{"id":16012,"date":"2026-07-08T18:20:04","date_gmt":"2026-07-08T15:20:04","guid":{"rendered":"https:\/\/www.ihs.com.tr\/blog\/?p=16012"},"modified":"2026-07-08T18:20:04","modified_gmt":"2026-07-08T15:20:04","slug":"certificate-chain-of-trust-guven-zinciri-nedir","status":"publish","type":"post","link":"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/","title":{"rendered":"Certificate Chain of Trust (G\u00fcven Zinciri) Nedir? Taray\u0131c\u0131lar Bir Sertifikan\u0131n Orijinalli\u011fini Nas\u0131l Sorgular?"},"content":{"rendered":"<p>\u0130nternet taray\u0131c\u0131n\u0131zda bir web sitesini ziyaret etti\u011finizde, adres \u00e7ubu\u011funda beliren k\u00fc\u00e7\u00fck kilit simgesi, o anki ba\u011flant\u0131n\u0131z\u0131n g\u00fcvenli oldu\u011funun bir g\u00f6stergesidir. Bu simge, yaln\u0131zca verilerinizin \u015fifrelendi\u011fi anlam\u0131na gelmez, ayn\u0131 zamanda ba\u011fland\u0131\u011f\u0131n\u0131z sitenin kimli\u011finin do\u011fruland\u0131\u011f\u0131n\u0131 da ifade eder. Peki, taray\u0131c\u0131n\u0131z bu kimlik do\u011frulamas\u0131n\u0131 nas\u0131l bu kadar h\u0131zl\u0131 ve g\u00fcvenilir bir \u015fekilde yapar? Bu karma\u015f\u0131k ama hayati s\u00fcrecin arkas\u0131ndaki teknoloji, &#8220;Certificate Chain of Trust&#8221; yani &#8220;G\u00fcven Zinciri&#8221; olarak adland\u0131r\u0131lan hiyerar\u015fik bir yap\u0131d\u0131r. Bu makalede, dijital sertifikalar\u0131n ne oldu\u011funu, g\u00fcven zincirinin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve bir taray\u0131c\u0131n\u0131n, bir web sitesinin sertifikas\u0131n\u0131n orijinalli\u011fini ad\u0131m ad\u0131m nas\u0131l kontrol etti\u011fini derinlemesine inceleyece\u011fiz.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Tablosu<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a4e8317612ec\" class=\"ez-toc-cssicon-toggle-label\"><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><\/label><input type=\"checkbox\" id=\"ez-toc-cssicon-toggle-item-6a4e8317612ec\" aria-label=\"Toggle\" \/><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.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Dijital-Sertifikalar-ve-Web-Guvenliginin-Temelleri\" >Dijital Sertifikalar ve Web G\u00fcvenli\u011finin Temelleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sayisal-Sertifika-SSLTLS-Sertifikasi-Nedir\" >Say\u0131sal Sertifika (SSL\/TLS Sertifikas\u0131) Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Web-Guvenliginde-Kimlik-Dogrulama-ve-Sifrelemenin-Rolu\" >Web G\u00fcvenli\u011finde Kimlik Do\u011frulama ve \u015eifrelemenin Rol\u00fc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Guvenli-Bir-Baglanti-HTTPS-Neden-Onemlidir\" >G\u00fcvenli Bir Ba\u011flant\u0131 (HTTPS) Neden \u00d6nemlidir?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Certificate-Chain-of-Trust-Guven-Zinciri-Kavrami\" >Certificate Chain of Trust (G\u00fcven Zinciri) Kavram\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Guven-Zinciri-Nedir-ve-Nasil-Calisir\" >G\u00fcven Zinciri Nedir ve Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Guven-Zincirini-Olusturan-Temel-Bilesenler\" >G\u00fcven Zincirini Olu\u015fturan Temel Bile\u015fenler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Zincirdeki-Sertifikalar-Arasindaki-Hiyerarsik-Iliski\" >Zincirdeki Sertifikalar Aras\u0131ndaki Hiyerar\u015fik \u0130li\u015fki<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sertifika-Otoriteleri-Certificate-Authorities-%E2%80%93-CA-ve-Guven-Ekosistemi\" >Sertifika Otoriteleri (Certificate Authorities &#8211; CA) ve G\u00fcven Ekosistemi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sertifika-Otoritesi-CA-Nedir\" >Sertifika Otoritesi (CA) Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sertifika-Otoritelerinin-Gorev-ve-Sorumluluklari\" >Sertifika Otoritelerinin G\u00f6rev ve Sorumluluklar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Tarayicilarin-ve-Isletim-Sistemlerinin-Guvendigi-Kok-Deposu-Trust-Store\" >Taray\u0131c\u0131lar\u0131n ve \u0130\u015fletim Sistemlerinin G\u00fcvendi\u011fi K\u00f6k Deposu (Trust Store)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Tarayicilarin-Bir-Sertifikanin-Orijinalligini-Adim-Adim-Sorgulama-Sureci\" >Taray\u0131c\u0131lar\u0131n Bir Sertifikan\u0131n Orijinalli\u011fini Ad\u0131m Ad\u0131m Sorgulama S\u00fcreci<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Surecin-Baslangici-TLS-El-Sikismasi-TLS-Handshake\" >S\u00fcrecin Ba\u015flang\u0131c\u0131: TLS El S\u0131k\u0131\u015fmas\u0131 (TLS Handshake)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Adim-1-Sunucu-Sertifikasi-ve-Zincirin-Tarayiciya-Sunulmasi\" >Ad\u0131m 1: Sunucu Sertifikas\u0131 ve Zincirin Taray\u0131c\u0131ya Sunulmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Adim-2-Dijital-Imza-Dogrulamasi-ve-Zincirin-Geriye-Dogru-Takibi\" >Ad\u0131m 2: Dijital \u0130mza Do\u011frulamas\u0131 ve Zincirin Geriye Do\u011fru Takibi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Adim-3-Guvenilir-Bir-Kok-Sertifikaya-Ulasma\" >Ad\u0131m 3: G\u00fcvenilir Bir K\u00f6k Sertifikaya Ula\u015fma<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Adim-4-Sertifika-Gecerlilik-Suresinin-Validity-Period-Kontrolu\" >Ad\u0131m 4: Sertifika Ge\u00e7erlilik S\u00fcresinin (Validity Period) Kontrol\u00fc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Adim-5-Alan-Adi-Common-NameSAN-Uyusmazliginin-Kontrolu\" >Ad\u0131m 