskleriyle kar\u015f\u0131 kar\u015f\u0131yad\u0131r. Zararl\u0131 trafikler, bot sald\u0131r\u0131lar\u0131, yetkisiz eri\u015fim denemeleri, DDoS sald\u0131r\u0131lar\u0131, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar ve veri s\u0131z\u0131nt\u0131s\u0131 giri\u015fimleri web sitelerinin performans\u0131n\u0131, g\u00fcvenli\u011fini ve kullan\u0131c\u0131 g\u00fcvenini do\u011frudan etkileyebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu nedenle web sitesi g\u00fcvenli\u011fi yaln\u0131zca<a href=\"https:\/\/www.turkticaret.net\/ssl\" target=\"_blank\" rel=\"noopener\"> SSL sertifikas\u0131<\/a> kullanmakla s\u0131n\u0131rl\u0131 de\u011fildir. Sunucu, uygulama, a\u011f trafi\u011fi ve kullan\u0131c\u0131 istekleri de d\u00fczenli olarak korunmal\u0131d\u0131r. Bu noktada <\/span><b>firewall<\/b><span style=\"font-weight: 400;\">, yani <\/span><b>g\u00fcvenlik duvar\u0131<\/b><span style=\"font-weight: 400;\">, web siteleri i\u00e7in en temel g\u00fcvenlik katmanlar\u0131ndan biri olarak \u00f6ne \u00e7\u0131kar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Peki firewall nedir? Web siteleri i\u00e7in neden \u00f6nemlidir? Hangi sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flar ve do\u011fru firewall kullan\u0131m\u0131 SEO performans\u0131n\u0131 etkiler mi? Bu yaz\u0131da firewall kavram\u0131n\u0131, web siteleri i\u00e7in \u00f6nemini, t\u00fcrlerini ve dikkat edilmesi gereken noktalar\u0131 detayl\u0131 \u015fekilde ele al\u0131yoruz.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_78 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\">Table of Contents<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Nedir\" >Firewall Nedir?<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Nasil_Calisir\" >Firewall Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Web_Siteleri_Icin_Firewall_Neden_Onemlidir\" >Web Siteleri \u0130\u00e7in Firewall Neden \u00d6nemlidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Turleri_Nelerdir\" >Firewall T\u00fcrleri Nelerdir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#1_Network_Firewall\" >1. Network Firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#2_Web_Application_Firewall\" >2. Web Application Firewall<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#3_Cloud_Firewall\" >3. Cloud Firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#4_Host-Based_Firewall\" >4. Host-Based Firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#5_Donanimsal_Firewall\" >5. Donan\u0131msal Firewall<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Web_Application_Firewall_Nedir\" >Web Application Firewall Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Hangi_Saldirilara_Karsi_Koruma_Saglar\" >Firewall Hangi Sald\u0131r\u0131lara Kar\u015f\u0131 Koruma Sa\u011flar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#1_DDoS_Saldirilari\" >1. DDoS Sald\u0131r\u0131lar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#2_Brute_Force_Saldirilari\" >2. Brute Force Sald\u0131r\u0131lar\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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#3_SQL_Injection\" >3. SQL Injection<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#4_XSS_Saldirilari\" >4. XSS Sald\u0131r\u0131lar\u0131<\/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.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#5_Zararli_Bot_Trafigi\" >5. Zararl\u0131 Bot Trafi\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#6_Yetkisiz_Erisim_Denemeleri\" >6. Yetkisiz Eri\u015fim Denemeleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_SEO_Icin_Neden_Onemlidir\" >Firewall SEO \u0130\u00e7in Neden \u00d6nemlidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#WordPress_Siteleri_Icin_Firewall_Kullanimi\" >WordPress Siteleri \u0130\u00e7in Firewall Kullan\u0131m\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#E-Ticaret_Siteleri_Icin_Firewall_Neden_Gereklidir\" >E-Ticaret Siteleri \u0130\u00e7in Firewall Neden Gereklidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Kullanirken_Nelere_Dikkat_Edilmeli\" >Firewall Kullan\u0131rken Nelere Dikkat Edilmeli?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Tek_Basina_Yeterli_mi\" >Firewall Tek Ba\u015f\u0131na Yeterli mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Secerken_Nelere_Dikkat_Edilmeli\" >Firewall Se\u00e7erken Nelere Dikkat Edilmeli?