{"id":366,"date":"2026-07-11T19:10:57","date_gmt":"2026-07-11T19:10:57","guid":{"rendered":"https:\/\/www.domain.com.tr\/blog\/?p=366"},"modified":"2026-07-16T19:42:04","modified_gmt":"2026-07-16T19:42:04","slug":"web-sitesi-guvenligi-nedir-ssl-firewall-ve-ddos-korumasi-rehberi","status":"publish","type":"post","link":"https:\/\/www.domain.com.tr\/blog\/guvenlik\/web-sitesi-guvenligi-nedir-ssl-firewall-ve-ddos-korumasi-rehberi\/","title":{"rendered":"Web Sitesi G\u00fcvenli\u011fi Nedir? SSL, Firewall ve DDoS Korumas\u0131 Rehberi"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><em>SSL, firewall, DDoS korumas\u0131 ve yedekleme stratejileriyle web sitenizi g\u00fcvence alt\u0131na al\u0131n.<\/em><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bir web sitesinin ba\u015far\u0131s\u0131 yaln\u0131zca h\u0131z ve tasar\u0131mla de\u011fil, ayn\u0131 zamanda <strong>g\u00fcvenlik<\/strong> ile de do\u011frudan ili\u015fkilidir. Siber sald\u0131r\u0131lar\u0131n giderek artt\u0131\u011f\u0131 g\u00fcn\u00fcm\u00fczde, web sitesi g\u00fcvenli\u011fini sa\u011flamak hem kullan\u0131c\u0131 verilerinin korunmas\u0131 hem de marka g\u00fcveninin s\u00fcrd\u00fcr\u00fclmesi a\u00e7\u0131s\u0131ndan kritik \u00f6nem ta\u015f\u0131r. Bu rehberde web sitesi g\u00fcvenli\u011finin ne oldu\u011fundan SSL sertifikas\u0131na, g\u00fcvenlik duvar\u0131ndan DDoS korumas\u0131na ve yedekleme stratejilerine kadar bilmeniz gereken t\u00fcm konular\u0131 ele al\u0131yoruz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web Sitesi G\u00fcvenli\u011fi Nedir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Web sitesi g\u00fcvenli\u011fi<\/strong>, bir sitenin k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara, yetkisiz eri\u015fimlere, veri h\u0131rs\u0131zl\u0131\u011f\u0131na ve \u00e7e\u015fitli siber sald\u0131r\u0131lara kar\u015f\u0131 korunmas\u0131 i\u00e7in al\u0131nan \u00f6nlemlerin b\u00fct\u00fcn\u00fcn\u00fc ifade eder. G\u00fcvenlik a\u00e7\u0131\u011f\u0131 bulunan bir web sitesi; verilerin \u00e7al\u0131nmas\u0131, sitenin \u00e7\u00f6kmesi, arama motorlar\u0131nda kara listeye al\u0131nmas\u0131 ve kullan\u0131c\u0131 g\u00fcveninin kaybedilmesi gibi ciddi sonu\u00e7larla kar\u015f\u0131la\u015fabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00fcvenlik, tek seferlik bir i\u015flem de\u011fil, s\u00fcrekli takip ve g\u00fcncelleme gerektiren dinamik bir s\u00fcre\u00e7tir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL Sertifikas\u0131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SSL (Secure Sockets Layer)<\/strong> sertifikas\u0131, bir web sitesi ile kullan\u0131c\u0131 aras\u0131ndaki veri ileti\u015fimini \u015fifreleyen g\u00fcvenlik protokol\u00fcd\u00fcr. SSL sertifikas\u0131na sahip siteler taray\u0131c\u0131da <strong>HTTPS<\/strong> \u00f6n ekiyle ve genellikle bir kilit simgesiyle g\u00f6sterilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SSL Sertifikas\u0131n\u0131n Sa\u011flad\u0131\u011f\u0131 Avantajlar<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Veri \u015eifreleme<\/strong> \u2013 Kullan\u0131c\u0131 ile sunucu aras\u0131nda iletilen bilgilerin (\u015fifreler, kredi kart\u0131 bilgileri vb.) \u00fc\u00e7\u00fcnc\u00fc \u015fah\u0131slar taraf\u0131ndan ele ge\u00e7irilmesini engeller.