5: Alan Ad\u0131 (Common Name\/SAN) Uyu\u015fmazl\u0131\u011f\u0131n\u0131n Kontrol\u00fc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Adim-6-Sertifika-Iptal-Durumunun-Revocation-Status-Sorgulanmasi\" >Ad\u0131m 6: Sertifika \u0130ptal Durumunun (Revocation Status) Sorgulanmas\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sik-Karsilasilan-Sertifika-Hatalari-ve-Anlamlari\" >S\u0131k Kar\u015f\u0131la\u015f\u0131lan Sertifika Hatalar\u0131 ve Anlamlar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Guvenilmeyen-Sertifika-Hatasi-Untrusted-Certificate\" >G\u00fcvenilmeyen Sertifika Hatas\u0131 (Untrusted Certificate)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sertifika-Suresi-Doldu-Hatasi-Certificate-Expired\" >Sertifika S\u00fcresi Doldu Hatas\u0131 (Certificate Expired)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Sertifika-Adi-Uyusmazligi-Hatasi-Name-Mismatch\" >Sertifika Ad\u0131 Uyu\u015fmazl\u0131\u011f\u0131 Hatas\u0131 (Name Mismatch)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Iptal-Edilmis-Sertifika-Hatasi-Certificate-Revoked\" >\u0130ptal Edilmi\u015f Sertifika Hatas\u0131 (Certificate Revoked)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Eksik-Ara-Sertifika-Sorunlari-Missing-Intermediate-Certificate\" >Eksik Ara Sertifika Sorunlar\u0131 (Missing Intermediate Certificate)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Dogru-Yapilandirilmis-Bir-Guven-Zincirinin-Isletmeler-Icin-Onemi\" >Do\u011fru Yap\u0131land\u0131r\u0131lm\u0131\u015f Bir G\u00fcven Zincirinin \u0130\u015fletmeler \u0130\u00e7in \u00d6nemi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Kullanici-Guvenini-Saglama-ve-Marka-Itibarini-Koruma\" >Kullan\u0131c\u0131 G\u00fcvenini Sa\u011flama ve Marka \u0130tibar\u0131n\u0131 Koruma<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#E-ticaret-ve-Cevrimici-Islemlerde-Guvenligi-Garanti-Etme\" >E-ticaret ve \u00c7evrimi\u00e7i \u0130\u015flemlerde G\u00fcvenli\u011fi Garanti Etme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Tarayici-Uyarilarini-Onleyerek-Ziyaretci-Kaybinin-Engellenmesi\" >Taray\u0131c\u0131 Uyar\u0131lar\u0131n\u0131 \u00d6nleyerek Ziyaret\u00e7i Kayb\u0131n\u0131n Engellenmesi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Veri-Gizliligi-ve-Yasal-Uyumluluk-KVKK-GDPR\" >Veri Gizlili\u011fi ve Yasal Uyumluluk (KVKK, GDPR)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#SSLTLS-Sertifika-Cozumleri-Icin-Neden-IHS-Telekomu-Tercih-Etmelisiniz\" >SSL\/TLS Sertifika \u00c7\u00f6z\u00fcmleri \u0130\u00e7in Neden \u0130HS Telekom&#8217;u Tercih Etmelisiniz?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Dunyanin-Onde-Gelen-Sertifika-Otoriteleri-ile-Is-Ortakligi\" >D\u00fcnyan\u0131n \u00d6nde Gelen Sertifika Otoriteleri ile \u0130\u015f Ortakl\u0131\u011f\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Farkli-Ihtiyaclara-Yonelik-Zengin-Sertifika-Secenekleri-DV-OV-EV\" >Farkl\u0131 \u0130htiya\u00e7lara Y\u00f6nelik Zengin Sertifika Se\u00e7enekleri (DV, OV, EV)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#724-Uzman-Teknik-Destek-ve-Kurulum-Yardimi\" >7\/24 Uzman Teknik Destek ve Kurulum Yard\u0131m\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Kolay-Yonetim-Paneli-ve-Otomatik-Yenileme-Hatirlatmalari\" >Kolay Y\u00f6netim Paneli ve Otomatik Yenileme Hat\u0131rlatmalar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.ihs.com.tr\/blog\/certificate-chain-of-trust-guven-zinciri-nedir\/#Rekabetci-Fiyatlar-ve-Guvenilir-Hizmet-Anlayisi\" >Rekabet\u00e7i Fiyatlar ve G\u00fcvenilir Hizmet Anlay\u0131\u015f\u0131<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Dijital-Sertifikalar-ve-Web-Guvenliginin-Temelleri\"><\/span>Dijital Sertifikalar ve Web G\u00fcvenli\u011finin Temelleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Modern internetin temelini olu\u015fturan web g\u00fcvenli\u011fi, kullan\u0131c\u0131lar ve web siteleri aras\u0131ndaki veri al\u0131\u015fveri\u015finin gizlili\u011fini ve b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flamaya odaklan\u0131r. Bu g\u00fcvenli ortam\u0131n yarat\u0131lmas\u0131nda dijital sertifikalar, kimlik do\u011frulama ve \u015fifreleme gibi kavramlar kilit rol oynar. Bu unsurlar, online i\u015flemlerin g\u00fcvenli bir \u015fekilde yap\u0131labilmesi i\u00e7in vazge\u00e7ilmez bir altyap\u0131 sunar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sayisal-Sertifika-SSLTLS-Sertifikasi-Nedir\"><\/span>Say\u0131sal Sertifika (SSL\/TLS Sertifikas\u0131) Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Say\u0131sal sertifika, genellikle <a href=\"https:\/\/www.ihs.com.tr\/ssl\/\" target=\"_blank\">SSL<\/a>\/TLS sertifikas\u0131 olarak bilinen, bir web sitesinin kimli\u011fini do\u011frulayan ve sunucu ile istemci (taray\u0131c\u0131) aras\u0131ndaki veri ileti\u015fimini \u015fifreleyen dijital bir kimlik kart\u0131d\u0131r. Bu sertifikalar, bir web sitesinin belirtti\u011fi <a href=\"https:\/\/www.ihs.com.tr\/domain\/alan-adi-domain-tescili.html\" target=\"_blank\">alan ad\u0131<\/a>&#8216;na ger\u00e7ekten sahip oldu\u011funu kan\u0131tlar. \u0130\u00e7erisinde alan ad\u0131 bilgisi, sertifika sahibinin ad\u0131, sertifikan\u0131n ge\u00e7erlilik s\u00fcresi, sertifikay\u0131 d\u00fczenleyen otoritenin bilgileri ve sitenin a\u00e7\u0131k anahtar\u0131 (public key) gibi kritik bilgiler