{"id":2097,"date":"2021-04-15T17:25:00","date_gmt":"2021-04-15T14:25:00","guid":{"rendered":"https:\/\/www.niobehosting.com\/blog\/?p=2097"},"modified":"2023-12-25T13:07:54","modified_gmt":"2023-12-25T10:07:54","slug":"ssl-nedir","status":"publish","type":"post","link":"https:\/\/www.niobehosting.com\/blog\/ssl-nedir\/","title":{"rendered":"SSL Nedir?"},"content":{"rendered":"\n<p><strong>SSL teknolojisi hakk\u0131nda internet \u00fczerinde yapt\u0131\u011f\u0131m\u0131z aramalarda, \u00e7ok dolu ama a\u015f\u0131r\u0131 teknik bilgi i\u00e7eren anlat\u0131mlara denk geldik. \u201cWeb teknolojileri ile \u00e7ok i\u00e7 i\u00e7e olmayan ki\u015filerin de bu teknolojiyi basit \u015fekli ile anlamaya hakk\u0131 var\u201d diyerek bu yaz\u0131y\u0131 kaleme almak istedik.<\/strong> Yine de o standart tan\u0131m\u0131 yap\u0131yoruz. Fakat, yaz\u0131m\u0131z\u0131 okumaya devam etti\u011finizde, SSL teknolojisine ciddi oranda hakim olmu\u015f olacaks\u0131n\u0131z. \u0130ngilizce \u201cSecure Socket Layer\u201d terimi, k\u0131salt\u0131larak \u201cSSL\u201d \u015feklinde adland\u0131r\u0131lmaktad\u0131r. Dilimizdeki en do\u011fru terc\u00fcmesi ise \u201cG\u00fcvenli Giri\u015f Katman\u0131\u201d \u015feklindedir.<\/p>\n\n\n\n<p>SSL, internete ba\u011fland\u0131\u011f\u0131n\u0131z web taray\u0131c\u0131lar\u0131n\u0131n ve ba\u011flanmak istedi\u011finiz sunucunun birlikte kulland\u0131\u011f\u0131 bir teknolojidir. SSL kullan\u0131m\u0131nda sunucu k\u0131sm\u0131nda bir \u201cPrivate Key\u201d \u00e7al\u0131\u015f\u0131r. \u0130stemci yani browser k\u0131sm\u0131nda ise \u201cPublic Key\u201d ad\u0131 verilen ba\u015fka bir \u015fifreleme yaz\u0131l\u0131m\u0131 \u00e7al\u0131\u015f\u0131r. Bu iki anahtar \u00fczerinden de \u015fifrelenmi\u015f verileriniz iletilir. Yani siz SSL sertifikal\u0131 bir web sitesine ba\u011flanmak istedi\u011finizde, t\u00fcm verileriniz (girdi\u011finiz \u015fifre, kart bilgisi gibi) \u015fifrelenerek sitenin yay\u0131n yapt\u0131\u011f\u0131 sunucuya iletilir. Bu sayede internetteki&nbsp; g\u00fcvenli\u011finizi bir nebze daha artt\u0131rm\u0131\u015f olursunuz. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"300\" src=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/http-https-protocol-connection-ssl-encryption.jpg\" alt=\"HTTP vs. HTTPS\" class=\"wp-image-2154\" srcset=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/http-https-protocol-connection-ssl-encryption.jpg 750w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/http-https-protocol-connection-ssl-encryption-300x120.jpg 300w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/http-https-protocol-connection-ssl-encryption-100x40.jpg 100w, https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/http-https-protocol-connection-ssl-encryption-700x280.jpg 700w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">HTTP vs. HTTPS<\/figcaption><\/figure>\n\n\n\n<p>SSL kullan\u0131m\u0131nda, taray\u0131c\u0131n\u0131z\u0131n SSL protokol\u00fcn\u00fc desteklemesi \u015fartt\u0131r. Google Chorme ba\u015fta olmak \u00fczere, t\u00fcm modern internet taray\u0131c\u0131lar\u0131, SSL protokol\u00fcn\u00fc destekler. &nbsp;Bir sitenin SSL kullan\u0131p, kullanmad\u0131\u011f\u0131n\u0131 anlamak i\u00e7in; alan ad\u0131n\u0131n ba\u015f\u0131na \u201cHTTPS\u201d eklemeniz yeterlidir. \u00d6rne\u011fin; <a href=\"https:\/\/www.niobehosting.com\/blog\/\">https:\/\/www.niobehosting.com\/blog\/<\/a> sitesine eri\u015febiliyorsan\u0131z ve adres \u00e7ubu\u011funun sol \u00fcst k\u0131sm\u0131nda \u201cg\u00fcvenli\u201d ifadesi bulunuyor (veya kilit i\u015fareti ya da ye\u015fil tik i\u015fareti bulunuyor) ise bu site ge\u00e7erli bir SSL sertifikas\u0131na sahip demektir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL <strong>Ne Ama\u00e7la Kullan\u0131l\u0131r?