{"id":1725,"date":"2026-07-26T17:31:35","date_gmt":"2026-07-26T14:31:35","guid":{"rendered":"https:\/\/verimin.com.tr\/blog\/?p=1725"},"modified":"2026-07-26T17:31:35","modified_gmt":"2026-07-26T14:31:35","slug":"ddos-korumali-vds","status":"publish","type":"post","link":"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/","title":{"rendered":"DDoS Korumal\u0131 VDS Nedir? Koruma Katmanlar\u0131 ve Se\u00e7im Kriterleri"},"content":{"rendered":"<p class=\"wp-block-paragraph\">DDoS korumal\u0131 <a href=\"https:\/\/verimin.com.tr\/vds-satin-al\" data-internallinksmanager029f6b8e52c=\"15\" title=\"vds sat\u0131n al\">VDS<\/a>, gelen a\u011f trafi\u011fi s\u00fcrekli izlenen ve zararl\u0131 paketleri sunucuya ula\u015fmadan filtreleyen bir altyap\u0131 \u00fczerinde \u00e7al\u0131\u015fan sanal \u00f6zel sunucudur. Filtreleme sunucunun i\u00e7inde de\u011fil, sa\u011flay\u0131c\u0131n\u0131n a\u011f kenar\u0131nda yap\u0131l\u0131r. B\u00f6ylece sald\u0131r\u0131 trafi\u011fi sunucunun bant geni\u015fli\u011fini ve i\u015flemcisini me\u015fgul etmez.<\/p><p class=\"wp-block-paragraph\">Bu yaz\u0131da DDoS korumal\u0131 VDS&#8217;in kapsam\u0131n\u0131, koruma s\u00fcrecinin a\u015famalar\u0131n\u0131, katman 3\/4 ile katman 7 fark\u0131n\u0131, kapasite de\u011ferlerinin nas\u0131l okunaca\u011f\u0131n\u0131 ve sa\u011flay\u0131c\u0131 se\u00e7im kriterlerini ele al\u0131yoruz. Yaz\u0131 tamamen savunma odakl\u0131d\u0131r; sald\u0131r\u0131 y\u00f6ntemlerine yer verilmez.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Ba\u015fl\u0131klar\u0131:<\/div>\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'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#DDoS_saldirisi_bir_sunucuyu_nasil_etkiler\" title=\"DDoS sald\u0131r\u0131s\u0131 bir sunucuyu nas\u0131l etkiler?\">DDoS sald\u0131r\u0131s\u0131 bir sunucuyu nas\u0131l etkiler?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#DDoS_korumali_VDS_ne_demek\" title=\"DDoS korumal\u0131 VDS ne demek?\">DDoS korumal\u0131 VDS ne demek?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#DDoS_korumasi_nasil_calisir\" title=\"DDoS korumas\u0131 nas\u0131l \u00e7al\u0131\u015f\u0131r?\">DDoS korumas\u0131 nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#Katman_34_ve_katman_7_saldirilari_arasindaki_fark_nedir\" title=\"Katman 3\/4 ve katman 7 sald\u0131r\u0131lar\u0131 aras\u0131ndaki fark nedir?\">Katman 3\/4 ve katman 7 sald\u0131r\u0131lar\u0131 aras\u0131ndaki fark nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#Kac_Gbps_koruma_kapasitesi_yeterlidir\" title=\"Ka\u00e7 Gbps koruma kapasitesi yeterlidir?\">Ka\u00e7 Gbps koruma kapasitesi yeterlidir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#DDoS_korumali_VDS_ile_CDN_tabanli_koruma_arasindaki_fark_nedir\" title=\"DDoS korumal\u0131 VDS ile CDN tabanl\u0131 koruma aras\u0131ndaki fark nedir?\">DDoS korumal\u0131 VDS ile CDN tabanl\u0131 koruma aras\u0131ndaki fark nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#Hangi_projeler_DDoS_korumali_sunucuya_ihtiyac_duyar\" title=\"Hangi projeler DDoS korumal\u0131 sunucuya ihtiya\u00e7 duyar?\">Hangi projeler DDoS korumal\u0131 sunucuya ihtiya\u00e7 duyar?