{"id":1390,"date":"2026-08-18T05:00:34","date_gmt":"2026-08-18T02:00:34","guid":{"rendered":"https:\/\/endova.com.tr\/blog\/tr\/2026\/08\/18\/backend-gelistirmede-guvenlik-duvarlari-firewall-ve-waf\/"},"modified":"2026-08-18T05:00:34","modified_gmt":"2026-08-18T02:00:34","slug":"backend-gelistirmede-guvenlik-duvarlari-firewall-ve-waf","status":"publish","type":"post","link":"https:\/\/endova.com.tr\/blog\/tr\/2026\/08\/18\/backend-gelistirmede-guvenlik-duvarlari-firewall-ve-waf\/","title":{"rendered":"Backend Geli\u015ftirmede G\u00fcvenlik Duvarlar\u0131 (Firewall) ve WAF"},"content":{"rendered":"<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">G\u00fcn\u00fcm\u00fcz\u00fcn h\u0131zla dijitalle\u015fen d\u00fcnyas\u0131nda, i\u015fletmelerin \u00e7evrimi\u00e7i varl\u0131klar\u0131, potansiyel tehditlere kar\u015f\u0131 s\u00fcrekli bir m\u00fccadele i\u00e7erisindedir. \u00d6zellikle hassas verilerin i\u015flendi\u011fi ve depoland\u0131\u011f\u0131 backend sistemleri, siber sald\u0131rganlar i\u00e7in cazip hedefler olu\u015fturur. Bir e-ticaret sitesi, mobil uygulama veya kurumsal web \u00e7\u00f6z\u00fcm\u00fc geli\u015ftiriyor olun, sa\u011flam bir g\u00fcvenlik mimarisi kurmak kritik \u00f6neme sahiptir. \u0130\u015fte bu noktada, geleneksel g\u00fcvenlik duvarlar\u0131 (Firewall) ve Web Uygulama G\u00fcvenlik Duvarlar\u0131 (WAF), dijital kalenizin vazge\u00e7ilmez savunma mekanizmalar\u0131 olarak devreye girer. <a href=\"https:\/\/endova.com.tr\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">Endova<\/a> olarak, eticaret \u00e7\u00f6z\u00fcmleri, web ve mobil \u00e7\u00f6z\u00fcmlerimizle birlikte, m\u00fc\u015fterilerimizin dijital varl\u0131klar\u0131n\u0131 en \u00fcst d\u00fczeyde korumay\u0131 hedefliyoruz. Bu makalede, firewall ve WAF&#8217;\u0131n backend g\u00fcvenli\u011findeki rollerini ve Endova&#8217;n\u0131n bu alandaki yakla\u015f\u0131m\u0131n\u0131 inceleyece\u011fiz.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Bir g\u00fcvenlik duvar\u0131, a\u011f trafi\u011fini belirli kurallara g\u00f6re filtreleyen bir a\u011f g\u00fcvenlik sistemidir. Temel amac\u0131, yetkisiz eri\u015fimi engellemek ve g\u00fcvenli bir a\u011f ile g\u00fcvensiz bir a\u011f (\u00f6rne\u011fin internet) aras\u0131ndaki trafi\u011fi kontrol etmektir. Bir backend sistemi i\u00e7in firewall, sunuculara gelen ve giden her t\u00fcrl\u00fc veri paketini inceler. Paketlerin kaynak ve hedef IP adresleri, port numaralar\u0131 ve protokolleri gibi bilgilere dayanarak, hangi trafi\u011fin ge\u00e7i\u015fine izin verilece\u011fine veya engellenece\u011fine karar verir.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Firewall&#8217;lar, farkl\u0131 katmanlarda \u00e7al\u0131\u015fabilir:<\/p>\n<ul>\n<li style=\"font-size: 1.1em; line-height: 1.6;\"><b>A\u011f Tabanl\u0131 G\u00fcvenlik Duvarlar\u0131:<\/b> A\u011f\u0131n \u00e7evresine yerle\u015ftirilir ve t\u00fcm a\u011f trafi\u011fini denetler.<\/li>\n<li style=\"font-size: 1.1em; line-height: 1.6;\"><b>Ana Bilgisayar Tabanl\u0131 G\u00fcvenlik Duvarlar\u0131:<\/b> Do\u011frudan sunuculara veya bilgisayarlara y\u00fcklenir ve o cihazdaki uygulamalar\u0131n a\u011f eri\u015fimini kontrol eder.