<\/strong><\/h2>\n\n\n\n<p>Yukar\u0131daki paragrafta da belirtti\u011fimiz \u00fczere, SSL\u2019in kullan\u0131lma amac\u0131; veri gizlili\u011finizi korumakt\u0131r. \u00d6zellikle e-ticaret sitelerinde, al\u0131\u015fveri\u015f esnas\u0131nda girmek zorunda oldu\u011funuz ki\u015fisel bilgilerinizin ve kart bilgilerinizin gizlili\u011finin korunmas\u0131 \u00e7ok \u00f6nemlidir. Bu bilgileri ele ge\u00e7iren k\u00f6t\u00fc niyetli ki\u015filer, ad\u0131n\u0131za \u00e7evrimi\u00e7i \u00f6demeler yaparak sizi maddi zarara u\u011fratabilir.<\/p>\n\n\n\n<p>Hi\u00e7bir banka ve \u00f6deme kurulu\u015fu, SSL sertifikas\u0131 olmayan bir\nweb sitesine \u00f6deme ekran\u0131 sa\u011flamaz. Sitenizde kredi ya da banka kart\u0131 ile \u00f6deme\nalabilmek i\u00e7in, en az 256 bit SSL sertifikas\u0131 edinmeniz gerekmektedir.<\/p>\n\n\n\n<p>E-ticaret siteleri d\u0131\u015f\u0131ndaki normal sitelerin de veri gizlili\u011fi a\u00e7\u0131s\u0131ndan SSL kullanmalar\u0131 olduk\u00e7a m\u00fchimdir. Zira kullan\u0131c\u0131lar\u0131n oturum a\u00e7abildi\u011fi web sitelerinde SSL sertifikas\u0131 kullan\u0131lmas\u0131 durumunda, kullan\u0131c\u0131 taraf\u0131ndan girilen bilgiler \u015fifrelenerek iletilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL <strong>Nas\u0131l Kurulur?<\/strong><\/h2>\n\n\n\n<p>E\u011fer Niobehosting m\u00fc\u015fterisi iseniz, bu yaz\u0131y\u0131 okumaya gerek\nkalmadan, diledi\u011finiz SSL sertifikas\u0131n\u0131n kurulumunu yapmak i\u00e7in bizimle\nirtibata ge\u00e7ebilirsiniz. Firmam\u0131zdan edindi\u011finiz t\u00fcm SSL sertifikalar\u0131n\u0131n\nkurulumunu \u00fccretsiz ger\u00e7ekle\u015ftirmekteyiz. SSL sertifikas\u0131 tekliflerimizi\nincelemek ve m\u00fc\u015fterimiz olmak i\u00e7in <a href=\"https:\/\/www.niobehosting.com\/ssl\/\">BURAYA<\/a>\nt\u0131klayabilirsiniz. <\/p>\n\n\n\n<p>cPanel hosting y\u00f6netim paneli kullanan bir hosting hesab\u0131n\u0131z\nvar ise, hi\u00e7bir yard\u0131m almadan ve para \u00f6demeden \u201cEncrypt SSL\u201d kullanman\u0131z da\nm\u00fcmk\u00fcnd\u00fcr. &nbsp;Bu i\u015flemi nas\u0131l\nger\u00e7ekle\u015ftirece\u011finizi a\u015fa\u011f\u0131da ad\u0131m ad\u0131m anlat\u0131yoruz. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cPanel\u2019deki arama kutusuna \u201cSecurity\u201d ya da\n\u201cG\u00fcvenlik\u201d yazarak, a\u00e7\u0131lan b\u00f6l\u00fcmde \u201cLet\u2019s Encrypt\u201d butonuna t\u0131klay\u0131n. <\/li>\n\n\n\n<li>A\u00e7\u0131lan sayfada alan ad\u0131n\u0131z\u0131n yan\u0131ndaki\n\u201cSertifika Olu\u015ftur\u201d butonuna t\u0131klay\u0131n.<\/li>\n\n\n\n<li>S\u0131radaki pencerede ise \u201cDahil Edilsin mi?\u201d\nb\u00f6l\u00fcm\u00fcndeki \u201cmail.alanadniz.com\u201d ve \u201cwww.alanadiniz.com\u201d&nbsp; se\u00e7eneklerindeki kutucuklar\u0131 i\u015faretleyin.<\/li>\n\n\n\n<li>\u201ccPanel Eri\u015fim Servislerini Dahil Et\u201d k\u0131sm\u0131ndaki\nkutucu\u011fu, hosting kaynaklar\u0131n\u0131z yeterli ise i\u015faretleyin. Bu alanda i\u015faretleme\nyapman\u0131z halinde; \u201ccpanel.alanadiniz.com\u201d ve \u201cwebmail.alanadiniz.com\u201d gibi\nsubdomain adresleriniz de SSL sertifikas\u0131 kullan\u0131r. Tamamen opsiyoneldir ve\ngenelde tercih edilmez.<\/li>\n\n\n\n<li>\u201cL\u00fctfen SSL do\u011frulama y\u00f6ntemini se\u00e7in. (Tamam\u0131\notomatik \u00e7al\u0131\u015fmaktad\u0131r):\u201d k\u0131sm\u0131nda; \u201chttp-01\u201d se\u00e7ene\u011fini i\u015faretleyin.