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#Saldiri_aninda_hangi_adimlar_izlenmeli\" title=\"Sald\u0131r\u0131 an\u0131nda hangi ad\u0131mlar izlenmeli?\">Sald\u0131r\u0131 an\u0131nda hangi ad\u0131mlar izlenmeli?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#DDoS_korumali_VDS_secerken_nelere_dikkat_edilmeli\" title=\"DDoS korumal\u0131 VDS se\u00e7erken nelere dikkat edilmeli?\">DDoS korumal\u0131 VDS se\u00e7erken nelere dikkat edilmeli?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/verimin.com.tr\/blog\/ddos-korumali-vds\/#Ozet\" title=\"\u00d6zet\">\u00d6zet<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DDoS_saldirisi_bir_sunucuyu_nasil_etkiler\"><\/span>DDoS sald\u0131r\u0131s\u0131 bir sunucuyu nas\u0131l etkiler?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">DDoS sald\u0131r\u0131s\u0131, sunucunun s\u0131n\u0131rl\u0131 kaynaklar\u0131n\u0131 doldurarak ger\u00e7ek kullan\u0131c\u0131lar\u0131n eri\u015fimini engeller. Etki genellikle ani kapanma de\u011fil, yava\u015flama ve ba\u011flant\u0131 zaman a\u015f\u0131m\u0131 olarak ba\u015flar.<\/p><p class=\"wp-block-paragraph\">T\u00fckenen kaynak \u00fc\u00e7 noktadan biridir. Birincisi hatt\u0131n bant geni\u015fli\u011fidir: gelen trafik kapasiteyi a\u015f\u0131nca me\u015fru paketler s\u0131raya bile giremez. \u0130kincisi i\u015fletim sistemindeki ba\u011flant\u0131 tablosudur; tamamlanmam\u0131\u015f ba\u011flant\u0131lar tabloyu doldurur. \u00dc\u00e7\u00fcnc\u00fcs\u00fc uygulama katman\u0131d\u0131r: web sunucusu ve veritaban\u0131 i\u015flem havuzu dolar, yan\u0131t s\u00fcresi saniyelerle \u00f6l\u00e7\u00fclmeye ba\u015flar.<\/p><p class=\"wp-block-paragraph\">Korumas\u0131z bir sunucuda en can s\u0131k\u0131c\u0131 sonu\u00e7 \u00fcst sa\u011flay\u0131c\u0131n\u0131n devreye girmesidir. Sald\u0131r\u0131 hacmi veri merkezinin kapasitesini tehdit edince ilgili IP adresi karadeli\u011fe (null route) al\u0131n\u0131r. Bu i\u015flem \u00e7o\u011funlukla 1-24 saat s\u00fcrer ve sald\u0131r\u0131 bitse bile sunucu eri\u015filemez kal\u0131r. DDoS korumal\u0131 VDS&#8217;te ama\u00e7 tam olarak bunu \u00f6nlemektir: trafik filtrelenir, IP kapat\u0131lmaz. Kesintinin maliyeti de sat\u0131\u015f kayb\u0131yla s\u0131n\u0131rl\u0131 kalmaz; arama motoru botlar\u0131 art arda 5xx hatas\u0131 ald\u0131\u011f\u0131nda tarama s\u0131kl\u0131\u011f\u0131 d\u00fc\u015fer. Sald\u0131r\u0131 t\u00fcrlerinin genel mant\u0131\u011f\u0131n\u0131 <a href=\"https:\/\/verimin.com.tr\/blog\/ddos-nedir\/\">DDoS sald\u0131r\u0131s\u0131n\u0131n ne oldu\u011funu anlatan yaz\u0131m\u0131zda<\/a> bulabilirsiniz.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DDoS_korumali_VDS_ne_demek\"><\/span>DDoS korumal\u0131 VDS ne demek?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">DDoS korumal\u0131 VDS, standart bir sanal sunucuya ek olarak sa\u011flay\u0131c\u0131n\u0131n a\u011f seviyesinde trafik temizleme (scrubbing) hizmeti sundu\u011fu pakettir. Sunucunun donan\u0131m\u0131 ve y\u00f6netim \u015fekli de\u011fi\u015fmez; de\u011fi\u015fen tek \u015fey trafi\u011fin izledi\u011fi yoldur.