<\/li>\n\n\n\n<li><strong>Kullan\u0131c\u0131 G\u00fcveni<\/strong> \u2013 Taray\u0131c\u0131da g\u00f6r\u00fcnen g\u00fcvenli ba\u011flant\u0131 ibaresi, ziyaret\u00e7ilerin siteye olan g\u00fcvenini art\u0131r\u0131r.<\/li>\n\n\n\n<li><strong>SEO Avantaj\u0131<\/strong> \u2013 Google, HTTPS kullanan siteleri s\u0131ralama algoritmas\u0131nda olumlu bir fakt\u00f6r olarak de\u011ferlendirir.<\/li>\n\n\n\n<li><strong>Veri B\u00fct\u00fcnl\u00fc\u011f\u00fc<\/strong> \u2013 \u0130letilen verinin yolda de\u011fi\u015ftirilmeden hedefe ula\u015fmas\u0131n\u0131 garanti eder.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SSL sertifikas\u0131 art\u0131k yaln\u0131zca e-ticaret siteleri i\u00e7in de\u011fil, t\u00fcm web siteleri i\u00e7in standart bir gereklilik haline gelmi\u015ftir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Firewall (G\u00fcvenlik Duvar\u0131) ve WAF<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Firewall (g\u00fcvenlik duvar\u0131)<\/strong>, bir a\u011fa veya sunucuya gelen ve giden trafi\u011fi izleyerek zararl\u0131 veya yetkisiz eri\u015fimleri engelleyen g\u00fcvenlik katman\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Web siteleri i\u00e7in \u00f6zel olarak geli\u015ftirilen <strong>WAF (Web Application Firewall)<\/strong> ise, web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lar\u0131 (SQL injection, XSS gibi) tespit edip engellemek \u00fczere tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Firewall ve WAF&#8217;\u0131n Sa\u011flad\u0131\u011f\u0131 Korumalar<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00f6t\u00fc ama\u00e7l\u0131 bot trafi\u011finin engellenmesi<\/li>\n\n\n\n<li>SQL enjeksiyonu ve zararl\u0131 kod \u00e7al\u0131\u015ft\u0131rma giri\u015fimlerinin durdurulmas\u0131<\/li>\n\n\n\n<li>\u015e\u00fcpheli IP adreslerinden gelen eri\u015fimlerin k\u0131s\u0131tlanmas\u0131<\/li>\n\n\n\n<li>Yetkisiz y\u00f6netici paneli giri\u015f denemelerinin engellenmesi<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Malware (Zararl\u0131 Yaz\u0131l\u0131m) Temizleme<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bir web sitesi \u00e7e\u015fitli yollarla (g\u00fcvenlik a\u00e7\u0131\u011f\u0131 bulunan eklentiler, zay\u0131f \u015fifreler, g\u00fcncellenmemi\u015f yaz\u0131l\u0131mlar vb.) zararl\u0131 yaz\u0131l\u0131m bula\u015fmas\u0131na maruz kalabilir. Zararl\u0131 yaz\u0131l\u0131m bula\u015fm\u0131\u015f bir site; ziyaret\u00e7ilere zararl\u0131 i\u00e7erik g\u00f6stermek, verileri \u00e7almak veya arama motorlar\u0131 taraf\u0131ndan g\u00fcvensiz olarak i\u015faretlenmek gibi ciddi sorunlarla kar\u015f\u0131la\u015fabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Malware Tespiti ve Temizli\u011fi \u0130\u00e7in \u00d6neriler<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00fczenli olarak g\u00fcvenlik taramas\u0131 yap\u0131lmas\u0131<\/li>\n\n\n\n<li>\u015e\u00fcpheli dosya ve kod par\u00e7alar\u0131n\u0131n tespit edilip temizlenmesi<\/li>\n\n\n\n<li>Temiz bir yedekten geri y\u00fckleme yap\u0131lmas\u0131 (gerekirse)<\/li>\n\n\n\n<li>Zararl\u0131 yaz\u0131l\u0131m\u0131n giri\u015f noktas\u0131n\u0131n tespit edilip kapat\u0131lmas\u0131 (g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131n giderilmesi)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DDoS Korumas\u0131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DDoS (Distributed Denial of Service)<\/strong> sald\u0131r\u0131lar\u0131, bir web sitesine ayn\u0131 anda \u00e7ok say\u0131da istek g\u00f6ndererek sunucunun a\u015f\u0131r\u0131 y\u00fcklenmesini ve hizmet veremez hale gelmesini ama\u00e7layan sald\u0131r\u0131 t\u00fcr\u00fcd\u00fcr.