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Firewall_Kullaniminda_Sik_Yapilan_Hatalar\" >Firewall Kullan\u0131m\u0131nda S\u0131k Yap\u0131lan Hatalar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.domainsorgulama.com\/blog\/firewall-nedir-neden-onemlidir\/#Web_Sitesi_Icin_Firewall_Kontrol_Listesi\" >Web Sitesi \u0130\u00e7in Firewall Kontrol Listesi<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Nedir\"><\/span><b>Firewall Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall, T\u00fcrk\u00e7esiyle <\/span><b>g\u00fcvenlik duvar\u0131<\/b><span style=\"font-weight: 400;\">, bir sistem ile d\u0131\u015f d\u00fcnya aras\u0131ndaki a\u011f trafi\u011fini kontrol eden g\u00fcvenlik mekanizmas\u0131d\u0131r. Temel g\u00f6revi, gelen ve giden trafi\u011fi belirli kurallara g\u00f6re analiz etmek ve zararl\u0131 ya da \u015f\u00fcpheli g\u00f6r\u00fclen trafi\u011fi engellemektir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Basit bir ifadeyle firewall, web sitenizin kap\u0131s\u0131nda duran g\u00fcvenlik g\u00f6revlisi gibi d\u00fc\u015f\u00fcn\u00fclebilir. Her gelen iste\u011fi kontrol eder, g\u00fcvenli g\u00f6r\u00fcnenleri i\u00e7eri al\u0131r, riskli olanlar\u0131 ise engeller.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir firewall \u015fu kontrolleri yapabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hangi IP adreslerinin siteye eri\u015febilece\u011fini belirlemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u015e\u00fcpheli trafik kaynaklar\u0131n\u0131 engellemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Belirli \u00fclke veya b\u00f6lgelerden gelen trafi\u011fi s\u0131n\u0131rlamak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 istekleri filtrelemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bot ve spam trafi\u011fini azaltmak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS sald\u0131r\u0131lar\u0131n\u0131 hafifletmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yetkisiz eri\u015fim denemelerini durdurmak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Web uygulamas\u0131 a\u00e7\u0131klar\u0131n\u0131 hedefleyen istekleri engellemek<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Nasil_Calisir\"><\/span><b>Firewall Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall, internetten gelen trafi\u011fi analiz eder ve \u00f6nceden belirlenmi\u015f g\u00fcvenlik kurallar\u0131na g\u00f6re karar verir. E\u011fer gelen istek g\u00fcvenli kabul edilirse web sitesine ula\u015fmas\u0131na izin verilir. E\u011fer istek riskli g\u00f6r\u00fcn\u00fcyorsa engellenir veya daha detayl\u0131 kontrol edilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall\u2019un \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 \u015fu ad\u0131mlarla \u00f6zetlenebilir:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 veya bot web sitesine eri\u015fmek ister.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130stek firewall taraf\u0131ndan kontrol edilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">IP adresi, istek t\u00fcr\u00fc, davran\u0131\u015f paterni ve hedeflenen URL analiz edilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenlik kurallar\u0131yla kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenli istek siteye y\u00f6nlendirilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 veya \u015f\u00fcpheli istek engellenir.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin bir kullan\u0131c\u0131 ana sayfan\u0131z\u0131 ziyaret etti\u011finde bu normal bir trafik olarak de\u011ferlendirilir. Ancak ayn\u0131 IP adresi k\u0131sa s\u00fcrede y\u00fczlerce kez giri\u015f sayfas\u0131na istek g\u00f6nderiyorsa, firewall bunu sald\u0131r\u0131 veya brute force denemesi olarak alg\u0131lay\u0131p engelleyebilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Web_Siteleri_Icin_Firewall_Neden_Onemlidir\"><\/span><b>Web Siteleri \u0130\u00e7in Firewall Neden \u00d6nemlidir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall, web sitelerini yaln\u0131zca teknik sald\u0131r\u0131lara kar\u015f\u0131 korumaz; ayn\u0131 zamanda performans, eri\u015filebilirlik, kullan\u0131c\u0131 g\u00fcveni ve marka itibar\u0131 a\u00e7\u0131s\u0131ndan da \u00f6nemlidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bir web sitesi g\u00fcvenlik a\u00e7\u0131\u011f\u0131 ya\u015fad\u0131\u011f\u0131nda kullan\u0131c\u0131 verileri riske girebilir, site yay\u0131ndan d\u00fc\u015febilir, arama motorlar\u0131nda g\u00fcvenilmez olarak i\u015faretlenebilir veya marka ciddi itibar kayb\u0131 ya\u015fayabilir. Firewall, bu riskleri azaltmak i\u00e7in ilk savunma katmanlar\u0131ndan biridir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Web siteleri i\u00e7in firewall\u2019un \u00f6nemli olmas\u0131n\u0131n ba\u015fl\u0131ca nedenleri \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 trafi\u011fi engeller.