<\/p><p class=\"wp-block-paragraph\">Bu yap\u0131da t\u00fcm trafik \u00f6nce filtreleme merkezine girer, zararl\u0131 paketler d\u00fc\u015f\u00fcr\u00fcl\u00fcr, yaln\u0131zca temiz trafik sunucuya iletilir. Koruma iki \u015fekilde \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. S\u00fcrekli a\u00e7\u0131k (always-on) modda trafik her zaman filtreden ge\u00e7er ve tepki s\u00fcresi neredeyse s\u0131f\u0131rd\u0131r. \u0130stek \u00fczerine (on-demand) modda trafik normalde do\u011frudan akar; sald\u0131r\u0131 tespit edilince y\u00f6nlendirme yap\u0131l\u0131r ve bu ge\u00e7i\u015f genellikle 30-180 saniye s\u00fcrer.<\/p><p class=\"wp-block-paragraph\">DDoS korumal\u0131 VDS&#8217;in neyi kapsamad\u0131\u011f\u0131n\u0131 bilmek de \u00f6nemlidir. Hizmet, hacimsel ve protokol tabanl\u0131 eri\u015fim engelleme giri\u015fimlerine kar\u015f\u0131d\u0131r. Uygulama a\u00e7\u0131klar\u0131, parola denemeleri ve i\u00e7erik kaz\u0131ma kapsam d\u0131\u015f\u0131ndad\u0131r; bunlar i\u00e7in g\u00fcncel yaz\u0131l\u0131m, g\u00fc\u00e7l\u00fc kimlik do\u011frulama ve ayr\u0131 bir web uygulama g\u00fcvenlik duvar\u0131 gerekir.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir.avif\" alt=\"Kar\u0131\u015f\u0131k trafi\u011fin filtreden ge\u00e7ip temiz trafi\u011fe d\u00f6n\u00fc\u015fmesi\" class=\"wp-image-1828\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-nasil-calisir-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DDoS_korumasi_nasil_calisir\"><\/span>DDoS korumas\u0131 nas\u0131l \u00e7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">DDoS korumas\u0131 d\u00f6rt a\u015famal\u0131 bir d\u00f6ng\u00fcd\u00fcr: izleme, tespit, y\u00f6nlendirme ve temizleme. D\u00f6ng\u00fc otomatik i\u015fler; operat\u00f6r ekibi yaln\u0131zca al\u0131\u015f\u0131lmad\u0131k durumlarda devreye girer.<\/p><p class=\"wp-block-paragraph\">\u0130zleme a\u015famas\u0131nda y\u00f6nlendiriciler ak\u0131\u015f verisi \u00fcretir ve trafi\u011fin normal profili \u00e7\u0131kar\u0131l\u0131r. Profil paket\/saniye, bit\/saniye, kaynak \u00fclke da\u011f\u0131l\u0131m\u0131 ve protokol oranlar\u0131ndan olu\u015fur. Tespit a\u015famas\u0131nda anl\u0131k de\u011ferler bu profille kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r ve sapma alarm \u00fcretir. Y\u00f6nlendirme a\u015famas\u0131nda trafik, BGP anonsu veya DNS y\u00f6nlendirmesiyle temizleme merkezine \u00e7ekilir.<\/p><figure class=\"wp-block-table\"><table><thead><tr><th>A\u015fama<\/th><th>Yap\u0131lan i\u015f<\/th><th>Tipik s\u00fcre<\/th><\/tr><\/thead><tbody><tr><td>\u0130zleme<\/td><td>Ak\u0131\u015f verisi toplama, normal profil \u00e7\u0131karma<\/td><td>S\u00fcrekli<\/td><\/tr><tr><td>Tespit<\/td><td>E\u015fik ve anomali kar\u015f\u0131la\u015ft\u0131rmas\u0131, alarm \u00fcretimi<\/td><td>1-60 saniye<\/td><\/tr><tr><td>Y\u00f6nlendirme<\/td><td>Trafi\u011fin temizleme merkezine \u00e7ekilmesi<\/td><td>0-180 saniye<\/td><\/tr><tr><td>Temizleme<\/td><td>Filtreleme ve temiz trafi\u011fin iletilmesi<\/td><td>Sald\u0131r\u0131 boyunca<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">Filtreleme basitten karma\u015f\u0131\u011fa ilerler. \u00d6nce ge\u00e7ersiz veya sahte kaynakl\u0131 paketler at\u0131l\u0131r, sonra oran s\u0131n\u0131rlama (rate limiting) uygulan\u0131r. Ard\u0131ndan protokol do\u011frulamas\u0131 yap\u0131l\u0131r ve el s\u0131k\u0131\u015fmay\u0131 