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DDoS Korumas\u0131nda Kullan\u0131lan Y\u00f6ntemler<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Trafik Filtreleme<\/strong> \u2013 \u015e\u00fcpheli ve anormal trafik desenlerinin tespit edilip engellenmesi<\/li>\n\n\n\n<li><strong>CDN Kullan\u0131m\u0131<\/strong> \u2013 Trafi\u011fin farkl\u0131 sunuculara da\u011f\u0131t\u0131larak tek bir noktan\u0131n a\u015f\u0131r\u0131 y\u00fcklenmesinin \u00f6nlenmesi<\/li>\n\n\n\n<li><strong>H\u0131z S\u0131n\u0131rlama (Rate Limiting)<\/strong> \u2013 Belirli bir IP adresinden gelen isteklerin belirli bir s\u0131n\u0131rla k\u0131s\u0131tlanmas\u0131<\/li>\n\n\n\n<li><strong>Bulut Tabanl\u0131 DDoS Koruma Hizmetleri<\/strong> \u2013 B\u00fcy\u00fck \u00f6l\u00e7ekli sald\u0131r\u0131lara kar\u015f\u0131 \u00f6zel olarak tasarlanm\u0131\u015f koruma altyap\u0131lar\u0131<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Yedekleme Stratejileri<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00fcvenlik \u00f6nlemleri ne kadar g\u00fc\u00e7l\u00fc olursa olsun, olas\u0131 bir sald\u0131r\u0131, teknik ar\u0131za veya insan hatas\u0131 her zaman risk ta\u015f\u0131r. Bu nedenle d\u00fczenli <strong>yedekleme (backup)<\/strong> stratejileri, g\u00fcvenlik yakla\u015f\u0131m\u0131n\u0131n vazge\u00e7ilmez bir par\u00e7as\u0131d\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Etkili Bir Yedekleme Stratejisinin Unsurlar\u0131<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00fczenli Otomatik Yedekleme<\/strong> \u2013 G\u00fcnl\u00fck veya haftal\u0131k periyotlarla otomatik yedek al\u0131nmas\u0131<\/li>\n\n\n\n<li><strong>Farkl\u0131 Konumlarda Saklama<\/strong> \u2013 Yedeklerin sunucu d\u0131\u015f\u0131nda, farkl\u0131 bir konumda da saklanmas\u0131 (3-2-1 yedekleme kural\u0131)<\/li>\n\n\n\n<li><strong>Yedek Testleri<\/strong> \u2013 Al\u0131nan yedeklerin d\u00fczenli olarak geri y\u00fcklenerek \u00e7al\u0131\u015f\u0131rl\u0131\u011f\u0131n\u0131n test edilmesi<\/li>\n\n\n\n<li><strong>S\u00fcr\u00fcm Ge\u00e7mi\u015fi<\/strong> \u2013 Birden fazla tarihli yede\u011fin saklanarak farkl\u0131 zaman noktalar\u0131na d\u00f6nebilme imkan\u0131 sa\u011flanmas\u0131<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00fc\u00e7l\u00fc Parola ve \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama (2FA)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zay\u0131f ve tahmin edilmesi kolay \u015fifreler, siber sald\u0131r\u0131lar\u0131n en yayg\u0131n giri\u015f noktalar\u0131ndan biridir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">G\u00fcvenli Kimlik Do\u011frulama \u0130\u00e7in \u00d6neriler<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u00fcy\u00fck\/k\u00fc\u00e7\u00fck harf, rakam ve \u00f6zel karakter i\u00e7eren karma\u015f\u0131k \u015fifreler kullan\u0131lmal\u0131d\u0131r.<\/li>\n\n\n\n<li>Farkl\u0131 hesaplar i\u00e7in ayn\u0131 \u015fifre tekrar kullan\u0131lmamal\u0131d\u0131r.<\/li>\n\n\n\n<li>M\u00fcmk\u00fcn olan her yerde <strong>iki fakt\u00f6rl\u00fc kimlik do\u011frulama (2FA)<\/strong> aktif edilmelidir.<\/li>\n\n\n\n<li>Y\u00f6netici paneline eri\u015fim, m\u00fcmk\u00fcnse belirli IP adresleriyle k\u0131s\u0131tlanmal\u0131d\u0131r.