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yetkisiz eri\u015fim denemelerini azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bot trafi\u011fini filtreler.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Web uygulamas\u0131 a\u00e7\u0131klar\u0131n\u0131 hedefleyen sald\u0131r\u0131lar\u0131 durdurabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sunucu kaynaklar\u0131n\u0131n gereksiz t\u00fcketilmesini \u00f6nler.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 verilerinin korunmas\u0131na katk\u0131 sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Web sitesinin kesintisiz \u00e7al\u0131\u015fmas\u0131na destek olur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SEO performans\u0131n\u0131 dolayl\u0131 olarak koruyabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Marka g\u00fcvenilirli\u011fini art\u0131r\u0131r.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Turleri_Nelerdir\"><\/span><b>Firewall T\u00fcrleri Nelerdir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall sistemleri farkl\u0131 ihtiya\u00e7lara g\u00f6re \u00e7e\u015fitli t\u00fcrlere ayr\u0131l\u0131r. Web siteleri i\u00e7in kullan\u0131lan firewall \u00e7\u00f6z\u00fcmleri genellikle a\u011f, sunucu ve uygulama katman\u0131nda \u00e7al\u0131\u015f\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_Network_Firewall\"><\/span><b>1. Network Firewall<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Network firewall, a\u011f seviyesinde \u00e7al\u0131\u015fan g\u00fcvenlik duvar\u0131d\u0131r. Sunucuya gelen ve sunucudan \u00e7\u0131kan trafi\u011fi kontrol eder. IP adresleri, portlar ve protokoller \u00fczerinden filtreleme yapabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin yaln\u0131zca belirli portlar\u0131n a\u00e7\u0131k kalmas\u0131n\u0131 sa\u011flayabilir, bilinmeyen veya \u015f\u00fcpheli ba\u011flant\u0131lar\u0131 engelleyebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Network firewall \u00f6zellikle sunucu altyap\u0131s\u0131 ve kurumsal a\u011f g\u00fcvenli\u011fi i\u00e7in \u00f6nemlidir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Web_Application_Firewall\"><\/span><b>2. Web Application Firewall<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Web Application Firewall, k\u0131saca <\/span><b>WAF<\/b><span style=\"font-weight: 400;\">, web uygulamalar\u0131n\u0131 hedef alan sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flayan firewall t\u00fcr\u00fcd\u00fcr. Web siteleri i\u00e7in en \u00f6nemli firewall \u00e7\u00f6z\u00fcmlerinden biridir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">WAF, HTTP ve HTTPS isteklerini analiz eder. SQL injection, XSS, k\u00f6t\u00fc ama\u00e7l\u0131 dosya y\u00fckleme, form manip\u00fclasyonu ve zararl\u0131 URL istekleri gibi web uygulamas\u0131 sald\u0131r\u0131lar\u0131n\u0131 engellemeye yard\u0131mc\u0131 olur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6zellikle WordPress, e-ticaret siteleri, \u00fcyelik sistemleri ve form alanlar\u0131 bulunan web siteleri i\u00e7in WAF kullan\u0131m\u0131 b\u00fcy\u00fck \u00f6nem ta\u015f\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Cloud_Firewall\"><\/span><b>3. Cloud Firewall<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Cloud firewall, bulut tabanl\u0131 \u00e7al\u0131\u015fan g\u00fcvenlik duvar\u0131d\u0131r. Trafik, web sitesine ula\u015fmadan \u00f6nce bulut g\u00fcvenlik katman\u0131ndan ge\u00e7irilir. Zararl\u0131 trafik daha sunucuya gelmeden filtrelenebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cloud firewall \u00e7\u00f6z\u00fcmleri \u00f6zellikle DDoS sald\u0131r\u0131lar\u0131na, bot trafi\u011fine ve ani trafik art\u0131\u015flar\u0131na kar\u015f\u0131 avantaj sa\u011flayabilir. Ayr\u0131ca kurulumu genellikle daha kolayd\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Host-Based_Firewall\"><\/span><b>4. Host-Based Firewall<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Host-based firewall, do\u011frudan sunucu veya cihaz \u00fczerinde \u00e7al\u0131\u015fan g\u00fcvenlik duvar\u0131d\u0131r. Sunucunun i\u015fletim sistemi seviyesinde gelen ve giden ba\u011flant\u0131lar\u0131 kontrol eder.