tamamlamayan ba\u011flant\u0131lar elenir. Son ad\u0131mda davran\u0131\u015fsal analiz devreye girer. DDoS korumal\u0131 VDS kullan\u0131rken bu zincirin ne kadar\u0131n\u0131n otomatik \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 sa\u011flay\u0131c\u0131ya sorman\u0131z gerekir. Yanl\u0131\u015f pozitif riski her zaman vard\u0131r; iyi bir sa\u011flay\u0131c\u0131 kural setini trafi\u011finize g\u00f6re ayarlaman\u0131za izin verir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Katman_34_ve_katman_7_saldirilari_arasindaki_fark_nedir\"><\/span>Katman 3\/4 ve katman 7 sald\u0131r\u0131lar\u0131 aras\u0131ndaki fark nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Katman 3\/4 sald\u0131r\u0131lar\u0131 a\u011f ve ta\u015f\u0131ma katman\u0131n\u0131 hedefler ve hacimle \u00f6l\u00e7\u00fcl\u00fcr; katman 7 sald\u0131r\u0131lar\u0131 uygulama katman\u0131n\u0131 hedefler ve istek say\u0131s\u0131yla \u00f6l\u00e7\u00fcl\u00fcr. Bu ayr\u0131m hem savunma y\u00f6ntemini hem gereken kapasiteyi belirler.<\/p><p class=\"wp-block-paragraph\">Katman 3\/4 giri\u015fimlerinde ama\u00e7 hatt\u0131 veya ba\u011flant\u0131 tablosunu doldurmakt\u0131r; birim Gbps ve Mpps&#8217;tir. Bu trafik i\u00e7erik a\u00e7\u0131s\u0131ndan anlams\u0131zd\u0131r, bu y\u00fczden a\u011f kenar\u0131nda g\u00f6rece kolay ay\u0131klan\u0131r. Katman 7 giri\u015fimlerinde ise her istek teknik olarak ge\u00e7erli bir HTTP iste\u011fidir; birim istek\/saniyedir (RPS). Ay\u0131rt etmek i\u00e7in TLS ba\u011flant\u0131s\u0131n\u0131n sonland\u0131r\u0131lmas\u0131 ve istek i\u00e7eri\u011finin incelenmesi gerekir.<\/p><figure class=\"wp-block-table\"><table><thead><tr><th>\u00d6l\u00e7\u00fct<\/th><th>Katman 3\/4<\/th><th>Katman 7<\/th><\/tr><\/thead><tbody><tr><td>Hedef<\/td><td>Bant geni\u015fli\u011fi, ba\u011flant\u0131 tablosu<\/td><td>Web sunucusu, veritaban\u0131<\/td><\/tr><tr><td>\u00d6l\u00e7\u00fc birimi<\/td><td>Gbps, Mpps<\/td><td>RPS, e\u015fzamanl\u0131 oturum<\/td><\/tr><tr><td>Ay\u0131rt etme zorlu\u011fu<\/td><td>D\u00fc\u015f\u00fck<\/td><td>Y\u00fcksek<\/td><\/tr><tr><td>Gereken ara\u00e7<\/td><td>A\u011f kenar\u0131 filtreleme<\/td><td>WAF, oturum s\u0131n\u0131rlama, \u00f6nbellek<\/td><\/tr><tr><td>Tipik hacim<\/td><td>Y\u00fcksek<\/td><td>D\u00fc\u015f\u00fck, kaynak t\u00fcketimi a\u011f\u0131r<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">\u00d6nemli bir ayr\u0131nt\u0131 var: k\u00fc\u00e7\u00fck paketlerle \u00fcretilen 1 Gbps trafik, b\u00fcy\u00fck paketlerle \u00fcretilen 10 Gbps trafikten daha zorlay\u0131c\u0131 olabilir. Y\u00f6nlendiriciyi yoran \u015fey saniyedeki paket say\u0131s\u0131d\u0131r. Bu nedenle DDoS korumal\u0131 VDS paketlerinde yaln\u0131zca Gbps de\u011ferine bakmak yan\u0131lt\u0131c\u0131d\u0131r; pps s\u0131n\u0131r\u0131n\u0131 da sorun.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kac_Gbps_koruma_kapasitesi_yeterlidir\"><\/span>Ka\u00e7 Gbps koruma kapasitesi yeterlidir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">\u00c7o\u011fu kurumsal site ve <a href=\"https:\/\/verimin.com.tr\/eticaret-hosting\" data-internallinksmanager029f6b8e52c=\"5\" title=\"e-ticaret hosting\">e-ticaret<\/a> projesi i\u00e7in 10-20 Gbps aral\u0131\u011f\u0131ndaki bir koruma e\u015fi\u011fi pratikte yeterlidir. Yine de do\u011fru soru ka\u00e7 Gbps de\u011fil, e\u015fik a\u015f\u0131l\u0131nca ne oluyor sorusudur.