bar\u0131nd\u0131r\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Web-Guvenliginde-Kimlik-Dogrulama-ve-Sifrelemenin-Rolu\"><\/span>Web G\u00fcvenli\u011finde Kimlik Do\u011frulama ve \u015eifrelemenin Rol\u00fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Web g\u00fcvenli\u011fi iki temel prensibe dayan\u0131r: kimlik do\u011frulama ve \u015fifreleme. Kimlik do\u011frulama, ileti\u015fim kurdu\u011funuz web sitesinin ger\u00e7ekten iddia etti\u011fi site olup olmad\u0131\u011f\u0131n\u0131 teyit etme i\u015flemidir. Bu, sahte veya taklit sitelerle (phishing) bilgi payla\u015fman\u0131z\u0131 engeller. \u015eifreleme ise, sunucu ve taray\u0131c\u0131 aras\u0131nda g\u00f6nderilen t\u00fcm verilerin (kredi kart\u0131 bilgileri, \u015fifreler, ki\u015fisel mesajlar vb.) \u00fc\u00e7\u00fcnc\u00fc \u015fah\u0131slar taraf\u0131ndan okunamaz hale getirilmesi s\u00fcrecidir. <a href=\"https:\/\/www.ihs.com.tr\/blog\/tls-ve-ssl-arasindaki-farklar-nelerdir\/\" target=\"_blank\">SSL\/TLS protokolleri<\/a> bu iki i\u015flevi bir araya getirerek g\u00fcvenli bir ileti\u015fim kanal\u0131 olu\u015fturur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guvenli-Bir-Baglanti-HTTPS-Neden-Onemlidir\"><\/span>G\u00fcvenli Bir Ba\u011flant\u0131 (HTTPS) Neden \u00d6nemlidir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir web sitesi adresi &#8220;HTTP&#8221; yerine &#8220;HTTPS&#8221; (Hyper Text Transfer Protocol Secure) ile ba\u015fl\u0131yorsa, bu o sitenin bir SSL sertifikas\u0131 kulland\u0131\u011f\u0131n\u0131 ve ba\u011flant\u0131n\u0131n g\u00fcvenli oldu\u011funu g\u00f6sterir. HTTPS kullan\u0131m\u0131, kullan\u0131c\u0131lar\u0131n ki\u015fisel verilerinin gizlili\u011fini korur, veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flar (verilerin yolda de\u011fi\u015ftirilmesini \u00f6nler) ve kullan\u0131c\u0131lar\u0131n siteye olan g\u00fcvenini art\u0131r\u0131r. Ayr\u0131ca, Google gibi arama motorlar\u0131, HTTPS kullanan siteleri arama sonu\u00e7lar\u0131nda daha \u00fcst s\u0131ralarda g\u00f6stererek <a href=\"https:\/\/www.ihs.com.tr\/blog\/seoda-web-hosting-secimi-onemli-mi\/\" target=\"_blank\">SEO performans\u0131n\u0131<\/a> olumlu y\u00f6nde etkiler.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Certificate-Chain-of-Trust-Guven-Zinciri-Kavrami\"><\/span>Certificate Chain of Trust (G\u00fcven Zinciri) Kavram\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bir taray\u0131c\u0131n\u0131n bir web sitesinin SSL sertifikas\u0131na k\u00f6r\u00fc k\u00f6r\u00fcne g\u00fcvenmesi m\u00fcmk\u00fcn de\u011fildir. G\u00fcven, hiyerar\u015fik bir yap\u0131 \u00fczerine in\u015fa edilir. \u0130\u015fte bu yap\u0131, &#8220;Certificate Chain of Trust&#8221; yani G\u00fcven Zinciri olarak adland\u0131r\u0131l\u0131r. Taray\u0131c\u0131n\u0131n, sunulan sertifikan\u0131n ge\u00e7erli ve g\u00fcvenilir bir kaynaktan geldi\u011fini do\u011frulamak i\u00e7in takip etti\u011fi yoldur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guven-Zinciri-Nedir-ve-Nasil-Calisir\"><\/span>G\u00fcven Zinciri Nedir ve Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u00fcven Zinciri, bir son kullan\u0131c\u0131 sertifikas\u0131n\u0131 (web sitesinin sertifikas\u0131) g\u00fcvenilir bir k\u00f6k sertifikaya ba\u011flayan bir dizi ara sertifikadan olu\u015fan bir listedir. Taray\u0131c\u0131, bir web sitesinin sertifikas\u0131n\u0131 ald\u0131\u011f\u0131nda, bu sertifikan\u0131n imzas\u0131n\u0131 kontrol eder. Bu imza, bir \u00fcst sertifika (genellikle bir ara sertifika) taraf\u0131ndan at\u0131lm\u0131\u015ft\u0131r. Taray\u0131c\u0131, bu ara sertifikan\u0131n imzas\u0131n\u0131 da bir \u00fcsttekine sorar ve bu i\u015flemi, kendi i\u00e7inde zaten g\u00fcvendi\u011fi bir K\u00f6k Sertifika Otoritesi&#8217;ne (Root CA) ula\u015fana kadar tekrar eder. E\u011fer zincirin sonu, taray\u0131c\u0131n\u0131n &#8220;g\u00fcvenilir&#8221; olarak i\u015faretledi\u011fi bir k\u00f6k sertifikaya ula\u015f\u0131yorsa, zincirdeki t\u00fcm sertifikalar ve dolay\u0131s\u0131yla web sitesinin sertifikas\u0131 da g\u00fcvenilir kabul edilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guven-Zincirini-Olusturan-Temel-Bilesenler\"><\/span>G\u00fcven Zincirini Olu\u015fturan Temel Bile\u015fenler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u00fcven Zinciri, her biri farkl\u0131 bir role sahip olan \u00fc\u00e7 temel sertifika t\u00fcr\u00fcnden olu\u015fur. Bu hiyerar\u015fik yap\u0131, g\u00fcvenli\u011fin temelini olu\u015fturur.<\/p>\n<h4>K\u00f6k Sertifika (Root Certificate)<\/h4>\n<p>G\u00fcven zincirinin en \u00fcst halkas\u0131d\u0131r. K\u00f6k sertifikalar, Sertifika Otoriteleri (CA) olarak bilinen son derece g\u00fcvenilir kurulu\u015flara aittir. Bu sertifikalar kendi kendilerini imzalarlar (self-signed) ve i\u015fletim sistemleri ile taray\u0131c\u0131lar\u0131n &#8220;K\u00f6k Deposu&#8221; (Trust Store) ad\u0131 verilen \u00f6zel bir alan\u0131nda \u00f6nceden y\u00fcklenmi\u015f olarak gelirler. Bir taray\u0131c\u0131n\u0131n bir k\u00f6k sertifikaya g\u00fcvenmesi, o k\u00f6k taraf\u0131ndan imzalanan veya o k\u00f6ke zincirle ba\u011flanan t\u00fcm di\u011fer sertifikalara da g\u00fcvenece\u011fi anlam\u0131na gelir.