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">S\u0131k Sorulan Sorular (SSS)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SSL sertifikas\u0131 olmayan bir site ne gibi risklerle kar\u015f\u0131la\u015f\u0131r?<\/strong> SSL sertifikas\u0131 olmayan siteler, taray\u0131c\u0131larda &#8220;g\u00fcvenli de\u011fil&#8221; uyar\u0131s\u0131yla kar\u015f\u0131la\u015fabilir, kullan\u0131c\u0131 g\u00fcvenini kaybedebilir ve arama motoru s\u0131ralamas\u0131nda dezavantajl\u0131 duruma d\u00fc\u015febilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Web sitem zararl\u0131 yaz\u0131l\u0131m bula\u015ft\u0131\u011f\u0131n\u0131 nas\u0131l anlar\u0131m?<\/strong> Ani trafik d\u00fc\u015f\u00fc\u015fleri, arama motorlar\u0131n\u0131n g\u00fcvenlik uyar\u0131s\u0131 vermesi, beklenmedik y\u00f6nlendirmeler veya bilinmeyen dosyalar\u0131n sunucuda bulunmas\u0131 zararl\u0131 yaz\u0131l\u0131m belirtisi olabilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DDoS sald\u0131r\u0131s\u0131na kar\u015f\u0131 en etkili \u00f6nlem nedir?<\/strong> CDN kullan\u0131m\u0131, trafi\u011fi da\u011f\u0131tarak ve \u015f\u00fcpheli istekleri filtreleyerek DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 en etkili korumalardan birini sunar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Yedekleme ne s\u0131kl\u0131kla yap\u0131lmal\u0131d\u0131r?<\/strong> Sitenin g\u00fcncellenme s\u0131kl\u0131\u011f\u0131na ba\u011fl\u0131 olarak g\u00fcnl\u00fck veya en az haftal\u0131k periyotlarla otomatik yedekleme yap\u0131lmas\u0131 \u00f6nerilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SSL, firewall, DDoS korumas\u0131 ve yedekleme stratejileriyle web sitenizi g\u00fcvence alt\u0131na al\u0131n. Bir web sitesinin ba\u015far\u0131s\u0131 yaln\u0131zca h\u0131z ve tasar\u0131mla de\u011fil, ayn\u0131 zamanda g\u00fcvenlik ile de do\u011frudan ili\u015fkilidir. Siber sald\u0131r\u0131lar\u0131n giderek artt\u0131\u011f\u0131 g\u00fcn\u00fcm\u00fczde, web sitesi g\u00fcvenli\u011fini sa\u011flamak hem kullan\u0131c\u0131 verilerinin korunmas\u0131 hem de marka g\u00fcveninin s\u00fcrd\u00fcr\u00fclmesi a\u00e7\u0131s\u0131ndan kritik \u00f6nem ta\u015f\u0131r. Bu rehberde web sitesi g\u00fcvenli\u011finin [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[61,64,63,62,60,65],"class_list":["post-366","post","type-post","status-publish","format-standard","has-post-thumbnail","category-guvenlik","tag-ddos-korumasi","tag-firewall","tag-malware-temizleme","tag-ssl-sertifikasi","tag-web-sitesi-guvenligi","tag-yedekleme"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Web Sitesi G\u00fcvenli\u011fi Nedir? SSL, Firewall ve DDoS Korumas\u0131 Rehberi - Domain.com.tr blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.domain.com.tr\/blog\/guvenlik\/web-sitesi-guvenligi-nedir-ssl-firewall-ve-ddos-korumasi-rehberi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Web Sitesi G\u00fcvenli\u011fi Nedir? SSL, Firewall ve DDoS Korumas\u0131 Rehberi - Domain.com.tr blog\" \/>\n<meta property=\"og:description\" content=\"SSL, firewall, DDoS korumas\u0131 ve yedekleme stratejileriyle web sitenizi g\u00fcvence alt\u0131na al\u0131n. Bir web sitesinin ba\u015far\u0131s\u0131 yaln\u0131zca h\u0131z ve tasar\u0131mla de\u011fil, ayn\u0131 zamanda g\u00fcvenlik ile de do\u011frudan ili\u015fkilidir. 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