<\/p><p class=\"wp-block-paragraph\">Sa\u011flay\u0131c\u0131 ilanlar\u0131nda iki rakam birbirine kar\u0131\u015f\u0131r. Birincisi toplam a\u011f veya temizleme merkezi kapasitesidir; y\u00fczlerce Gbps olabilir ama t\u00fcm m\u00fc\u015fteriler aras\u0131nda payla\u015f\u0131l\u0131r. \u0130kincisi hesab\u0131n\u0131z i\u00e7in garanti edilen e\u015fiktir. S\u00f6zle\u015fmede ba\u011flay\u0131c\u0131 olan ikincisidir. DDoS korumal\u0131 VDS al\u0131rken bu iki de\u011feri ayr\u0131 ayr\u0131 ve yaz\u0131l\u0131 isteyin.<\/p><p class=\"wp-block-paragraph\">E\u015fik a\u015f\u0131ld\u0131\u011f\u0131nda \u00fc\u00e7 davran\u0131\u015f g\u00f6r\u00fcl\u00fcr: sa\u011flay\u0131c\u0131 en iyi \u00e7aba ilkesiyle filtrelemeye devam eder, trafi\u011fi s\u0131n\u0131rlar ya da IP adresini karadeli\u011fe al\u0131r. \u00dc\u00e7\u00fcnc\u00fc senaryo, koruma sat\u0131n alm\u0131\u015f olman\u0131za ra\u011fmen kesinti ya\u015faman\u0131z demektir. Ayl\u0131k sald\u0131r\u0131 say\u0131s\u0131 limitini ve kapasite y\u00fckseltmenin ne kadar s\u00fcrd\u00fc\u011f\u00fcn\u00fc de sorun.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DDoS_korumali_VDS_ile_CDN_tabanli_koruma_arasindaki_fark_nedir\"><\/span>DDoS korumal\u0131 VDS ile CDN tabanl\u0131 koruma aras\u0131ndaki fark nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Temel fark kapsamd\u0131r: CDN tabanl\u0131 koruma yaln\u0131zca HTTP ve HTTPS trafi\u011fini kapsar, DDoS korumal\u0131 VDS ise sunucuya gelen t\u00fcm protokolleri IP seviyesinde korur. \u0130kisi rakip de\u011fil, farkl\u0131 katmanlarda \u00e7al\u0131\u015fan tamamlay\u0131c\u0131 \u00e7\u00f6z\u00fcmlerdir.<\/p><p class=\"wp-block-paragraph\">CDN yakla\u015f\u0131m\u0131nda alan ad\u0131n\u0131z CDN sa\u011flay\u0131c\u0131s\u0131na y\u00f6nlendirilir ve ziyaret\u00e7iler \u00f6nce onun a\u011f\u0131na gelir. Model, statik i\u00e7erik \u00f6nbelle\u011fi ve katman 7 filtrelemesi i\u00e7in g\u00fc\u00e7l\u00fcd\u00fcr. Zay\u0131f noktas\u0131 kaynak sunucunun IP adresidir. Bu adres eski DNS kay\u0131tlar\u0131 veya sertifika kay\u0131tlar\u0131 \u00fczerinden g\u00f6r\u00fcn\u00fcr hale gelirse koruma tamamen atlanabilir. \u00d6nlemek i\u00e7in sunucu g\u00fcvenlik duvar\u0131 yaln\u0131zca CDN IP bloklar\u0131na izin vermelidir.<\/p><figure class=\"wp-block-table\"><table><thead><tr><th>\u00d6l\u00e7\u00fct<\/th><th>DDoS korumal\u0131 VDS<\/th><th>CDN tabanl\u0131 koruma<\/th><\/tr><\/thead><tbody><tr><td>Kapsanan trafik<\/td><td>T\u00fcm TCP\/UDP portlar\u0131<\/td><td>Yaln\u0131zca HTTP\/HTTPS<\/td><\/tr><tr><td>Koruma noktas\u0131<\/td><td>IP ve a\u011f seviyesi<\/td><td><a href=\"https:\/\/verimin.com.tr\/alan-adi\" data-internallinksmanager029f6b8e52c=\"1\" title=\"domain\">Alan ad\u0131<\/a> ve uygulama seviyesi<\/td><\/tr><tr><td>Atlat\u0131lma riski<\/td><td>D\u00fc\u015f\u00fck<\/td><td>Kaynak IP s\u0131zarsa y\u00fcksek<\/td><\/tr><tr><td>Web d\u0131\u015f\u0131 servisler<\/td><td>Korunur<\/td><td>Korunmaz<\/td><\/tr><tr><td>\u0130\u00e7erik