<\/p>\n<h4>Ara Sertifika (Intermediate Certificate)<\/h4>\n<p>Ara sertifikalar, g\u00fcvenilir k\u00f6k sertifikalar ile sunuculara y\u00fcklenen son kullan\u0131c\u0131 sertifikalar\u0131 aras\u0131nda bir k\u00f6pr\u00fc g\u00f6revi g\u00f6r\u00fcrler. Bir K\u00f6k CA, g\u00fcvenlik nedeniyle son kullan\u0131c\u0131 sertifikalar\u0131n\u0131 do\u011frudan imzalamaz. Bunun yerine, bir veya daha fazla ara sertifika olu\u015fturur ve bunlar\u0131 imzalar. Bu ara sertifikalar da daha sonra son kullan\u0131c\u0131 sertifikalar\u0131n\u0131 imzalama yetkisine sahip olur. Bu katmanl\u0131 yap\u0131, k\u00f6k sertifikan\u0131n g\u00fcvenli\u011fini art\u0131r\u0131r; bir ara sertifika tehlikeye girerse, sadece o ara sertifikan\u0131n imzalad\u0131\u011f\u0131 sertifikalar etkilenir, k\u00f6k sertifikan\u0131n kendisi g\u00fcvende kal\u0131r.<\/p>\n<h4>Son Kullan\u0131c\u0131 Sertifikas\u0131 (End-Entity \/ Server Certificate)<\/h4>\n<p>Bu sertifika, do\u011frudan bir web sitesine veya sunucuya y\u00fcklenen ve o alan ad\u0131n\u0131n kimli\u011fini do\u011frulamak i\u00e7in kullan\u0131lan sertifikad\u0131r. Bir <a href=\"https:\/\/www.ihs.com.tr\/blog\/sunucu-nedir-ne-ise-yarar\/\" target=\"_blank\">sunucu<\/a>, bir taray\u0131c\u0131dan g\u00fcvenli bir ba\u011flant\u0131 talebi ald\u0131\u011f\u0131nda bu sertifikay\u0131 ve onu k\u00f6ke ba\u011flayan ara sertifikalar\u0131 taray\u0131c\u0131ya sunar. Bizlerin bir web sitesi i\u00e7in sat\u0131n ald\u0131\u011f\u0131 SSL sertifikas\u0131, bu son kullan\u0131c\u0131 sertifikas\u0131d\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zincirdeki-Sertifikalar-Arasindaki-Hiyerarsik-Iliski\"><\/span>Zincirdeki Sertifikalar Aras\u0131ndaki Hiyerar\u015fik \u0130li\u015fki<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u00fcven zincirindeki ili\u015fkiyi bir aile a\u011fac\u0131na benzetebiliriz. K\u00f6k sertifika ailenin en ya\u015fl\u0131 ve herkes taraf\u0131ndan tan\u0131nan (g\u00fcvenilen) b\u00fcy\u00fc\u011f\u00fcd\u00fcr. Ara sertifikalar, bu b\u00fcy\u00fckten yetki alan \u00e7ocuklar\u0131d\u0131r. Son kullan\u0131c\u0131 sertifikalar\u0131 ise bu \u00e7ocuklar\u0131n imzalay\u0131p kefil oldu\u011fu torunlard\u0131r. Bir torunun (son kullan\u0131c\u0131 sertifikas\u0131) aileye ait oldu\u011funu do\u011frulamak i\u00e7in soy a\u011fac\u0131n\u0131 takip ederek en tepedeki tan\u0131nan b\u00fcy\u00fc\u011fe (k\u00f6k sertifika) ula\u015fmak gerekir. Bu hiyerar\u015fi, g\u00fcvenin en tepeden en alta do\u011fru aktar\u0131lmas\u0131n\u0131 sa\u011flar.<\/p>\n<div class=\"karsilastirma\">\n<table>\n<thead>\n<tr>\n<th>Sertifika Bile\u015feni<\/th>\n<th>\u0130mzalayan<\/th>\n<th>Amac\u0131<\/th>\n<th>Bulundu\u011fu Yer<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>K\u00f6k Sertifika<\/strong><\/td>\n<td>Kendisi (Self-Signed)<\/td>\n<td>G\u00fcven zincirinin ba\u015flang\u0131\u00e7 noktas\u0131n\u0131 olu\u015fturmak.<\/td>\n<td>Taray\u0131c\u0131\/\u0130\u015fletim Sistemi K\u00f6k Deposu (Trust Store)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ara Sertifika<\/strong><\/td>\n<td>K\u00f6k Sertifika veya ba\u015fka bir Ara Sertifika<\/td>\n<td>K\u00f6k sertifikay\u0131 korumak ve son kullan\u0131c\u0131 sertifikalar\u0131n\u0131 imzalamak.<\/td>\n<td>Sunucu taraf\u0131ndan taray\u0131c\u0131ya g\u00f6nderilir.<\/td>\n<\/tr>\n<tr>\n<td><strong>Son Kullan\u0131c\u0131 Sertifikas\u0131<\/strong><\/td>\n<td>Ara Sertifika<\/td>\n<td>Belirli bir alan ad\u0131n\u0131n kimli\u011fini do\u011frulamak ve \u015fifreleme anahtar\u0131n\u0131 sa\u011flamak.<\/td>\n<td>Web sunucusuna y\u00fcklenir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sertifika-Otoriteleri-Certificate-Authorities-%E2%80%93-CA-ve-Guven-Ekosistemi\"><\/span>Sertifika Otoriteleri (Certificate Authorities &#8211; CA) ve G\u00fcven Ekosistemi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0130nternet \u00fczerindeki g\u00fcvenin temel ta\u015f\u0131, Sertifika Otoriteleri&#8217;dir (CA). Bu kurulu\u015flar, dijital sertifikalar\u0131 yay\u0131nlayan ve y\u00f6neten, tarafs\u0131z ve g\u00fcvenilir \u00fc\u00e7\u00fcnc\u00fc partilerdir. G\u00fcven zincirinin i\u015flemesi ve taray\u0131c\u0131lar\u0131n hangi sitelere g\u00fcvenece\u011fini bilmesi, bu otoritelerin varl\u0131\u011f\u0131na ve titiz \u00e7al\u0131\u015fmalar\u0131na ba\u011fl\u0131d\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sertifika-Otoritesi-CA-Nedir\"><\/span>Sertifika Otoritesi (CA) Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sertifika Otoritesi (CA), bir alan ad\u0131n\u0131n veya bir kurulu\u015fun kimli\u011fini do\u011frulamak ve bu kimli\u011fi bir dijital sertifika ile ili\u015fkilendirmek i\u00e7in yetkilendirilmi\u015f bir organizasyondur. \u00d6rne\u011fin, IHS Telekom bir <a href=\"https:\/\/www.ihs.com.tr\/domain-sorgulama\" target=\"_blank\">domain sorgulama<\/a> ile sat\u0131n ald\u0131\u011f\u0131n\u0131z alan ad\u0131 i\u00e7in bir SSL sertifikas\u0131 ba\u015fvurusunda bulundu\u011funda, Digicert, Sectigo gibi bir CA, ba\u015fvuran\u0131n o alan ad\u0131n\u0131n me\u015fru sahibi oldu\u011funu teyit etmek i\u00e7in \u00e7e\u015fitli do\u011frulama s\u00fcre\u00e7leri y\u00fcr\u00fct\u00fcr. Do\u011frulama ba\u015far\u0131l\u0131 oldu\u011funda, CA kendi \u00f6zel anahtar\u0131yla (private key) sertifikay\u0131 dijital olarak imzalar ve yay\u0131nlar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sertifika-Otoritelerinin-Gorev-ve-Sorumluluklari\"><\/span>Sertifika Otoritelerinin G\u00f6rev ve Sorumluluklar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir CA&#8217;n\u0131n temel sorumluluklar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li><b>Kimlik Do\u011frulama:<\/b> Sertifika ba\u015fvurusunda bulunan ki\u015fi veya kurumun kimli\u011fini ve alan ad\u0131 sahipli\u011fini do\u011frulamak. Bu do\u011frulama seviyesi, DV (Domain Validation), OV (Organization Validation) ve <a href=\"https:\/\/www.ihs.com.tr\/ssl\/ev-ssl.html\" target=\"_blank\">EV (Extended Validation) SSL<\/a> gibi farkl\u0131 sertifika t\u00fcrlerine g\u00f6re de\u011fi\u015fiklik g\u00f6sterir.