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bu t\u00fcr firewall, sunucu g\u00fcvenli\u011fi i\u00e7in \u00f6nemlidir. Ancak web uygulamas\u0131 seviyesindeki sald\u0131r\u0131lar\u0131 tek ba\u015f\u0131na engellemekte yetersiz kalabilir. Bu nedenle WAF ile birlikte kullan\u0131lmas\u0131 daha g\u00fc\u00e7l\u00fc bir yap\u0131 olu\u015fturur.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Donanimsal_Firewall\"><\/span><b>5. Donan\u0131msal Firewall<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Donan\u0131msal firewall, fiziksel cihaz olarak \u00e7al\u0131\u015fan g\u00fcvenlik duvar\u0131d\u0131r. Genellikle veri merkezleri, b\u00fcy\u00fck \u015firketler ve kurumsal a\u011flarda kullan\u0131l\u0131r. Y\u00fcksek trafik hacmini y\u00f6netebilir ve a\u011f seviyesinde g\u00fc\u00e7l\u00fc koruma sa\u011flayabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">K\u00fc\u00e7\u00fck ve orta \u00f6l\u00e7ekli web siteleri i\u00e7in \u00e7o\u011fu zaman bulut tabanl\u0131 veya yaz\u0131l\u0131msal \u00e7\u00f6z\u00fcmler daha pratik olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Web_Application_Firewall_Nedir\"><\/span><b>Web Application Firewall Nedir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Web Application Firewall, web sitelerine \u00f6zel olarak geli\u015ftirilen g\u00fcvenlik duvar\u0131d\u0131r. Klasik firewall\u2019lar daha \u00e7ok a\u011f trafi\u011fini kontrol ederken, WAF web uygulamas\u0131na gelen isteklerin i\u00e7eri\u011fini analiz eder.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin bir sald\u0131rgan, giri\u015f formuna zararl\u0131 kod g\u00f6ndermeye \u00e7al\u0131\u015ft\u0131\u011f\u0131nda WAF bu iste\u011fi tespit edebilir ve engelleyebilir. Benzer \u015fekilde URL parametrelerinde, form alanlar\u0131nda veya \u00e7erezlerde \u015f\u00fcpheli veri varsa bu trafik durdurulabilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">WAF \u00f6zellikle \u015fu sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flayabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SQL injection<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cross-site scripting<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Brute force giri\u015f denemeleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 dosya y\u00fckleme denemeleri<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Form manip\u00fclasyonu<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bot trafi\u011fi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yetkisiz admin paneli eri\u015fimi<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u015e\u00fcpheli URL taramalar\u0131<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">API k\u00f6t\u00fcye kullan\u0131m\u0131<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Hangi_Saldirilara_Karsi_Koruma_Saglar\"><\/span><b>Firewall Hangi Sald\u0131r\u0131lara Kar\u015f\u0131 Koruma Sa\u011flar?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall, web sitesini bir\u00e7ok farkl\u0131 sald\u0131r\u0131 t\u00fcr\u00fcne kar\u015f\u0131 koruyabilir. Ancak her firewall her tehdidi tamamen engellemez. Etkili koruma i\u00e7in do\u011fru yap\u0131land\u0131rma ve d\u00fczenli takip gerekir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_DDoS_Saldirilari\"><\/span><b>1. DDoS Sald\u0131r\u0131lar\u0131<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">DDoS sald\u0131r\u0131s\u0131, bir web sitesine ayn\u0131 anda \u00e7ok y\u00fcksek miktarda trafik g\u00f6ndererek sitenin yava\u015flamas\u0131na veya eri\u015filemez hale gelmesine neden olan sald\u0131r\u0131 t\u00fcr\u00fcd\u00fcr.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall, anormal trafik art\u0131\u015flar\u0131n\u0131 tespit ederek zararl\u0131 istekleri engelleyebilir veya s\u0131n\u0131rland\u0131rabilir. \u00d6zellikle bulut tabanl\u0131 firewall \u00e7\u00f6z\u00fcmleri DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 daha etkili olabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Brute_Force_Saldirilari\"><\/span><b>2. Brute Force Sald\u0131r\u0131lar\u0131<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Brute force sald\u0131r\u0131lar\u0131, giri\u015f paneline s\u00fcrekli farkl\u0131 kullan\u0131c\u0131 ad\u0131 ve \u015fifre denemeleri yap\u0131larak yetkisiz eri\u015fim elde edilmeye \u00e7al\u0131\u015f\u0131lmas\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall, ayn\u0131 IP\u2019den gelen a\u015f\u0131r\u0131 giri\u015f denemelerini engelleyebilir, giri\u015f sayfas\u0131na eri\u015fimi s\u0131n\u0131rland\u0131rabilir veya \u015f\u00fcpheli kaynaklar\u0131 bloke edebilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_SQL_Injection\"><\/span><b>3. SQL Injection<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">SQL injection, sald\u0131rgan\u0131n web sitesindeki form veya URL parametreleri \u00fczerinden veritaban\u0131na zararl\u0131 sorgular g\u00f6ndermeye \u00e7al\u0131\u015ft\u0131\u011f\u0131 sald\u0131r\u0131 t\u00fcr\u00fcd\u00fcr.