<\/li>\n\n\n\n<li>\u201cSertifika Olu\u015ftur\u201d butonuna t\u0131klay\u0131n. Her \u015feyi\ndo\u011fru yapt\u0131ysan\u0131z SSL sertifikan\u0131z ba\u015far\u0131l\u0131 bir \u015fekilde kurulmu\u015f olacakt\u0131r.<\/li>\n<\/ul>\n\n\n\n<p>Ayn\u0131 i\u015flemi DirectAdmin panelinizde de ger\u00e7ekle\u015ftirebilmeniz\nm\u00fcmk\u00fcnd\u00fcr. DirectAdmin Let&#8217;s Encrypt kurulumu i\u00e7in de a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 takip\nedebilirsiniz.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DirectAdmin panelinize kullan\u0131c\u0131 giri\u015fi yap\u0131n ve\n\u201cHesap Y\u00f6netimi\u201d b\u00f6l\u00fcm\u00fcnden \u201cSSL Sertifika Y\u00f6netimi\u201d butonuna t\u0131klay\u0131n.<\/li>\n\n\n\n<li>A\u00e7\u0131lan ekrandaki sekmede SSL sertifikas\u0131\nkuraca\u011f\u0131n\u0131z alan ad\u0131n\u0131 se\u00e7in. <\/li>\n\n\n\n<li>Alt k\u0131s\u0131mda \u201c\u00dccretsiz ve otomatik Let\u2019s Encrypt\u201d\nse\u00e7ene\u011fini i\u015faretleyin.<\/li>\n\n\n\n<li>\u201cBilinen Ad\u201d k\u0131sm\u0131nda domaininizi se\u00e7in ve\n\u201cGenel Arama\u201d kutusunu i\u015faretlemeyin. <\/li>\n\n\n\n<li>\u201cAnahtar Boyutu (bit)\u201d k\u0131sm\u0131nda \u201c4096\u201d\nse\u00e7ene\u011finin se\u00e7ili oldu\u011fundan emin olun.<\/li>\n\n\n\n<li>\u201cSertifika T\u00fcr\u00fc\u201d k\u0131sm\u0131nda ise \u201cSHA256\u201d\nse\u00e7ene\u011fini se\u00e7in.<\/li>\n\n\n\n<li>\u201cLet&#8217;s Encrypt SSL Certificate Entries\u201d kutusunu\nbo\u015f b\u0131rak\u0131n.<\/li>\n\n\n\n<li>Alt k\u0131s\u0131mda SSL kurulmas\u0131n\u0131 istedi\u011finiz alt alan\nadlar\u0131n\u0131 se\u00e7in.<\/li>\n\n\n\n<li>\u201cKAYDET\u201d butonuna t\u0131klay\u0131n.<\/li>\n\n\n\n<li>\u201calanadiniz.com has been created successfully!\u201d\nmesaj\u0131n\u0131 g\u00f6rd\u00fcyseniz, \u00fccretsiz SSL kurulumunuz ger\u00e7ekle\u015fmi\u015f demektir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">SSL T\u00fcrleri ve Do\u011frulama Y\u00f6ntemleri Nelerdir?<\/h2>\n\n\n\n<p>Piyasada farkl\u0131 fiyatlarda ve \u00f6zelliklerde SSL sertifikas\u0131 t\u00fcrleri bulunmaktad\u0131r. \u201cHangi SSL sertifikas\u0131n\u0131 kullanmal\u0131y\u0131m?\u201d sorusuna verilecek cevap, tamamen sizin ihtiya\u00e7lar\u0131n\u0131z ile alakal\u0131d\u0131r. A\u015fa\u011f\u0131da SSL sertifikalar\u0131n\u0131 \u00fc\u00e7 ba\u015fl\u0131k alt\u0131nda inceleyerek bu soruya yan\u0131t bulman\u0131z\u0131 sa\u011flamaya \u00e7al\u0131\u015ft\u0131k.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>DV SSL (Domain Validation)<\/strong><\/h3>\n\n\n\n<p><strong>An\u0131nda kurulan SSL\nsertifikalar\u0131n\u0131n ve \u00fccretsiz SSL sertifikalar\u0131n\u0131n tamam\u0131 DV SSL sertifikas\u0131d\u0131r.\nBu sertifika t\u00fcr\u00fcnde sadece alan ad\u0131 do\u011frulan\u0131r.<\/strong> \u201cAlan Ad\u0131 Do\u011frulanm\u0131\u015f\nSertifika\u201d olarak da terc\u00fcme edilebilir. <\/p>\n\n\n\n<p>Hosting sa\u011flayan firma taraf\u0131ndan sa\u011flanan bilgilerinin\notomatik olarak teyit edilmesinin ard\u0131ndan, sertifikan\u0131n kurulumu sa\u011flan\u0131r. <\/p>\n\n\n\n<p>DV SSL kullanmak, bir SSL sertifikas\u0131na sahip olman\u0131n en ekonomik ve en \u00e7abuk yoludur.