<\/li>\n<li><b>Sertifika Yay\u0131nlama:<\/b> Do\u011frulama s\u00fcreci tamamland\u0131ktan sonra, g\u00fcvenli bir \u015fekilde dijital sertifika olu\u015fturmak ve imzalamak.<\/li>\n<li><b>Sertifika \u0130ptali Y\u00f6netimi:<\/b> Bir sertifikan\u0131n \u00f6zel anahtar\u0131 \u00e7al\u0131nd\u0131\u011f\u0131nda, s\u00fcresi dolmadan \u00f6nce ge\u00e7ersiz k\u0131l\u0131nmas\u0131 gerekti\u011finde veya ba\u015fka bir g\u00fcvenlik ihlali durumunda, bu sertifikalar\u0131 iptal etmek ve iptal durumunu CRL (Certificate Revocation List) veya OCSP (Online Certificate Status Protocol) yoluyla kamuya duyurmak.<\/li>\n<li><b>Kay\u0131t Tutma:<\/b> Yay\u0131nlanan ve iptal edilen t\u00fcm sertifikalar\u0131n g\u00fcvenli kay\u0131tlar\u0131n\u0131 tutmak.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Tarayicilarin-ve-Isletim-Sistemlerinin-Guvendigi-Kok-Deposu-Trust-Store\"><\/span>Taray\u0131c\u0131lar\u0131n ve \u0130\u015fletim Sistemlerinin G\u00fcvendi\u011fi K\u00f6k Deposu (Trust Store)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir CA&#8217;n\u0131n g\u00fcvenilir kabul edilmesi i\u00e7in, k\u00f6k sertifikas\u0131n\u0131n b\u00fcy\u00fck taray\u0131c\u0131 (Chrome, Firefox, Safari) ve i\u015fletim sistemi (Windows, macOS, Android, iOS) \u00fcreticileri taraf\u0131ndan kabul edilmesi gerekir. Bu \u00fcreticiler, CA&#8217;lar\u0131 s\u0131k\u0131 denetimlerden ge\u00e7irirler ve yaln\u0131zca belirli g\u00fcvenlik standartlar\u0131n\u0131 ve operasyonel prosed\u00fcrleri kar\u015f\u0131layanlar\u0131n k\u00f6k sertifikalar\u0131n\u0131 kendi &#8220;K\u00f6k Deposu&#8221;na (Trust Store) eklerler. Taray\u0131c\u0131n\u0131z, bir sertifika zincirini do\u011frularken, zincirin en son halkas\u0131 olan k\u00f6k sertifikan\u0131n kendi g\u00fcvenilir k\u00f6k deposunda olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer k\u00f6k sertifika bu depoda mevcutsa, CA g\u00fcvenilir kabul edilir ve do\u011frulama s\u00fcreci devam eder.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tarayicilarin-Bir-Sertifikanin-Orijinalligini-Adim-Adim-Sorgulama-Sureci\"><\/span>Taray\u0131c\u0131lar\u0131n Bir Sertifikan\u0131n Orijinalli\u011fini Ad\u0131m Ad\u0131m Sorgulama S\u00fcreci<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bir kullan\u0131c\u0131 HTTPS&#8217;li bir web sitesine girdi\u011finde, taray\u0131c\u0131 saniyeden \u00e7ok daha k\u0131sa bir s\u00fcrede karma\u015f\u0131k bir do\u011frulama s\u00fcreci ba\u015flat\u0131r. Bu s\u00fcre\u00e7, sunulan sertifikan\u0131n ve temsil etti\u011fi kimli\u011fin ger\u00e7ekten g\u00fcvenilir olup olmad\u0131\u011f\u0131n\u0131 anlamak i\u00e7in tasarlanm\u0131\u015ft\u0131r. \u0130\u015fte bu s\u00fcrecin temel ad\u0131mlar\u0131.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surecin-Baslangici-TLS-El-Sikismasi-TLS-Handshake\"><\/span>S\u00fcrecin Ba\u015flang\u0131c\u0131: TLS El S\u0131k\u0131\u015fmas\u0131 (TLS Handshake)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Her \u015fey, taray\u0131c\u0131n\u0131z\u0131n (istemci) web sunucusuna g\u00fcvenli bir ba\u011flant\u0131 kurma iste\u011fi g\u00f6ndermesiyle ba\u015flar. Bu s\u00fcrece <a href=\"https:\/\/www.ihs.com.tr\/blog\/ssl-tls-handshake-nedir-ve-nasil-calisir\/\" target=\"_blank\">TLS Handshake (El S\u0131k\u0131\u015fmas\u0131)<\/a> denir. Bu a\u015famada, istemci ve sunucu hangi \u015fifreleme algoritmalar\u0131n\u0131 kullanacaklar\u0131 konusunda anla\u015f\u0131r ve kimlik do\u011frulama s\u00fcrecini ba\u015flat\u0131rlar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim-1-Sunucu-Sertifikasi-ve-Zincirin-Tarayiciya-Sunulmasi\"><\/span>Ad\u0131m 1: Sunucu Sertifikas\u0131 ve Zincirin Taray\u0131c\u0131ya Sunulmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>TLS el s\u0131k\u0131\u015fmas\u0131n\u0131n bir par\u00e7as\u0131 olarak, web sunucusu kendi son kullan\u0131c\u0131 sertifikas\u0131n\u0131 ve bu sertifikay\u0131 g\u00fcvenilir bir k\u00f6ke ba\u011flayan t\u00fcm ara sertifikalar\u0131 (sertifika zincirini) taray\u0131c\u0131ya g\u00f6nderir. Taray\u0131c\u0131n\u0131n g\u00f6revi, bu zincirin k\u0131r\u0131k olup olmad\u0131\u011f\u0131n\u0131 ve en tepedeki k\u00f6k\u00fcn g\u00fcvenilir olup olmad\u0131\u011f\u0131n\u0131 kontrol etmektir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim-2-Dijital-Imza-Dogrulamasi-ve-Zincirin-Geriye-Dogru-Takibi\"><\/span>Ad\u0131m 2: Dijital \u0130mza Do\u011frulamas\u0131 ve Zincirin Geriye Do\u011fru Takibi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Taray\u0131c\u0131, sertifika zincirini en alttan (son kullan\u0131c\u0131 sertifikas\u0131) ba\u015flayarak yukar\u0131ya do\u011fru (k\u00f6ke do\u011fru) do\u011frular. Bu, her bir sertifikan\u0131n dijital imzas\u0131n\u0131 bir \u00fcstteki sertifikan\u0131n a\u00e7\u0131k anahtar\u0131n\u0131 kullanarak kontrol etmesiyle yap\u0131l\u0131r.