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">WAF, bu t\u00fcr zararl\u0131 sorgu yap\u0131s\u0131n\u0131 tespit ederek iste\u011fin web uygulamas\u0131na ula\u015fmas\u0131n\u0131 engelleyebilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_XSS_Saldirilari\"><\/span><b>4. XSS Sald\u0131r\u0131lar\u0131<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">XSS, yani cross-site scripting, sald\u0131rgan\u0131n web sayfas\u0131na zararl\u0131 JavaScript kodu enjekte etmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131 sald\u0131r\u0131 t\u00fcr\u00fcd\u00fcr. Bu sald\u0131r\u0131 kullan\u0131c\u0131 oturumlar\u0131n\u0131, formlar\u0131 veya sayfa davran\u0131\u015flar\u0131n\u0131 hedefleyebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall ve WAF \u00e7\u00f6z\u00fcmleri, \u015f\u00fcpheli script giri\u015flerini tespit ederek bu sald\u0131r\u0131lar\u0131n etkisini azaltabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Zararli_Bot_Trafigi\"><\/span><b>5. Zararl\u0131 Bot Trafi\u011fi<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Her bot zararl\u0131 de\u011fildir. Arama motoru botlar\u0131 web sitelerini tarayarak dizine ekler. Ancak baz\u0131 botlar i\u00e7erik kopyalama, fiyat kaz\u0131ma, form spam\u2019i, hesap ele ge\u00e7irme veya sunucu kaynaklar\u0131n\u0131 t\u00fcketme amac\u0131yla \u00e7al\u0131\u015f\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall, k\u00f6t\u00fc niyetli botlar\u0131 filtreleyerek sunucu performans\u0131n\u0131 ve site g\u00fcvenli\u011fini koruyabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Yetkisiz_Erisim_Denemeleri\"><\/span><b>6. Yetkisiz Eri\u015fim Denemeleri<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Admin paneli, veritaban\u0131 y\u00f6netim ara\u00e7lar\u0131 veya hassas dizinlere y\u00f6nelik yetkisiz eri\u015fim denemeleri firewall taraf\u0131ndan s\u0131n\u0131rland\u0131r\u0131labilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin yaln\u0131zca belirli IP adreslerinin admin paneline eri\u015fmesine izin verilebilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_SEO_Icin_Neden_Onemlidir\"><\/span><b>Firewall SEO \u0130\u00e7in Neden \u00d6nemlidir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall do\u011frudan bir SEO s\u0131ralama fakt\u00f6r\u00fc de\u011fildir. Ancak web sitesinin g\u00fcvenli\u011fi, eri\u015filebilirli\u011fi ve performans\u0131 SEO a\u00e7\u0131s\u0131ndan dolayl\u0131 olarak \u00f6nemlidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall olmayan veya zay\u0131f korunan web siteleri \u015fu sorunlarla kar\u015f\u0131la\u015fabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Site s\u0131k s\u0131k yava\u015flayabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 botlar sunucu kaynaklar\u0131n\u0131 t\u00fcketebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS sald\u0131r\u0131lar\u0131 eri\u015fim kesintisi yaratabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">5xx sunucu hatalar\u0131 artabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Site hacklenirse zararl\u0131 i\u00e7erikler eklenebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Arama motorlar\u0131 siteyi g\u00fcvenli olmayan site olarak i\u015faretleyebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 g\u00fcveni ve organik trafik zarar g\u00f6rebilir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bu nedenle firewall, SEO performans\u0131n\u0131 do\u011frudan y\u00fckselten bir ara\u00e7 olmasa da mevcut performans\u0131 koruyan \u00f6nemli bir g\u00fcvenlik katman\u0131d\u0131r.