h\u0131zland\u0131rma<\/td><td>Yok<\/td><td>Var<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">Oyun sunucusu, VoIP, e-posta veya \u00f6zel bir TCP\/UDP servisi \u00e7al\u0131\u015ft\u0131r\u0131yorsan\u0131z CDN tek ba\u015f\u0131na yetmez. En sa\u011flam kurgu, a\u011f katman\u0131nda DDoS korumal\u0131 VDS ile uygulama katman\u0131nda CDN ve WAF&#8217;\u0131n birlikte kullan\u0131lmas\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci.avif\" alt=\"E-ticaret, oyun, finans ve medya projelerini kapsayan koruma katman\u0131\" class=\"wp-image-1827\" srcset=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci.avif 1672w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-300x169.avif 300w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-1024x576.avif 1024w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-768x432.avif 768w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-1536x864.avif 1536w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-195x110.avif 195w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-390x220.avif 390w, https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/ddos-koruma-ihtiyaci-1170x658.avif 1170w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hangi_projeler_DDoS_korumali_sunucuya_ihtiyac_duyar\"><\/span>Hangi projeler DDoS korumal\u0131 sunucuya ihtiya\u00e7 duyar?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Eri\u015filebilirli\u011fi do\u011frudan gelire d\u00f6n\u00fc\u015fen ve daha \u00f6nce hedef olmu\u015f projeler DDoS korumal\u0131 sunucuya ihtiya\u00e7 duyar. \u00d6l\u00e7\u00fct trafik b\u00fcy\u00fckl\u00fc\u011f\u00fc de\u011fil, bir saatlik kesintinin maliyetidir.<\/p><ul class=\"wp-block-list\"><li><strong>E-ticaret siteleri:<\/strong> Kampanya d\u00f6nemlerinde kesinti hem sat\u0131\u015f hem itibar kayb\u0131d\u0131r.<\/li><li><strong>Oyun ve ger\u00e7ek zamanl\u0131 uygulamalar:<\/strong> UDP tabanl\u0131 servisler klasik web korumas\u0131n\u0131n d\u0131\u015f\u0131nda kal\u0131r, gecikmeye \u00e7ok duyarl\u0131d\u0131r.<\/li><li><strong>Finans ve \u00f6deme arac\u0131lar\u0131:<\/strong> Hedef olma olas\u0131l\u0131\u011f\u0131 ve d\u00fczenleyici beklentiler y\u00fcksektir.<\/li><li><strong>Haber ve medya siteleri:<\/strong> G\u00fcndem yo\u011funlu\u011fuyla sald\u0131r\u0131 riski ayn\u0131 anda artar.<\/li><li><strong>SaaS ve genel eri\u015fime a\u00e7\u0131k API&#8217;ler:<\/strong> Tek bir u\u00e7 noktan\u0131n yava\u015flamas\u0131 t\u00fcm m\u00fc\u015fterileri etkiler.<\/li><li><strong>Forum ve topluluk platformlar\u0131:<\/strong> Kullan\u0131c\u0131 anla\u015fmazl\u0131klar\u0131 s\u0131k \u015fekilde altyap\u0131ya y\u00f6nelir.<\/li><\/ul><p class=\"wp-block-paragraph\">\u0130\u00e7 kullan\u0131ma a\u00e7\u0131k paneller ve d\u00fc\u015f\u00fck trafikli tan\u0131t\u0131m siteleri i\u00e7in DDoS korumal\u0131 VDS \u00e7o\u011fu zaman gereksizdir; IP bazl\u0131 eri\u015fim k\u0131s\u0131t\u0131 ve temel g\u00fcvenlik duvar\u0131 yeterli olur. Yine de ayn\u0131 a\u011f segmentini payla\u015ft\u0131\u011f\u0131n\u0131z bir kom\u015fu hedef al\u0131nd\u0131\u011f\u0131nda sizin de etkilenebilece\u011finizi unutmay\u0131n.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Saldiri_aninda_hangi_adimlar_izlenmeli\"><\/span>Sald\u0131r\u0131 an\u0131nda hangi ad\u0131mlar izlenmeli?