<\/p>\n<h4>Son Kullan\u0131c\u0131 Sertifikas\u0131n\u0131n \u0130mzas\u0131n\u0131n Kontrol\u00fc<\/h4>\n<p>Taray\u0131c\u0131, ilk olarak sunucunun sertifikas\u0131n\u0131 al\u0131r ve bu sertifikay\u0131 imzalayan ara sertifikan\u0131n kimli\u011fine bakar. Ard\u0131ndan, zincirde sunulan ara sertifikan\u0131n a\u00e7\u0131k anahtar\u0131n\u0131 kullanarak son kullan\u0131c\u0131 sertifikas\u0131n\u0131n dijital imzas\u0131n\u0131n ge\u00e7erli olup olmad\u0131\u011f\u0131n\u0131 matematiksel olarak kontrol eder. E\u011fer imza ge\u00e7erliyse, bu, sertifikan\u0131n ara CA taraf\u0131ndan ger\u00e7ekten imzaland\u0131\u011f\u0131n\u0131 ve i\u00e7eri\u011finin de\u011fi\u015ftirilmedi\u011fini kan\u0131tlar.<\/p>\n<h4>Ara Sertifikan\u0131n \u0130mzas\u0131n\u0131n Kontrol\u00fc<\/h4>\n<p>Bir sonraki ad\u0131mda taray\u0131c\u0131, ara sertifikan\u0131n kendisinin ge\u00e7erlili\u011fini kontrol eder. Bu ara sertifika da genellikle bir \u00fcst ara sertifika veya do\u011frudan k\u00f6k sertifika taraf\u0131ndan imzalanm\u0131\u015ft\u0131r. Taray\u0131c\u0131, ayn\u0131 i\u015flemi tekrarlayarak ara sertifikan\u0131n imzas\u0131n\u0131, onu imzalayan \u00fcst sertifikan\u0131n a\u00e7\u0131k anahtar\u0131n\u0131 kullanarak do\u011frular. Bu i\u015flem, zincirdeki son halkaya ula\u015fana kadar devam eder.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim-3-Guvenilir-Bir-Kok-Sertifikaya-Ulasma\"><\/span>Ad\u0131m 3: G\u00fcvenilir Bir K\u00f6k Sertifikaya Ula\u015fma<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zincirin en tepesindeki sertifika bir K\u00f6k Sertifika&#8217;d\u0131r. Bu sertifika kendi kendini imzalam\u0131\u015ft\u0131r, bu y\u00fczden onu do\u011frulayacak bir \u00fcst otorite yoktur. G\u00fcvenin ba\u015flang\u0131\u00e7 noktas\u0131 buras\u0131d\u0131r.<\/p>\n<h4>K\u00f6k Sertifikan\u0131n Taray\u0131c\u0131n\u0131n K\u00f6k Deposunda Aranmas\u0131<\/h4>\n<p>Taray\u0131c\u0131, zincirin sonunda ula\u015ft\u0131\u011f\u0131 k\u00f6k sertifikan\u0131n bir kopyas\u0131n\u0131n kendi g\u00fcvenilir K\u00f6k Deposu&#8217;nda (Trust Store) olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer k\u00f6k sertifika bu listede mevcutsa ve sunucudan gelen k\u00f6k sertifika ile e\u015fle\u015fiyorsa, taray\u0131c\u0131 bu zincirin g\u00fcvenilir bir kaynaktan geldi\u011fini kabul eder. E\u011fer k\u00f6k sertifika listede yoksa, taray\u0131c\u0131 bir &#8220;G\u00fcvenilmeyen Sertifika&#8221; hatas\u0131 verir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim-4-Sertifika-Gecerlilik-Suresinin-Validity-Period-Kontrolu\"><\/span>Ad\u0131m 4: Sertifika Ge\u00e7erlilik S\u00fcresinin (Validity Period) Kontrol\u00fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Zincirdeki her sertifikan\u0131n (son kullan\u0131c\u0131, ara ve k\u00f6k) bir ba\u015flang\u0131\u00e7 ve biti\u015f tarihi vard\u0131r. Taray\u0131c\u0131, o anki tarihin, zincirdeki t\u00fcm sertifikalar\u0131n ge\u00e7erlilik tarihleri aral\u0131\u011f\u0131nda olup olmad\u0131\u011f\u0131n\u0131 kontrol eder. E\u011fer sertifikalardan herhangi birinin s\u00fcresi dolmu\u015fsa veya hen\u00fcz ba\u015flamam\u0131\u015fsa, taray\u0131c\u0131 bir &#8220;Sertifika S\u00fcresi Doldu&#8221; hatas\u0131 g\u00f6sterir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim-5-Alan-Adi-Common-NameSAN-Uyusmazliginin-Kontrolu\"><\/span>Ad\u0131m 5: Alan Ad\u0131 (Common Name\/SAN) Uyu\u015fmazl\u0131\u011f\u0131n\u0131n Kontrol\u00fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Taray\u0131c\u0131, son kullan\u0131c\u0131 sertifikas\u0131n\u0131n i\u00e7inde belirtilen alan ad\u0131n\u0131n (Common Name &#8211; CN veya Subject Alternative Name &#8211; SAN alanlar\u0131nda listelenen) ziyaret etmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131 web sitesinin alan ad\u0131yla e\u015fle\u015fip e\u015fle\u015fmedi\u011fini kontrol eder. \u00d6rne\u011fin, &#8220;www.example.com&#8221; i\u00e7in al\u0131nm\u0131\u015f bir sertifika, &#8220;mail.example.com&#8221; adresinde kullan\u0131l\u0131rsa veya &#8220;example.com&#8221; i\u00e7in al\u0131nm\u0131\u015f bir sertifika &#8220;www.example.com&#8221; adresinde SAN bilgisi olmadan kullan\u0131l\u0131rsa taray\u0131c\u0131 bir &#8220;Sertifika Ad\u0131 Uyu\u015fmazl\u0131\u011f\u0131&#8221; hatas\u0131 verir. Bu kontrol i\u00e7in genellikle <a href=\"https:\/\/www.ihs.com.tr\/ssl\/wildcard-ssl.html\" target=\"_blank\">Wildcard SSL<\/a> veya Multi-Domain SSL sertifikalar\u0131 kullan\u0131l\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adim-6-Sertifika-Iptal-Durumunun-Revocation-Status-Sorgulanmasi\"><\/span>Ad\u0131m 6: Sertifika \u0130ptal Durumunun (Revocation Status) Sorgulanmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir sertifika, ge\u00e7erlilik s\u00fcresi dolmadan \u00f6nce g\u00fcvenlik nedeniyle (\u00f6rne\u011fin \u00f6zel anahtar\u0131n \u00e7al\u0131nmas\u0131) iptal edilebilir. Taray\u0131c\u0131lar, sertifikan\u0131n iptal edilip edilmedi\u011fini kontrol etmek i\u00e7in iki yayg\u0131n y\u00f6ntem kullan\u0131r.<\/p>\n<h4>Sertifika \u0130ptal Listesi (Certificate Revocation List &#8211; CRL)<\/h4>\n<p>CRL, bir CA taraf\u0131ndan yay\u0131nlanan ve o CA&#8217;n\u0131n iptal etti\u011fi t\u00fcm sertifikalar\u0131n seri numaralar\u0131n\u0131 i\u00e7eren bir listedir. Taray\u0131c\u0131, bu listeyi periyodik olarak indirir ve sertifikan\u0131n seri numaras\u0131n\u0131n bu listede olup olmad\u0131\u011f\u0131n\u0131 kontrol eder.