<\/li>\n<\/ul>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\"><a href=\"https:\/\/endova.com.tr\/services\/hosting\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">Endova&#8217;n\u0131n g\u00fc\u00e7l\u00fc hosting hizmetleri<\/a> ve <a href=\"https:\/\/endova.com.tr\/services\/software-development\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">yaz\u0131l\u0131m geli\u015ftirme<\/a> s\u00fcre\u00e7leri, bu temel g\u00fcvenlik katman\u0131n\u0131n do\u011fru yap\u0131land\u0131r\u0131lmas\u0131yla ba\u015flar. \u00d6zellikle sunucu altyap\u0131m\u0131zda uygulad\u0131\u011f\u0131m\u0131z kat\u0131 firewall kurallar\u0131, potansiyel tehditlerin backend sistemlerinize ula\u015fmadan engellenmesini sa\u011flar. Dijital altyap\u0131n\u0131z\u0131n korunmas\u0131nda Endova&#8217;n\u0131n <a href=\"https:\/\/endoguard.endova.com.tr\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">EndoGuard<\/a> gibi \u00f6zel \u00e7\u00f6z\u00fcmleri, bu ilk savunma hatt\u0131n\u0131 g\u00fc\u00e7lendirir.<\/p>\n<h2 style=\"font-size: 2em; color: #2c3e50; margin-top: 1.5em;\">Web Uygulama G\u00fcvenlik Duvarlar\u0131 (WAF): Uygulama Katman\u0131n\u0131n \u00d6zel Koruyucusu<\/h2>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Geleneksel g\u00fcvenlik duvarlar\u0131, a\u011f katman\u0131ndaki tehditlere kar\u015f\u0131 etkili olsa da, web uygulamalar\u0131na y\u00f6nelik spesifik sald\u0131r\u0131lara kar\u015f\u0131 yetersiz kalabilir. \u0130\u015fte burada Web Uygulama G\u00fcvenlik Duvarlar\u0131 (WAF) devreye girer. WAF&#8217;lar, web uygulamalar\u0131 ile internet aras\u0131ndaki HTTP\/S trafi\u011fini analiz ederek, uygulama katman\u0131ndaki (OSI Layer 7) zafiyetleri hedef alan sald\u0131r\u0131lar\u0131 engellemek \u00fczere tasarlanm\u0131\u015ft\u0131r.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">WAF&#8217;lar, k\u00f6t\u00fc niyetli istekleri tespit etmek i\u00e7in \u00e7e\u015fitli teknikler kullan\u0131r:<\/p>\n<ul>\n<li style=\"font-size: 1.1em; line-height: 1.6;\"><b>\u0130mza Tabanl\u0131 Alg\u0131lama:<\/b> Bilinen sald\u0131r\u0131 kal\u0131plar\u0131n\u0131 (SQL Injection, Cross-Site Scripting &#8211; XSS gibi) i\u00e7erik analizi yaparak yakalar.<\/li>\n<li style=\"font-size: 1.1em; line-height: 1.6;\"><b>Anomali Alg\u0131lama:<\/b> Normal web trafi\u011fi davran\u0131\u015f\u0131n\u0131 \u00f6\u011frenir ve bu normalden sapan aktiviteleri potansiyel tehdit olarak i\u015faretler.<\/li>\n<li style=\"font-size: 1.1em; line-height: 1.6;\"><b>Protokol Uyumlulu\u011fu:<\/b> HTTP\/S protokollerine uymayan istekleri reddeder.<\/li>\n<\/ul>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">WAF&#8217;lar, OWASP Top 10 gibi yayg\u0131n web zafiyetlerine kar\u015f\u0131 kritik bir koruma sa\u011flar. \u00d6zellikle <a href=\"https:\/\/endova.com.tr\/services\/shopify-plus-ecommerce\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">e-ticaret \u00e7\u00f6z\u00fcmleri<\/a> ve <a href=\"https:\/\/endova.com.tr\/services\/mobile-app-development\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">mobil uygulama geli\u015ftirme<\/a> gibi kullan\u0131c\u0131 etkile\u015fiminin yo\u011fun oldu\u011fu ve hassas veri i\u015flemlerinin yap\u0131ld\u0131\u011f\u0131 karma\u015f\u0131k projelerde, WAF entegrasyonu Endova&#8217;n\u0131n g\u00fcvenlik felsefesinin ayr\u0131lmaz bir par\u00e7as\u0131d\u0131r. Geli\u015ftirdi\u011fimiz her web ve mobil \u00e7\u00f6z\u00fcm\u00fc, potansiyel uygulama katman\u0131 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 g\u00fc\u00e7lendirilmi\u015f bir WAF ile korumay\u0131 taahh\u00fct ediyoruz.