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"WordPress_Siteleri_Icin_Firewall_Kullanimi\"><\/span><b>WordPress Siteleri \u0130\u00e7in Firewall Kullan\u0131m\u0131<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">WordPress, d\u00fcnyada en yayg\u0131n kullan\u0131lan i\u00e7erik y\u00f6netim sistemlerinden biridir. Bu nedenle sald\u0131rganlar taraf\u0131ndan s\u0131k\u00e7a hedef al\u0131n\u0131r. WordPress sitelerinde firewall kullan\u0131m\u0131 \u00f6zellikle \u00f6nemlidir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">WordPress sitelerinde firewall \u015fu alanlarda fayda sa\u011flayabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">wp-admin giri\u015f denemelerini s\u0131n\u0131rlama<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">XML-RPC sald\u0131r\u0131lar\u0131n\u0131 engelleme<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 botlar\u0131 filtreleme<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eklenti a\u00e7\u0131klar\u0131n\u0131 hedefleyen istekleri durdurma<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dosya y\u00fckleme denemelerini kontrol etme<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u015e\u00fcpheli URL taramalar\u0131n\u0131 engelleme<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spam yorum ve form sald\u0131r\u0131lar\u0131n\u0131 azaltma<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">WordPress i\u00e7in g\u00fcvenlik eklentileri, sunucu tabanl\u0131 firewall \u00e7\u00f6z\u00fcmleri veya bulut tabanl\u0131 WAF servisleri kullan\u0131labilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"E-Ticaret_Siteleri_Icin_Firewall_Neden_Gereklidir\"><\/span><b>E-Ticaret Siteleri \u0130\u00e7in Firewall Neden Gereklidir?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">E-ticaret siteleri kullan\u0131c\u0131 bilgileri, sipari\u015f verileri, \u00f6deme s\u00fcre\u00e7leri, \u00fcr\u00fcn stoklar\u0131 ve m\u00fc\u015fteri hesaplar\u0131 gibi kritik verilerle \u00e7al\u0131\u015f\u0131r. Bu nedenle g\u00fcvenlik seviyesi standart web sitelerine g\u00f6re daha y\u00fcksek olmal\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">E-ticaret sitelerinde firewall \u015fu nedenlerle \u00f6nemlidir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131c\u0131 hesaplar\u0131n\u0131 korur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sahte giri\u015f denemelerini azalt\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00d6deme sayfalar\u0131n\u0131 hedefleyen sald\u0131r\u0131lar\u0131 engellemeye yard\u0131mc\u0131 olur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS sald\u0131r\u0131lar\u0131nda sat\u0131\u015f kayb\u0131n\u0131 azaltabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Taklit bot ve kaz\u0131ma trafi\u011fini s\u0131n\u0131rland\u0131rabilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kampanya d\u00f6nemlerinde site eri\u015filebilirli\u011fini destekler.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00fc\u015fteri g\u00fcvenini korur.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bir e-ticaret sitesinde g\u00fcvenlik a\u00e7\u0131\u011f\u0131 yaln\u0131zca teknik sorun yaratmaz; do\u011frudan gelir kayb\u0131 ve marka itibar\u0131 sorunu da do\u011furabilir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Kullanirken_Nelere_Dikkat_Edilmeli\"><\/span><b>Firewall Kullan\u0131rken Nelere Dikkat Edilmeli?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall kullan\u0131m\u0131 kadar do\u011fru yap\u0131land\u0131rma da \u00f6nemlidir. Yanl\u0131\u015f yap\u0131land\u0131r\u0131lm\u0131\u015f bir firewall, ger\u00e7ek kullan\u0131c\u0131lar\u0131 veya arama motoru botlar\u0131n\u0131 engelleyebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dikkat edilmesi gereken noktalar \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenilir botlar engellenmemeli.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Googlebot ve di\u011fer arama motoru botlar\u0131 yanl\u0131\u015fl\u0131kla bloke edilmemeli.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Admin eri\u015fimleri g\u00fcvenli ama kullan\u0131labilir \u015fekilde s\u0131n\u0131rland\u0131r\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS koruma ayarlar\u0131 trafik yap\u0131s\u0131na g\u00f6re d\u00fczenlenmeli.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yanl\u0131\u015f pozitif engellemeler d\u00fczenli takip edilmeli.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Log kay\u0131tlar\u0131 incelenmeli.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dclke bazl\u0131 engellemeler dikkatli yap\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">API kullanan sistemlerde gerekli eri\u015fimler a\u00e7\u0131k b\u0131rak\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Firewall kurallar\u0131 d\u00fczenli g\u00fcncellenmeli.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Tek_Basina_Yeterli_mi\"><\/span><b>Firewall Tek Ba\u015f\u0131na Yeterli mi?