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.niobehosting.com\/domain-sorgulama\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/domain-satin-al.gif\" alt=\"\" class=\"wp-image-4413\"\/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>OV SSL (Organization Validation)<\/strong><\/h3>\n\n\n\n<p>E\u011fer bir SSL sertifikas\u0131n\u0131 sat\u0131n almak istedi\u011finizde,\nsertifikay\u0131 sa\u011flayan firma kurulum s\u00fcresi i\u00e7in birka\u00e7 g\u00fcn m\u00fchlet istiyor ise; o\nsertifika b\u00fcy\u00fck ihtimal ile OV SSL yani \u201cKurulu\u015f Taraf\u0131ndan Onaylanm\u0131\u015f\u201d SSL\nsertifikas\u0131d\u0131r. OV SSL sertifikas\u0131nda verileriniz \u015fifrelenmekle kalmaz, ziyaret\netti\u011finiz sitenin ger\u00e7ek bir firma olup olmad\u0131\u011f\u0131 da teyit edilir.<\/p>\n\n\n\n<p><strong>OV SSL sertifikas\u0131\nsa\u011flamaya yetkili kurulu\u015f; firman\u0131z\u0131n telefonunu, fiziksel adresini, Whois\nbilgilerini, sertifikaya ba\u015fvuran ki\u015finin firma ad\u0131na karar verme yetkisi olup\nolmad\u0131\u011f\u0131n\u0131 do\u011frular. <\/strong>Dolay\u0131s\u0131 ile OV SSL sertifikas\u0131, sertifika kontrol\u00fc\nyapan bir t\u00fcketiciye daha fazla g\u00fcven verebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>EV SSL (Extended Validation)<\/strong><\/h3>\n\n\n\n<p>Kurumsal firmalar taraf\u0131ndan tercih edilen ve piyasadaki en\ng\u00fcvenlikli SSL sertifikas\u0131 olan EV SSL sertifikas\u0131nda; OVL SSL sertifikalar\u0131na\ng\u00f6re daha \u00e7ok do\u011frulama i\u015flemi yap\u0131lmaktad\u0131r.<\/p>\n\n\n\n<p><strong>Bir EV SSL sahibi\nolman\u0131z i\u00e7in, SSL sertifikas\u0131 sa\u011flayan kurulu\u015f; yapt\u0131\u011f\u0131n\u0131z i\u015fin hukuki olup\nolmad\u0131\u011f\u0131n\u0131 da denetler. \u00d6rne\u011fin warez i\u00e7erikler yay\u0131nlayan bir web sitesine EV\nSSL alman\u0131z m\u00fcmk\u00fcn de\u011fildir.<\/strong><\/p>\n\n\n\n<p>Chorme taray\u0131c\u0131lar\u0131n \u201cye\u015fil \u00e7ubuk\u201d olarak adland\u0131r\u0131lan bar\u0131 kald\u0131rmas\u0131 nedeni ile talebin azald\u0131\u011f\u0131 bu sertifika t\u00fcr\u00fc; en pahal\u0131 SSL sertifikas\u0131d\u0131r. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>Wilcard SSL Sertifikas\u0131<\/strong><\/h3>\n\n\n\n<p>Alan ad\u0131n\u0131zdaki t\u00fcm subdomainler i\u00e7in SSL sertifikas\u0131 alman\u0131z\u0131 sa\u011flar. \u00d6rne\u011fin WordPress Multi Site ile bir web sitesi kurdu\u011funuzda, t\u00fcm subdomainleriniz i\u00e7in SSL sertifikas\u0131 istiyorsan\u0131z, Wilcard SSL Sertifikalar\u0131n\u0131 tercih etmelisiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>Multi \u2013 Domain SSL Sertifikas\u0131 <\/strong><\/h3>\n\n\n\n<p>Genelde bir sunucuda kendine ait birden fazla web sitesi bar\u0131nd\u0131ran webmasterlar taraf\u0131ndan tercih edilir. Sunucuya kurulan bu SSL sertifikalar\u0131, serverdaki t\u00fcm alan adlar\u0131nda kullan\u0131labilir. Para tasarrufu sa\u011flamas\u0131 nedeni ile tercih edilmektedir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL ve <strong>SEO \u0130li\u015fkisi<\/strong><\/h2>\n\n\n\n<p>Bu konuda d\u00fcnyadaki tan\u0131nm\u0131\u015f SEO uzmanlar\u0131n\u0131n farkl\u0131\ng\u00f6r\u00fc\u015fleri vard\u0131r. <strong>Hi\u00e7bir uzman \u201ctek ba\u015f\u0131na\nSSL sertifikas\u0131 kullanmak SEO i\u00e7in vazge\u00e7ilmez unsurdur\u201d demez ama \u201cSSL SEO\netkisi\u201d durumunu da inkar etmez.<\/strong> Zira SEO; y\u00fczlerce unsurun bir araya\ngetirilerek yap\u0131ld\u0131\u011f\u0131 bir \u00e7al\u0131\u015fmad\u0131r ve SSL kullan\u0131m\u0131 bunlardan biridir.<\/p>\n\n\n\n<p>\u0130nternet \u00fczerinde EV SSL kulland\u0131\u011f\u0131 i\u00e7in \u201cal\u0131\u015fveri\u015f\u201d gibi iddial\u0131 kelimelerde ilk s\u0131ralarda olan siteler, SSL kullan\u0131m\u0131n\u0131n \u00f6nemini g\u00f6stermek i\u00e7in \u00f6rnek g\u00f6sterilmektedir. Ama bu yaz\u0131lar\u0131n hi\u00e7birinde, s\u00f6z konusu sitelerin di\u011fer SEO ve marka bilinirli\u011fi \u00e7al\u0131\u015fmalar\u0131n\u0131 ne derece ba\u015far\u0131l\u0131 yapt\u0131klar\u0131ndan bahsedilmemektedir.