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Sald\u0131r\u0131 an\u0131nda ilk ad\u0131m te\u015fhistir: durumun ger\u00e7ekten sald\u0131r\u0131 m\u0131, yoksa trafik art\u0131\u015f\u0131 ya da uygulama hatas\u0131 m\u0131 oldu\u011fu do\u011frulanmal\u0131d\u0131r. Yanl\u0131\u015f te\u015fhis saatlerin bo\u015fa gitmesine yol a\u00e7ar.<\/p><ol class=\"wp-block-list\"><li><strong>Metrikleri kar\u015f\u0131la\u015ft\u0131r\u0131n.<\/strong> Bant geni\u015fli\u011fi, saniyedeki paket say\u0131s\u0131, a\u00e7\u0131k ba\u011flant\u0131 say\u0131s\u0131 ve uygulama istek say\u0131s\u0131n\u0131 ayn\u0131 anda inceleyin. Hat doluysa a\u011f katman\u0131, CPU doluysa uygulama katman\u0131 \u00f6ndedir.<\/li><li><strong>Kay\u0131t al\u0131n.<\/strong> Grafikleri, eri\u015fim kay\u0131tlar\u0131n\u0131 ve zaman damgalar\u0131n\u0131 saklay\u0131n; bu veriler hem analizde hem hukuki s\u00fcre\u00e7te gerekir.<\/li><li><strong>Sa\u011flay\u0131c\u0131ya bildirin.<\/strong> Talebi IP adresi, ba\u015flang\u0131\u00e7 saati ve g\u00f6zlenen belirtilerle a\u00e7\u0131n; kritik durumda acil kanal\u0131 kullan\u0131n.<\/li><li><strong>Uygulama taraf\u0131n\u0131 hafifletin.<\/strong> Tam sayfa \u00f6nbelle\u011fini a\u00e7\u0131n, a\u011f\u0131r sorgu \u00fcreten u\u00e7 noktalar\u0131 ge\u00e7ici kapat\u0131n, oturum ba\u015f\u0131na oran s\u0131n\u0131r\u0131 uygulay\u0131n.<\/li><li><strong>DNS TTL de\u011ferini d\u00fc\u015f\u00fcr\u00fcn.<\/strong> 300 saniye gibi k\u0131sa bir de\u011fer, y\u00f6nlendirme gerekirse ge\u00e7i\u015fi h\u0131zland\u0131r\u0131r.<\/li><li><strong>Ani kararlardan ka\u00e7\u0131n\u0131n.<\/strong> IP de\u011fi\u015ftirmek kal\u0131c\u0131 \u00e7\u00f6z\u00fcm de\u011fildir; sunucuyu kapatmak ise kay\u0131tlar\u0131 yok eder.<\/li><li><strong>Tehdit mesajlar\u0131na yan\u0131t vermeyin.<\/strong> \u00d6deme veya pazarl\u0131k talebi i\u00e7eren mesajlar\u0131 sa\u011flay\u0131c\u0131n\u0131za ve yetkili birimlere iletin.<\/li><\/ol><p class=\"wp-block-paragraph\">Sald\u0131r\u0131 bittikten sonra de\u011ferlendirme yap\u0131n: hangi katman hedef al\u0131nd\u0131, tepki ka\u00e7 dakikada verildi, hangi e\u015fik yetersiz kald\u0131? DDoS korumal\u0131 VDS kullan\u0131yorsan\u0131z sa\u011flay\u0131c\u0131dan sald\u0131r\u0131 raporu isteyin ve filtre e\u015fiklerini bu rapora g\u00f6re g\u00fcncelleyin.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DDoS_korumali_VDS_secerken_nelere_dikkat_edilmeli\"><\/span>DDoS korumal\u0131 VDS se\u00e7erken nelere dikkat edilmeli?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">DDoS korumal\u0131 VDS se\u00e7iminde belirleyici olan reklamdaki Gbps rakam\u0131 de\u011fil, s\u00f6zle\u015fmedeki taahh\u00fctlerdir. Karar vermeden \u00f6nce a\u015fa\u011f\u0131daki ba\u015fl\u0131klara yaz\u0131l\u0131 yan\u0131t al\u0131n.<\/p><p class=\"wp-block-paragraph\"><strong>Koruma modeli ve kapsam.<\/strong> Koruma s\u00fcrekli a\u00e7\u0131k m\u0131, istek \u00fczerine mi? Yaln\u0131zca katman 3\/4 m\u00fc kapsan\u0131yor, katman 7 filtrelemesi dahil mi ve ayr\u0131 m\u0131 \u00fccretlendiriliyor?<\/p><p class=\"wp-block-paragraph\"><strong>E\u015fikler ve a\u015f\u0131m davran\u0131\u015f\u0131.