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall \u00f6nemli bir g\u00fcvenlik katman\u0131d\u0131r; ancak tek ba\u015f\u0131na t\u00fcm web sitesi g\u00fcvenli\u011fini sa\u011flamaz. Etkili bir g\u00fcvenlik stratejisi \u00e7ok katmanl\u0131 olmal\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall\u2019a ek olarak \u015fu \u00f6nlemler de al\u0131nmal\u0131d\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SSL sertifikas\u0131 kullan\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yaz\u0131l\u0131m ve eklentiler g\u00fcncel tutulmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fc\u00e7l\u00fc \u015fifre politikas\u0131 uygulanmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama kullan\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00fczenli yedekleme yap\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Zararl\u0131 yaz\u0131l\u0131m taramas\u0131 yap\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gereksiz dosya ve eklentiler kald\u0131r\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Admin paneli eri\u015fimi s\u0131n\u0131rland\u0131r\u0131lmal\u0131.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenlik loglar\u0131 takip edilmeli.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hosting sa\u011flay\u0131c\u0131s\u0131n\u0131n g\u00fcvenlik \u00f6zellikleri incelenmeli.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Secerken_Nelere_Dikkat_Edilmeli\"><\/span><b>Firewall Se\u00e7erken Nelere Dikkat Edilmeli?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Web sitesi i\u00e7in firewall se\u00e7erken sitenin t\u00fcr\u00fc, trafik hacmi, teknik altyap\u0131s\u0131 ve g\u00fcvenlik ihtiyac\u0131 dikkate al\u0131nmal\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Firewall se\u00e7iminde \u015fu kriterler de\u011ferlendirilebilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Web Application Firewall deste\u011fi var m\u0131?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS korumas\u0131 sunuyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bot filtreleme \u00f6zelli\u011fi bulunuyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ger\u00e7ek zamanl\u0131 tehdit takibi yap\u0131yor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kullan\u0131m\u0131 kolay m\u0131?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">WordPress veya kullan\u0131lan CMS ile uyumlu mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Log ve raporlama sunuyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yanl\u0131\u015f engellemeleri y\u00f6netmek kolay m\u0131?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CDN ile birlikte \u00e7al\u0131\u015fabiliyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Teknik destek kalitesi yeterli mi?<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">K\u00fc\u00e7\u00fck web siteleri i\u00e7in temel firewall \u00e7\u00f6z\u00fcmleri yeterli olabilirken, e-ticaret ve kurumsal siteler i\u00e7in daha geli\u015fmi\u015f WAF ve DDoS koruma servisleri tercih edilmelidir.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Firewall_Kullaniminda_Sik_Yapilan_Hatalar\"><\/span><b>Firewall Kullan\u0131m\u0131nda S\u0131k Yap\u0131lan Hatalar<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall kullan\u0131rken yap\u0131lan baz\u0131 hatalar, g\u00fcvenli\u011fi art\u0131rmak yerine site performans\u0131n\u0131 veya eri\u015filebilirli\u011fini olumsuz etkileyebilir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Yayg\u0131n hatalar \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Firewall\u2019u kurup ayarlar\u0131n\u0131 hi\u00e7 kontrol etmemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00fcm bot trafi\u011fini zararl\u0131 sanmak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Googlebot\u2019u yanl\u0131\u015fl\u0131kla engellemek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00dclke bazl\u0131 eri\u015fim engellerini gereksiz geni\u015f tutmak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Admin paneli i\u00e7in ek g\u00fcvenlik uygulamamak<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">WAF loglar\u0131n\u0131 incelememek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eski g\u00fcvenlik kurallar\u0131n\u0131 g\u00fcncellememek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sadece firewall\u2019a g\u00fcvenip di\u011fer g\u00fcvenlik \u00f6nlemlerini ihmal etmek<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test yapmadan agresif koruma modlar\u0131n\u0131 aktif etmek<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Web_Sitesi_Icin_Firewall_Kontrol_Listesi\"><\/span><b>Web Sitesi \u0130\u00e7in Firewall Kontrol Listesi<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Firewall kullanmadan \u00f6nce veya mevcut yap\u0131y\u0131 kontrol ederken \u015fu liste faydal\u0131 olabilir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Web sitesinde firewall aktif mi?