<\/p>\n\n\n\n<p>S\u00f6z\u00fcn \u00f6z\u00fc; <strong>SSL kullan\u0131m\u0131, hatta OV SSL ya da EV SSL kullan\u0131m\u0131; SEO\u2019ya olumlu etki eder. Lakin amiyane tabir ile \u201ctek numaras\u0131 SSL kullanmak\u201d olan bir web sitesinin, sadece SSL kulland\u0131\u011f\u0131 i\u00e7in, s\u0131ralamalarda \u00fcstte olmas\u0131n\u0131n imkan\u0131 yoktur.<\/strong> SSL kullanmak, SEO unsurlar\u0131ndan sadece bir tanesidir.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-wp-embed is-provider-niobe-hosting wp-block-embed-niobe-hosting is-provider-niobehosting\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"UJPoCBTPvE\"><a href=\"https:\/\/www.niobehosting.com\/blog\/seo\/\">SEO Nedir? Nas\u0131l Yap\u0131l\u0131r?<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;SEO Nedir? Nas\u0131l Yap\u0131l\u0131r?&#8221; &#8212; Niobe Hosting\" src=\"https:\/\/www.niobehosting.com\/blog\/seo\/embed\/#?secret=UJPoCBTPvE\" data-secret=\"UJPoCBTPvE\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>HSTS<\/strong><\/h2>\n\n\n\n<p>Web sitenize SSL sertifikas\u0131 ekleyip 301 y\u00f6nlendirmesi\nyapm\u0131\u015f olsan\u0131z bile, sitenizin SSL sertifikas\u0131z s\u00fcr\u00fcm\u00fcne (yani \u201cHTTP\u201d s\u00fcr\u00fcm\u00fcne)\neri\u015fim m\u00fcmk\u00fcnd\u00fcr. Sitenizi ziyaret eden kullan\u0131c\u0131lar, \u201cHTTP\u201d ile ba\u015flayan\nadresinize gitti\u011finde, veri aktar\u0131mlar\u0131n\u0131n tamam\u0131 g\u00fcvensiz protokolden\nger\u00e7ekle\u015fir.<\/p>\n\n\n\n<p>Ancak <strong>HSTS politikas\u0131\nsayesinde ziyaret\u00e7inin web taray\u0131c\u0131s\u0131; sitenize yaln\u0131zca \u201cHTTPS\u201d ile\nba\u011flan\u0131labilece\u011fi konusunda uyar\u0131l\u0131r. Ayr\u0131ca HSTS\u2019yi etkinle\u015ftiren siteler daha\nh\u0131zl\u0131 a\u00e7\u0131ld\u0131\u011f\u0131 i\u00e7in, SEO\u2019ya da fayda etti\u011fi d\u00fc\u015f\u00fcn\u00fclmektedir.<\/strong><\/p>\n\n\n\n<p>Sitenizde HSTS politikas\u0131n\u0131 etkinle\u015ftirmek i\u00e7in \u201c.htaccess\u201d\ndosyas\u0131na t\u0131rnak i\u015faretleri aras\u0131ndaki kodu eklemeniz yeterlidir:<\/p>\n\n\n\n<p>\u201cStrict-Transport-Security: max-age=31536000; includeSubDomains\u201d<\/p>\n\n\n\n<p><strong>Yukar\u0131daki kodu\nilgili dosyaya ekledi\u011finizde, bir y\u0131l boyunca siteniz sadece HTTPS protokol\u00fc\n\u00fczerinden \u00e7al\u0131\u015f\u0131r. HSTS politikas\u0131n\u0131 aktif etti\u011finizde dikkat etmeniz gereken\nen \u00f6nemli unsur; sa\u011fl\u0131kl\u0131 \u00e7al\u0131\u015fan bir SSL sertifikan\u0131z\u0131n olmas\u0131 ve bu\nsertifikan\u0131n t\u00fcm subdomainlerinizde de \u00e7al\u0131\u015f\u0131yor olmas\u0131d\u0131r. Zira HTTPS\nprotokol\u00fcn\u00fcn \u00e7al\u0131\u015fmad\u0131\u011f\u0131 hi\u00e7bir alt alan ad\u0131n\u0131za hi\u00e7bir \u015fekilde eri\u015fim\nsa\u011flanamaz.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SSL ve <strong>HTTP\/2 \u0130li\u015fkisi<\/strong><\/h2>\n\n\n\n<p>HTTP teknolojisi asl\u0131nda \u00e7o\u011fu webmaster (hatta yaz\u0131l\u0131mc\u0131) taraf\u0131ndan bilinmese de; \u201cHTTP\/1.x\u201d olarak ifade edilmelidir. Buradaki \u201c1.x\u201d ifadesi; HTTP\u2019nin s\u00fcr\u00fcm\u00fcd\u00fcr. Bu a\u00e7\u0131klamadan anlayaca\u011f\u0131n\u0131z \u00fczere \u201cHTTP\/2\u201d asl\u0131nda \u201c2.0\u201d s\u00fcr\u00fcm anlam\u0131na gelmektedir.