<\/p>\n<h2 style=\"font-size: 2em; color: #2c3e50; margin-top: 1.5em;\">Firewall ve WAF: Katmanl\u0131 Bir Savunma Stratejisi<\/h2>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">G\u00fcvenlik duvarlar\u0131 ve WAF&#8217;lar birbirinin yerine ge\u00e7en \u00e7\u00f6z\u00fcmler de\u011fildir; aksine, birbirlerini tamamlayan katmanl\u0131 bir savunma stratejisinin \u00f6nemli bile\u015fenleridir. Geleneksel g\u00fcvenlik duvar\u0131, geni\u015f a\u011f trafi\u011fini y\u00f6neterek ilk savunma hatt\u0131n\u0131 olu\u015ftururken, WAF ise web uygulamalar\u0131n\u0131n hassas uygulama katman\u0131na odaklanarak daha derinlemesine bir koruma sa\u011flar.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Bu &#8220;derinlemesine savunma&#8221; (defense in depth) yakla\u015f\u0131m\u0131, bir g\u00fcvenlik katman\u0131 a\u015f\u0131lsa bile di\u011ferinin devreye girerek sald\u0131r\u0131y\u0131 durdurmas\u0131n\u0131 hedefler. Backend sistemleriniz i\u00e7in bu iki g\u00fcvenlik mekanizmas\u0131n\u0131 bir arada kullanmak, dijital varl\u0131klar\u0131n\u0131z\u0131 \u00e7ok daha kapsaml\u0131 bir \u015fekilde koruman\u0131z\u0131 sa\u011flar. <a href=\"https:\/\/endova.com.tr\/services\/software-development\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">Endova&#8217;n\u0131n yaz\u0131l\u0131m geli\u015ftirme<\/a> metodolojisinde, g\u00fcvenlik mimarisi bu katmanl\u0131 yakla\u015f\u0131mla ele al\u0131n\u0131r. T\u00fcm projelerimizde, a\u011f ve uygulama katman\u0131ndaki g\u00fcvenlik \u00f6nlemleri titizlikle planlan\u0131r ve uygulan\u0131r.<\/p>\n<h2 style=\"font-size: 2em; color: #2c3e50; margin-top: 1.5em;\">Neden G\u00fcvenlik Bu Kadar Kritik? Endova Bak\u0131\u015f A\u00e7\u0131s\u0131<\/h2>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Siber g\u00fcvenlik sadece teknik bir gereklilik de\u011fil, ayn\u0131 zamanda i\u015f s\u00fcreklili\u011fi, itibar ve yasal uyumluluk a\u00e7\u0131s\u0131ndan da hayati \u00f6neme sahiptir. Bir veri ihlali, \u015firketiniz i\u00e7in maddi kay\u0131plara, m\u00fc\u015fteri g\u00fcveninin sars\u0131lmas\u0131na ve a\u011f\u0131r yasal yapt\u0131r\u0131mlara yol a\u00e7abilir. \u00d6zellikle KVKK ve GDPR gibi veri koruma d\u00fczenlemeleri, i\u015fletmelerin hassas verileri koruma y\u00fck\u00fcml\u00fcl\u00fc\u011f\u00fcn\u00fc net bir \u015fekilde ortaya koymaktad\u0131r.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Endova olarak, m\u00fc\u015fteri verilerinin korunmas\u0131, KVKK ve GDPR uyumlulu\u011fu, <a href=\"https:\/\/endova.com.tr\/services\/professional-seo\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">profesyonel SEO<\/a> hizmetlerimizden tutun da <a href=\"https:\/\/endova.com.tr\/services\/desktop-and-kiosk-applications\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">masa\u00fcst\u00fc uygulamalar\u0131na<\/a> kadar her hizmet alan\u0131nda \u00f6nceliklidir. Sundu\u011fumuz e-ticaret, web ve mobil \u00e7\u00f6z\u00fcmlerin temelinde g\u00fc\u00e7l\u00fc bir g\u00fcvenlik