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">WAF kullan\u0131l\u0131yor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DDoS korumas\u0131 var m\u0131?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Admin paneli koruma alt\u0131nda m\u0131?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u015e\u00fcpheli IP\u2019ler engelleniyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenilir botlar eri\u015febiliyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Googlebot engellenmiyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Firewall loglar\u0131 d\u00fczenli inceleniyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yanl\u0131\u015f engellemeler kontrol ediliyor mu?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00fcvenlik kurallar\u0131 g\u00fcncel mi?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Site performans\u0131 firewall sonras\u0131 test edildi mi?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yedekleme ve zararl\u0131 yaz\u0131l\u0131m taramas\u0131 da yap\u0131l\u0131yor mu?<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Firewall, web sitelerine gelen ve web sitelerinden \u00e7\u0131kan trafi\u011fi kontrol eden temel g\u00fcvenlik sistemlerinden biridir. Zararl\u0131 trafiklerin engellenmesi, yetkisiz eri\u015fim denemelerinin azalt\u0131lmas\u0131, DDoS sald\u0131r\u0131lar\u0131n\u0131n hafifletilmesi ve web uygulamas\u0131 a\u00e7\u0131klar\u0131n\u0131 hedefleyen sald\u0131r\u0131lar\u0131n durdurulmas\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemli bir koruma katman\u0131 sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6zellikle WordPress siteleri, e-ticaret platformlar\u0131, \u00fcyelik sistemleri ve yo\u011fun trafik alan web siteleri i\u00e7in firewall kullan\u0131m\u0131 b\u00fcy\u00fck \u00f6nem ta\u015f\u0131r. Ancak firewall tek ba\u015f\u0131na yeterli de\u011fildir. G\u00fc\u00e7l\u00fc bir web sitesi g\u00fcvenli\u011fi i\u00e7in firewall, SSL, g\u00fcncel yaz\u0131l\u0131m, g\u00fc\u00e7l\u00fc \u015fifreler, d\u00fczenli yedekleme ve zararl\u0131 yaz\u0131l\u0131m taramas\u0131 gibi \u00f6nlemler birlikte uygulanmal\u0131d\u0131r.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f bir firewall, web sitesinin daha g\u00fcvenli, daha stabil ve daha eri\u015filebilir olmas\u0131na yard\u0131mc\u0131 olur. Bu da hem kullan\u0131c\u0131 g\u00fcvenini hem de dijital varl\u0131\u011f\u0131n s\u00fcrd\u00fcr\u00fclebilirli\u011fini destekler.<\/span><\/p>\n<p>Bu ve daha fazla i\u00e7erik i\u00e7in <a href=\"https:\/\/www.domainsorgulama.com\/\">blog<\/a> sayfam\u0131z\u0131 ziyaret edebilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130nternet \u00fczerinde yay\u0131nlanan her web sitesi, farkl\u0131 g\u00fcvenlik riskleriyle kar\u015f\u0131 kar\u015f\u0131yad\u0131r. Zararl\u0131 trafikler, bot sald\u0131r\u0131lar\u0131, yetkisiz eri\u015fim denemeleri, DDoS sald\u0131r\u0131lar\u0131, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar ve veri s\u0131z\u0131nt\u0131s\u0131 giri\u015fimleri web sitelerinin performans\u0131n\u0131, g\u00fcvenli\u011fini ve kullan\u0131c\u0131 g\u00fcvenini do\u011frudan etkileyebilir. Bu nedenle web sitesi g\u00fcvenli\u011fi yaln\u0131zca SSL sertifikas\u0131 kullanmakla s\u0131n\u0131rl\u0131 de\u011fildir. Sunucu, uygulama, a\u011f trafi\u011fi ve kullan\u0131c\u0131 istekleri de [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1991,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":["post-1990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"views":151,"_links":{"self":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts\/1990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/comments?post=1990"}],"version-history":[{"count":1,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts\/1990\/revisions"}],"predecessor-version":[{"id":1992,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/posts\/1990\/revisions\/1992"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/media\/1991"}],"wp:attachment":[{"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/media?parent=1990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/categories?post=1990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.domainsorgulama.com\/blog\/wp-json\/wp\/v2\/tags?post=1990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}