<\/p>\n\n\n\n<p>2012 y\u0131l\u0131nda geli\u015ftirilmeye ba\u015flanan ve 2015 y\u0131l\u0131ndan beri kullan\u0131labilen bu teknoloji; asl\u0131nda sitelerin daha h\u0131zl\u0131 a\u00e7\u0131lmas\u0131n\u0131 hedeflemektedir. Testler de g\u00f6stermektedir ki; HTTP\/2 protokol\u00fcn\u00fc kullanan siteler, http protokol\u00fc kullanan sitelere g\u00f6re %20 &#8211; %30 aras\u0131nda daha h\u0131zl\u0131 a\u00e7\u0131lmaktad\u0131r. <\/p>\n\n\n\n<p>Peki, \u201cnas\u0131l olur da HTTP\/2 protokol\u00fc kullanan siteler daha\nh\u0131zl\u0131 a\u00e7\u0131l\u0131r?\u201d Asl\u0131nda bu sorunun cevab\u0131 olduk\u00e7a basittir. Bir web sitesini\nziyaret etti\u011finizde; bulundu\u011funuz sayfadaki yaz\u0131, resim, video, ses dosyas\u0131,\nJava kodlar\u0131 gibi unsurlar\u0131n ayr\u0131 ayr\u0131 bir eri\u015fim adresi vard\u0131r. \u00d6rne\u011fin,\nGoogle Adsense ile para kazanma konusunda yazd\u0131\u011f\u0131m\u0131z <a href=\"https:\/\/www.niobehosting.com\/blog\/google-adsense\/\">BU<\/a> yaz\u0131da; yaz\u0131n\u0131n\ngiri\u015finde bulunan foto\u011fraf <a href=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/google-adsense-nedir.jpg\">BU<\/a>\nadreste bar\u0131nd\u0131r\u0131lmaktad\u0131r. Yani taray\u0131c\u0131ya sayfa linkini yazmak yerine, foto\u011fraf\u0131n\nlinkini yazarsan\u0131z; direk olarak salt o foto\u011fraf\u0131n g\u00f6r\u00fcnt\u00fclenece\u011fi sayfaya\ngidersiniz. HTTP\/1 protokol\u00fcnde sayfada bulunan her foto\u011fraf, resim, ses\ndosyas\u0131na eri\u015febilmek i\u00e7in; her adrese dair farkl\u0131 bir istek g\u00f6nderilmesi ve\noturum a\u00e7\u0131lmas\u0131 gerekir. Sayfadan \u00e7\u0131kt\u0131\u011f\u0131n\u0131zda da bu oturumlar\u0131n kapat\u0131lmas\u0131\ngerekmektedir. Hali ile de bu i\u015flemler bir miktar vakit almaktad\u0131r. HTTP\/2\nprotokol\u00fcnde ise, sunucu ile browser aras\u0131nda tek bir ba\u011flant\u0131 kullan\u0131l\u0131r ve\nb\u00fct\u00fcn veri transferi bu ba\u011flant\u0131dan yap\u0131l\u0131r.<\/p>\n\n\n\n<p>Sitenizin HTTP\/2 protokol\u00fcnde \u00e7al\u0131\u015fabilmesi i\u00e7in; hem siteyi bar\u0131nd\u0131rd\u0131\u011f\u0131n\u0131z sunucunun, hem de ziyaret\u00e7inin kulland\u0131\u011f\u0131 internet taray\u0131c\u0131s\u0131n\u0131n HTTP\/2 desteklemesi gerekmektedir. Chorme, Internet Explorer, Microsoft Edge, Firefox ve Opera taraf\u0131ndan bu protokol desteklenmektedir. Ayr\u0131ca mobil taray\u0131c\u0131larda da Chorme\u2019un Android s\u00fcr\u00fcm\u00fcn\u00fcn son versiyonu HTTPS\/2 protokol\u00fcn\u00fc destekler. Sunucunuzun HTTP\/2 destekleyip, desteklemedi\u011fini ise  <span class=\"has-inline-color has-vivid-cyan-blue-color\">https:\/\/tools.keycdn.com\/http2-test t<\/span>\u0131klayarak \u00f6\u011frenebilirsiniz.<\/p>\n\n\n\n<p>HTTP\/1 ve HTTP\/2\u2019yi k\u0131saca a\u00e7\u0131klad\u0131k. HTTP\/2\u2019nin SSL ile\nilintisine gelince; <strong>HTTP\/2 protokol\u00fc\nkullanmak i\u00e7in SSL protokol\u00fc kullanmak mecburi de\u011fildir. Fakat HTTP\/2\nteknolojisi t\u0131pk\u0131 ilk versiyonda oldu\u011fu gibi SSL protokol\u00fcn\u00fc desteklemektedir.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>TLS<\/strong><\/h2>\n\n\n\n<p>\u0130ngilizce \u201c<strong>Transport Layer Security<\/strong>\u201d teriminin ba\u015f harflerinin k\u0131salt\u0131lmas\u0131 ile olu\u015fturulan TLS; dilimize Ta\u015f\u0131ma Katman\u0131 G\u00fcvenli\u011fi olarak \u00e7evrilebilir.<\/p>\n\n\n\n<p><strong>TLS i\u00e7in SSL adl\u0131 teknolojinin daha geli\u015fmi\u015f hali demek en do\u011fru a\u00e7\u0131klama olacakt\u0131r. SSL teknolojisinin baz\u0131 yerlerde yetersiz kalmas\u0131 nedeni ile geli\u015ftirilen TLS; asl\u0131nda \u015fu an kullan\u0131lan ve SSL alt\u0131nda sat\u0131lan teknolojinin yerine ge\u00e7mi\u015ftir. SSL protokol\u00fcnde var olan g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131n neredeyse tamam\u0131 TLS\u2019de giderilmi\u015ftir.