<\/p>\n<h4>\u00c7evrimi\u00e7i Sertifika Durum Protokol\u00fc (Online Certificate Status Protocol &#8211; OCSP)<\/h4>\n<p>OCSP, CRL&#8217;ye g\u00f6re daha modern bir y\u00f6ntemdir. Taray\u0131c\u0131, t\u00fcm bir listeyi indirmek yerine, CA&#8217;n\u0131n OCSP sunucusuna ba\u011flan\u0131r ve sadece kontrol etti\u011fi tek bir sertifikan\u0131n durumunu (&#8220;iyi&#8221;, &#8220;iptal edilmi\u015f&#8221; veya &#8220;bilinmiyor&#8221;) sorgular. Bu, daha h\u0131zl\u0131 ve daha g\u00fcncel bir kontrol sa\u011flar. <a href=\"https:\/\/www.ihs.com.tr\/blog\/ocsp-stapling-nedir-ve-sitenizin-https-hizini-nasil-artirir\/\" target=\"_blank\">OCSP Stapling<\/a> gibi teknolojiler bu s\u00fcreci daha da h\u0131zland\u0131r\u0131r.<\/p>\n<div class=\"karsilastirma\">\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Sertifika \u0130ptal Listesi (CRL)<\/th>\n<th>\u00c7evrimi\u00e7i Sertifika Durum Protokol\u00fc (OCSP)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u00c7al\u0131\u015fma Mant\u0131\u011f\u0131<\/strong><\/td>\n<td>\u0130ptal edilen t\u00fcm sertifikalar\u0131n bulundu\u011fu bir listeyi indirir.<\/td>\n<td>Tek bir sertifikan\u0131n durumunu ger\u00e7ek zamanl\u0131 olarak sorgular.<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u0131z<\/strong><\/td>\n<td>Daha yava\u015f olabilir, \u00e7\u00fcnk\u00fc b\u00fcy\u00fck bir liste indirilmesi gerekebilir.<\/td>\n<td>Genellikle daha h\u0131zl\u0131d\u0131r, \u00e7\u00fcnk\u00fc sadece tek bir istek g\u00f6nderilir.<\/td>\n<\/tr>\n<tr>\n<td><strong>G\u00fcncellik<\/strong><\/td>\n<td>Listenin yay\u0131nlanma s\u0131kl\u0131\u011f\u0131na ba\u011fl\u0131d\u0131r, anl\u0131k olmayabilir.<\/td>\n<td>Daha g\u00fcncel bilgi sa\u011flar, sorgu an\u0131ndaki durumu bildirir.<\/td>\n<\/tr>\n<tr>\n<td><strong>A\u011f Trafi\u011fi<\/strong><\/td>\n<td>Daha fazla bant geni\u015fli\u011fi kullanabilir.<\/td>\n<td>Daha az bant geni\u015fli\u011fi kullan\u0131r.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Sik-Karsilasilan-Sertifika-Hatalari-ve-Anlamlari\"><\/span>S\u0131k Kar\u015f\u0131la\u015f\u0131lan Sertifika Hatalar\u0131 ve Anlamlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bazen kullan\u0131c\u0131lar web sitelerinde gezinirken sertifika hatalar\u0131yla kar\u015f\u0131la\u015fabilirler. Bu hatalar, g\u00fcven zincirindeki bir soruna veya yanl\u0131\u015f yap\u0131land\u0131rmaya i\u015faret eder ve taray\u0131c\u0131n\u0131n kullan\u0131c\u0131y\u0131 potansiyel bir g\u00fcvenlik riskine kar\u015f\u0131 koruma mekanizmas\u0131d\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Guvenilmeyen-Sertifika-Hatasi-Untrusted-Certificate\"><\/span>G\u00fcvenilmeyen Sertifika Hatas\u0131 (Untrusted Certificate)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu hata, sertifika zincirinin taray\u0131c\u0131n\u0131n g\u00fcvendi\u011fi bir k\u00f6k sertifikaya ba\u011flanamad\u0131\u011f\u0131 anlam\u0131na gelir. En yayg\u0131n nedenleri \u015funlard\u0131r:<\/p>\n<ul>\n<li><b>Self-Signed Sertifika:<\/b> Geli\u015ftirme ortamlar\u0131nda s\u0131k\u00e7a kullan\u0131lan, tan\u0131nm\u0131\u015f bir CA taraf\u0131ndan de\u011fil, sunucunun kendisi taraf\u0131ndan imzalanm\u0131\u015f bir sertifikad\u0131r.<\/li>\n<li><b>Bilinmeyen K\u00f6k CA:<\/b> Sertifikay\u0131 imzalayan k\u00f6k CA, taray\u0131c\u0131n\u0131n veya i\u015fletim sisteminin g\u00fcvenilir k\u00f6k deposunda bulunmuyordur.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Sertifika-Suresi-Doldu-Hatasi-Certificate-Expired\"><\/span>Sertifika S\u00fcresi Doldu Hatas\u0131 (Certificate Expired)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>En basit ve en yayg\u0131n hatalardan biridir. Zincirdeki sertifikalardan birinin (genellikle son kullan\u0131c\u0131 sertifikas\u0131) ge\u00e7erlilik s\u00fcresi sona ermi\u015ftir. Web sitesi y\u00f6neticisinin sertifikay\u0131 zaman\u0131nda yenilemeyi unutmas\u0131ndan kaynaklan\u0131r. Bu <a href=\"https:\/\/www.ihs.com.tr\/blog\/ssl-sertifikanizin-suresi-doldugunda-ne-olur-yenilemeyi-unutmanin-riskleri\/\" target=\"_blank\">sertifika yenileme<\/a> i\u015flemi kritik \u00f6neme sahiptir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sertifika-Adi-Uyusmazligi-Hatasi-Name-Mismatch\"><\/span>Sertifika Ad\u0131 Uyu\u015fmazl\u0131\u011f\u0131 Hatas\u0131 (Name Mismatch)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu hata, taray\u0131c\u0131n\u0131n adres \u00e7ubu\u011funda yazan alan ad\u0131yla SSL sertifikas\u0131n\u0131n i\u00e7inde kay\u0131tl\u0131 olan alan ad\u0131n\u0131n e\u015fle\u015fmedi\u011fi durumlarda ortaya \u00e7\u0131kar. \u00d6rne\u011fin, sertifika &#8220;example.com&#8221; i\u00e7in d\u00fczenlenmi\u015fken siz &#8220;www.example.com&#8221; adresine girmeye \u00e7al\u0131\u015f\u0131yor olabilirsiniz ve sertifikan\u0131n SAN (Subject Alternative Name) alan\u0131nda &#8220;www&#8221; \u00f6neki belirtilmemi\u015ftir. <a href=\"https:\/\/www.ihs.com.tr\/blog\/ssl-sertifikasi-ad-uyusmazligi-hatasi-neden-olur-ve-nasil-duzeltilir\/\" target=\"_blank\">Ad uyu\u015fmazl\u0131\u011f\u0131 hatas\u0131<\/a> genellikle yanl\u0131\u015f sertifika kurulumu veya y\u00f6nlendirme sorunlar\u0131ndan kaynaklan\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Iptal-Edilmis-Sertifika-Hatasi-Certificate-Revoked\"><\/span>\u0130ptal Edilmi\u015f Sertifika Hatas\u0131 (Certificate Revoked)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bu uyar\u0131, ziyaret etti\u011finiz sitenin sertifikas\u0131n\u0131n, sahibi oldu\u011fu Sertifika Otoritesi taraf\u0131ndan kas\u0131tl\u0131 olarak ge\u00e7ersiz k\u0131l\u0131nd\u0131\u011f\u0131n\u0131 belirtir. Bir sertifika genellikle \u00f6zel anahtar\u0131n\u0131n (private key) \u00e7al\u0131nmas\u0131 veya ele ge\u00e7irilmesi gibi ciddi bir g\u00fcvenlik ihlali durumunda iptal edilir. Bu hatay\u0131 g\u00f6rd\u00fc\u011f\u00fcn\u00fczde o siteye kesinlikle g\u00fcvenmemelisiniz.