<\/strong> Garanti edilen Gbps ve pps de\u011ferleri nedir? E\u015fik a\u015f\u0131l\u0131nca filtreleme s\u00fcr\u00fcyor mu, IP karadeli\u011fe mi al\u0131n\u0131yor? Karadelik s\u00fcresi ka\u00e7 saat ve elle kald\u0131r\u0131labiliyor mu?<\/p><p class=\"wp-block-paragraph\"><strong>Tespit ve m\u00fcdahale.<\/strong> Otomatik tespit ka\u00e7 saniyede devreye giriyor? 7\/24 destek ger\u00e7ekten insan deste\u011fi mi, yoksa yaln\u0131zca bilet sistemi mi?<\/p><p class=\"wp-block-paragraph\"><strong>Lokasyon ve gecikme.<\/strong> Kullan\u0131c\u0131lar\u0131n\u0131z T\u00fcrkiye&#8217;deyse yurt i\u00e7i bir veri merkezi tipik olarak 10-30 ms gecikme sa\u011flar. Kaynak ve lokasyon se\u00e7enekleri i\u00e7in <a href=\"https:\/\/verimin.com.tr\/sanal-sunucu\">Verimin sanal sunucu paketlerini<\/a> inceleyebilirsiniz.<\/p><p class=\"wp-block-paragraph\"><strong>Sunucu kaynaklar\u0131.<\/strong> Katman 7 bask\u0131s\u0131nda dayan\u0131kl\u0131l\u0131\u011f\u0131 vCPU, RAM ve disk h\u0131z\u0131 belirler. Yetersiz kaynakl\u0131 bir DDoS korumal\u0131 VDS, filtreden ge\u00e7en me\u015fru yo\u011funluk alt\u0131nda bile zorlan\u0131r.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ozet\"><\/span>\u00d6zet<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li>DDoS korumal\u0131 VDS, trafi\u011fi sunucuya ula\u015fmadan a\u011f kenar\u0131nda filtreleyen sanal sunucudur; koruma sunucunun i\u00e7inde de\u011fil, sa\u011flay\u0131c\u0131n\u0131n altyap\u0131s\u0131ndad\u0131r.<\/li><li>Katman 3\/4 sald\u0131r\u0131lar\u0131 Gbps ve Mpps ile, katman 7 sald\u0131r\u0131lar\u0131 istek\/saniye ile \u00f6l\u00e7\u00fcl\u00fcr; ikisi farkl\u0131 savunma ara\u00e7lar\u0131 gerektirir.<\/li><li>Kapasitede kritik soru ka\u00e7 Gbps de\u011fil, e\u015fik a\u015f\u0131ld\u0131\u011f\u0131nda filtrelemenin s\u00fcr\u00fcp s\u00fcrmedi\u011fidir.<\/li><li>CDN tabanl\u0131 koruma yaln\u0131zca HTTP\/HTTPS trafi\u011fini kapsar; web d\u0131\u015f\u0131 servisler i\u00e7in a\u011f seviyesinde koruma \u015fartt\u0131r.<\/li><li>Sald\u0131r\u0131 an\u0131nda s\u0131ra te\u015fhis, kay\u0131t alma, sa\u011flay\u0131c\u0131ya bildirim ve uygulama taraf\u0131n\u0131 hafifletmedir; IP de\u011fi\u015ftirmek kal\u0131c\u0131 \u00e7\u00f6z\u00fcm de\u011fildir.<\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>DDoS korumal\u0131 VDS nedir, koruma nas\u0131l \u00e7al\u0131\u015f\u0131r? Katman 3\/4 ve 7 fark\u0131, kapasite e\u015fikleri, CDN kar\u015f\u0131la\u015ft\u0131rmas\u0131 ve sa\u011flay\u0131c\u0131 se\u00e7im kriterleri.<\/p>\n","protected":false},"author":1,"featured_media":1829,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[176],"tags":[],"class_list":["post-1725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vds-rehberi"],"_links":{"self":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=1725"}],"version-history":[{"count":3,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1725\/revisions"}],"predecessor-version":[{"id":1850,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1725\/revisions\/1850"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media\/1829"}],"wp:attachment":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}