anlay\u0131\u015f\u0131 yatar. Olas\u0131 felaket senaryolar\u0131na kar\u015f\u0131 <a href=\"https:\/\/endobackup.endova.com.tr\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">EndoBackup<\/a> gibi \u00e7\u00f6z\u00fcmlerle verilerinizi g\u00fcvence alt\u0131na alman\u0131z, Endova&#8217;n\u0131n sundu\u011fu kapsaml\u0131 g\u00fcvenlik stratejisinin bir par\u00e7as\u0131d\u0131r. Ayr\u0131ca, m\u00fc\u015fteri ili\u015fkileri y\u00f6netimi gibi hassas verilerinizi bar\u0131nd\u0131ran sistemleriniz i\u00e7in <a href=\"https:\/\/endocrm.endova.com.tr\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">EndoCRM<\/a> gibi \u00fcr\u00fcnlerimiz de en \u00fcst d\u00fczeyde g\u00fcvenlik protokolleriyle tasarlanm\u0131\u015ft\u0131r. G\u00fcvenli\u011finizi sadece bir maliyet de\u011fil, bir yat\u0131r\u0131m olarak g\u00f6r\u00fcyoruz.<\/p>\n<h2 style=\"font-size: 2em; color: #2c3e50; margin-top: 1.5em;\">Sonu\u00e7: Dijital Gelece\u011finizi Endova ile G\u00fcvenle \u0130n\u015fa Edin<\/h2>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Backend geli\u015ftirmede g\u00fcvenlik, hi\u00e7bir zaman g\u00f6z ard\u0131 edilmemesi gereken bir \u00f6nceliktir. Geleneksel g\u00fcvenlik duvarlar\u0131 ve Web Uygulama G\u00fcvenlik Duvarlar\u0131 (WAF), dijital varl\u0131klar\u0131n\u0131z\u0131 siber tehditlere kar\u015f\u0131 korumak i\u00e7in vazge\u00e7ilmez ara\u00e7lard\u0131r. Bu iki g\u00fcvenlik katman\u0131n\u0131 do\u011fru bir \u015fekilde entegre etmek ve s\u00fcrekli g\u00fcncel tutmak, i\u015finizin \u00e7evrimi\u00e7i ortamdaki g\u00fcvenli\u011fini sa\u011flaman\u0131n anahtar\u0131d\u0131r.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-bottom: 1em;\">Endova olarak, e-ticaret \u00e7\u00f6z\u00fcmlerinden web ve mobil uygulamalara, kurumsal yaz\u0131l\u0131mlardan \u00f6zel projelere kadar geni\u015f bir yelpazede hizmet sunarken, g\u00fcvenli\u011fi her zaman en \u00f6n planda tutuyoruz. Uzman ekibimiz, en son g\u00fcvenlik protokollerini ve en iyi uygulamalar\u0131 kullanarak, i\u015fletmenizin dijital gelece\u011fini g\u00fcvenle in\u015fa etmenize yard\u0131mc\u0131 olmaya haz\u0131r. Dijital varl\u0131klar\u0131n\u0131z\u0131n korunmas\u0131 konusunda stratejik orta\u011f\u0131n\u0131z olmak ve g\u00fcvenli, \u00f6l\u00e7eklenebilir ve yenilik\u00e7i \u00e7\u00f6z\u00fcmlerimizle i\u015finizi gelece\u011fe ta\u015f\u0131mak i\u00e7in <a href=\"https:\/\/endova.com.tr\/\" target=\"_blank\" style=\"color: #007bff; text-decoration: none;\">Endova.com.tr<\/a>&#8216;yi ziyaret edin ve bizimle ileti\u015fime ge\u00e7in.<\/p>\n<p style=\"font-size: 1.1em; line-height: 1.6; margin-top: 2em;\">#BackendG\u00fcvenli\u011fi #Firewall #WAF #WebUygulamaG\u00fcvenli\u011fi #SiberG\u00fcvenlik #Endova #EticaretG\u00fcvenli\u011fi #Yaz\u0131l\u0131mGeli\u015ftirme #MobilUygulamaG\u00fcvenli\u011fi #VeriG\u00fcvenli\u011fi #KVKK #GDPR #EndoGuard #EndoBackup #EndoCRM<\/p>\n","protected":false},"excerpt":{"rendered":"Backend Geli\u015ftirmede G\u00fcvenlik Duvarlar\u0131 (Firewall) ve WAF","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-1390","post","type-post","status-publish","format-standard","cs-entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v27.0) - 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