<\/strong><\/p>\n\n\n\n<p>Sunucu ayarlar\u0131n\u0131zdan kulland\u0131\u011f\u0131n\u0131z SSL sertifikas\u0131n\u0131n\ns\u00fcr\u00fcm\u00fcn\u00fc devre d\u0131\u015f\u0131 b\u0131rakarak TLS kullanman\u0131z m\u00fcmk\u00fcnd\u00fcr. E\u011fer Niobehosting\u2019den\nhizmet almakta iseniz, teknik ekibimiz bu konuda size yard\u0131mc\u0131 olacakt\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SSL Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><\/h2>\n\n\n\n<p>SSL\u2019in \u00e7al\u0131\u015fma mant\u0131\u011f\u0131 olduk\u00e7a basittir. Bu basit\nteknolojiyi karma\u015f\u0131k hale gelmeden anlatmaya \u00e7al\u0131\u015fal\u0131m.<\/p>\n\n\n\n<p><strong>SSL\u2019i iki adet\nanahtar\u0131 olan bir kilide benzetebilirsiniz. Web sitenize SSL sertifikas\u0131\nkurdu\u011funuzda, asl\u0131nda bir anlamda kilit vurmu\u015f olursunuz. Anahtarlardan biri\nsunucunuzdad\u0131r ve kilitlemek i\u00e7in kullan\u0131l\u0131r. Di\u011fer anahtar ise taray\u0131c\u0131\nk\u0131sm\u0131ndad\u0131r ve ziyaret\u00e7ilerin kilidi a\u00e7mas\u0131 i\u00e7in kullan\u0131l\u0131r. Sitenizi ziyaret\neden ki\u015filer, taray\u0131c\u0131daki anahtar\u0131 kullanarak kilidi a\u00e7ar ve t\u00fcm veriyi bu\nkilitli alandan \u015fifreli olarak g\u00f6nderir. Ayr\u0131ca al\u0131nan veriler de bu kilitli\nalandan ziyaret\u00e7iye iletilir.<\/strong><\/p>\n\n\n\n<p>Olduk\u00e7a karma\u015f\u0131k \u015fekilde anlat\u0131lan bu teknolojinin asl\u0131nda\nyapt\u0131\u011f\u0131 tek \u015fey; \u015fifreli bir alanda, \u015fifreli bilgi transferi yapmakt\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hangi Taray\u0131c\u0131lar SSL\nProtokol\u00fcn\u00fc Desteklemektedir?<\/strong><\/h3>\n\n\n\n<p>Bir SSL sertifikas\u0131 edinmek i\u00e7in para \u00f6demek zorunda\nolunmamas\u0131 ve SSL sertifikalar\u0131n SEO\u2019ya olumlu etkileri nedeni ile SSL sertifikas\u0131\nkullanmayan web sitesi nerede ise kalmam\u0131\u015ft\u0131r. <strong>Bu sebeple, piyasada var olmak isteyen web taray\u0131c\u0131lar\u0131n\u0131n tamam\u0131 SSL\nprotokol\u00fcn\u00fc desteklemektedir.<\/strong><\/p>\n\n\n\n<p><strong>Chorme, Internet\nExpoler, Yandex Browser, Firefox, Opera, Vivaldi, Safari gibi bir\u00e7ok\ntaray\u0131c\u0131n\u0131n son s\u00fcr\u00fcmleri SSL sertifikas\u0131n\u0131 desteklemektedir. <\/strong>SSL\nprotokol\u00fcn\u00fc desteklemeyen taray\u0131c\u0131 neredeyse yok gibidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SSL\u2019in Tarih\u00e7esi ve\nGeli\u015fimi<\/strong><\/h3>\n\n\n\n<p>SSL protokol\u00fc; 1994 y\u0131l\u0131nda internet d\u00fcnyas\u0131na giri\u015f\nyapm\u0131\u015ft\u0131r. 1995 y\u0131l\u0131ndan g\u00fcn\u00fcm\u00fcze kadar ge\u00e7irdi\u011fi teknolojik evrimi a\u015fa\u011f\u0131da\nkronolojik s\u0131ra ile aktar\u0131yoruz.<\/p>\n\n\n\n<p><strong>1994<\/strong><\/p>\n\n\n\n<p>SSL 1.0 s\u00fcr\u00fcm\u00fc, Netscape isimli teknoloji firmas\u0131 taraf\u0131ndan\nicat edilip piyasaya s\u00fcr\u00fcld\u00fc.<\/p>\n\n\n\n<p><strong>1995<\/strong><\/p>\n\n\n\n<p>SSLv2 (ikinci versiyon) olarak adland\u0131r\u0131lan s\u00fcr\u00fcm, Netscape taraf\u0131ndan sanal ma\u011fazalarda kullan\u0131lmak \u00fczere geli\u015ftirildi. Ayr\u0131ca Microsoft; \u201cPTC 1.0\u201d ile hem e-ticaret siteleri i\u00e7in yay\u0131nlanan SSL\u2019in, hem de SSL 1.0\u2019\u0131n g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 kapatt\u0131.<\/p>\n\n\n\n<p>Ayn\u0131 sene SSLv3 s\u00fcr\u00fcm\u00fc ile g\u00fcvenlik zafiyetlerinin \u00e7ok b\u00fcy\u00fck\nbir k\u0131sm\u0131 giderilerek, daha stabil \u00e7al\u0131\u015fmas\u0131 sa\u011fland\u0131 ve tercih edilebilir hale\ngetirildi.<\/p>\n\n\n\n<p><strong>1999<\/strong><\/p>\n\n\n\n<p>1995 ile 1999 y\u0131llar\u0131 aras\u0131nda \u00e7ok ciddi revizyonlar\nya\u015fanmayan SSL teknolojisinde, 1999 y\u0131l\u0131nda Microsoft yeniden sahneye \u00e7\u0131kt\u0131. \u201cTLS\n1.0\u201d s\u00fcr\u00fcm\u00fc ile TLS\u2019yi web d\u00fcnyas\u0131na kazand\u0131ran Microsoft\u2019un bu icad\u0131 SSLv3\nkadar stabil \u00e7al\u0131\u015fmakta idi.<\/p>\n\n\n\n<p><strong>2006<\/strong><\/p>\n\n\n\n<p>Takvimler 2006 y\u0131l\u0131n\u0131 g\u00f6sterirken, 7 y\u0131ll\u0131k bir aradan\nsonra, TLS 1.1 s\u00fcr\u00fcm\u00fc piyasaya s\u00fcr\u00fcld\u00fc.<\/p>\n\n\n\n<p><strong>2007<\/strong><\/p>\n\n\n\n<p>EV SSL sertifikas\u0131 ilk kez piyasaya s\u00fcr\u00fcld\u00fc.<\/p>\n\n\n\n<p><strong>2008<\/strong><\/p>\n\n\n\n<p>TLS 1.2 s\u00fcr\u00fcm\u00fc kullan\u0131ma sunuldu. Fakat bu s\u00fcr\u00fcm TLS\u2019nin\ndi\u011fer iki s\u00fcr\u00fcm\u00fc kadar ilgi g\u00f6rmedi.<\/p>\n\n\n\n<p><strong>2011<\/strong><\/p>\n\n\n\n<p>SSLv2 piyasada tercih edilmemeye ba\u015flad\u0131.<\/p>\n\n\n\n<p><strong>2012<\/strong><\/p>\n\n\n\n<p>HSTS standardizasyonu resmen piyasaya s\u00fcr\u00fcld\u00fc.<\/p>\n\n\n\n<p><strong>2013<\/strong><\/p>\n\n\n\n<p>TLS 1.3 versiyonu i\u00e7in geli\u015ftirmelerin ba\u015fland\u0131\u011f\u0131 internet\nkamuoyuna duyuruldu.<\/p>\n\n\n\n<p><strong>2015<\/strong><\/p>\n\n\n\n<p>SSLv3\u2019e verilen geli\u015ftirme deste\u011fi durduruldu. Yine bu sene Let\u2019s\nEncrypt \u00fccretsiz SSL sertifikas\u0131 kullanmak m\u00fcmk\u00fcn oldu.<\/p>\n\n\n\n<p><strong>2016<\/strong><\/p>\n\n\n\n<p>Google\u2019\u0131n resmi blo\u011funda yap\u0131lan a\u00e7\u0131klamada, t\u00fcm Google\nsunucular\u0131n HSTS kullanmaya ba\u015flad\u0131\u011f\u0131 ilan edildi. T\u00fcm web sitesi sahiplerinin\nSSL sertifikas\u0131 kullanmas\u0131 y\u00f6n\u00fcnde \u00e7a\u011fr\u0131da bulunuldu. Firefox taraf\u0131ndan da\n\u201c\u0130nternette var olan t\u00fcm web sitelerinin yar\u0131s\u0131 SSL kullan\u0131yor\u201d a\u00e7\u0131klamas\u0131\nyap\u0131ld\u0131.<\/p>\n\n\n\n<p><strong>2018<\/strong><\/p>\n\n\n\n<p>2013 y\u0131l\u0131nda yap\u0131lan TLS 1.3 versiyonu geli\u015ftirme\n\u00e7al\u0131\u015fmas\u0131n\u0131 bitti\u011fi ilan edildi. 5 y\u0131l s\u00fcren bu \u00e7al\u0131\u015fma sonucunda internet\nd\u00fcnyas\u0131 TLS 1.3 versiyonunu kullanmaya ba\u015flad\u0131.<\/p>\n\n\n\n<p>Bu yaz\u0131m\u0131z\u0131 bitirdi\u011finize g\u00f6re, SSL ve TLS protokol\u00fc konusunda ayr\u0131nt\u0131l\u0131 bilgi sahibi oldunuz. Blogumuzu ziyaret etmeye devam ederek, web teknolojileri hakk\u0131nda bilgi edinmeye devam edebilirsiniz.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.niobehosting.com\/hosting\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/www.niobehosting.com\/blog\/wp-content\/uploads\/hosting-satin-al.gif\" alt=\"\" class=\"wp-image-4414\"\/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>SSL teknolojisi hakk\u0131nda internet \u00fczerinde yapt\u0131\u011f\u0131m\u0131z aramalarda, \u00e7ok dolu ama a\u015f\u0131r\u0131 teknik bilgi i\u00e7eren anlat\u0131mlara denk geldik. \u201cWeb teknolojileri ile \u00e7ok i\u00e7 i\u00e7e olmayan ki\u015filerin&#8230;<\/p>\n","protected":false},"author":8,"featured_media":2152,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-2097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SSL Nedir? 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