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Eksik-Ara-Sertifika-Sorunlari-Missing-Intermediate-Certificate\"><\/span>Eksik Ara Sertifika Sorunlar\u0131 (Missing Intermediate Certificate)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bazen sunucu y\u00f6neticileri, sunucuya sadece son kullan\u0131c\u0131 sertifikas\u0131n\u0131 y\u00fckler ve ara sertifikay\u0131 eklemeyi unuturlar. Bu durumda, taray\u0131c\u0131 son kullan\u0131c\u0131 sertifikas\u0131n\u0131 g\u00fcvenilir bir k\u00f6ke ba\u011flayamaz ve zinciri do\u011frulayamaz. Bu, \u00f6zellikle baz\u0131 mobil taray\u0131c\u0131larda veya daha eski sistemlerde &#8220;G\u00fcvenilmeyen Sertifika&#8221; hatas\u0131na yol a\u00e7abilir. <a href=\"https:\/\/www.ihs.com.tr\/blog\/ssl-sertifikasi-zinciri-certificate-chain-nedir-ve-neden-onemlidir\/\" target=\"_blank\">Do\u011fru sertifika zinciri kurulumu<\/a> bu sorunu \u00e7\u00f6zer.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dogru-Yapilandirilmis-Bir-Guven-Zincirinin-Isletmeler-Icin-Onemi\"><\/span>Do\u011fru Yap\u0131land\u0131r\u0131lm\u0131\u015f Bir G\u00fcven Zincirinin \u0130\u015fletmeler \u0130\u00e7in \u00d6nemi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f bir SSL\/TLS g\u00fcven zinciri, sadece teknik bir gereklilik de\u011fil, ayn\u0131 zamanda bir i\u015fletmenin dijital varl\u0131\u011f\u0131, itibar\u0131 ve ba\u015far\u0131s\u0131 i\u00e7in kritik bir yat\u0131r\u0131md\u0131r. G\u00fcvenli bir ba\u011flant\u0131 sunmak, modern i\u015f d\u00fcnyas\u0131nda bir l\u00fcks de\u011fil, bir zorunluluktur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kullanici-Guvenini-Saglama-ve-Marka-Itibarini-Koruma\"><\/span>Kullan\u0131c\u0131 G\u00fcvenini Sa\u011flama ve Marka \u0130tibar\u0131n\u0131 Koruma<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kullan\u0131c\u0131lar bir web sitesine girdiklerinde taray\u0131c\u0131da beliren kilit simgesini ve &#8220;G\u00fcvenli&#8221; ibaresini g\u00f6rmeyi beklerler. Sertifika hatalar\u0131 veya g\u00fcvensiz ba\u011flant\u0131 uyar\u0131lar\u0131, potansiyel m\u00fc\u015fterilerde an\u0131nda bir g\u00fcvensizlik hissi yarat\u0131r. <a href=\"https:\/\/www.ihs.com.tr\/blog\/musteri-guveni-satislari-nasil-etkiler\/\" target=\"_blank\">Do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f bir SSL<\/a>, i\u015fletmenizin profesyonel ve g\u00fcvenilir oldu\u011funu g\u00f6sterir, bu da marka itibar\u0131n\u0131 do\u011frudan g\u00fc\u00e7lendirir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"E-ticaret-ve-Cevrimici-Islemlerde-Guvenligi-Garanti-Etme\"><\/span>E-ticaret ve \u00c7evrimi\u00e7i \u0130\u015flemlerde G\u00fcvenli\u011fi Garanti Etme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kredi kart\u0131 bilgileri, ki\u015fisel adresler ve \u015fifreler gibi hassas verilerin topland\u0131\u011f\u0131 e-ticaret siteleri i\u00e7in HTTPS kullan\u0131m\u0131 mutlak bir zorunluluktur. Sa\u011flam bir g\u00fcven zinciri, m\u00fc\u015fteri verilerinin \u015fifrelenerek g\u00fcvenli bir \u015fekilde iletilmesini sa\u011flar. Bu, hem m\u00fc\u015fteriyi doland\u0131r\u0131c\u0131l\u0131\u011fa kar\u015f\u0131 korur hem de i\u015fletmeyi yasal sorumluluklardan ve veri ihlallerinin getirece\u011fi a\u011f\u0131r maliyetlerden kurtar\u0131r. \u00d6zellikle <a href=\"https:\/\/www.ihs.com.tr\/web-hosting\/opencart-e-ticaret-hosting.html\" target=\"_blank\">OpenCart gibi e-ticaret platformlar\u0131<\/a> i\u00e7in bu hayati \u00f6nem ta\u015f\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tarayici-Uyarilarini-Onleyerek-Ziyaretci-Kaybinin-Engellenmesi\"><\/span>Taray\u0131c\u0131 Uyar\u0131lar\u0131n\u0131 \u00d6nleyerek Ziyaret\u00e7i Kayb\u0131n\u0131n Engellenmesi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u00fcncel taray\u0131c\u0131lar, g\u00fcvensiz (HTTP) veya hatal\u0131 sertifikaya sahip sitelere kar\u015f\u0131 kullan\u0131c\u0131lar\u0131 b\u00fcy\u00fck ve dikkat \u00e7ekici uyar\u0131larla bilgilendirir. &#8220;Bu siteye ba\u011flant\u0131n\u0131z \u00f6zel de\u011fil&#8221; gibi bir uyar\u0131yla kar\u015f\u0131la\u015fan \u00e7o\u011fu kullan\u0131c\u0131, siteye devam etmek yerine geri d\u00f6nmeyi tercih eder. Bu durum, potansiyel m\u00fc\u015fteri ve trafik kayb\u0131na neden olur. Kusursuz bir sertifika kurulumu, bu t\u00fcr uyar\u0131lar\u0131 \u00f6nleyerek ziyaret\u00e7ilerin sitenizde sorunsuz bir deneyim ya\u015famas\u0131n\u0131 sa\u011flar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Veri-Gizliligi-ve-Yasal-Uyumluluk-KVKK-GDPR\"><\/span>Veri Gizlili\u011fi ve Yasal Uyumluluk (KVKK, GDPR)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ki\u015fisel Verilerin Korunmas\u0131 Kanunu (KVKK) ve Avrupa Genel Veri Koruma T\u00fcz\u00fc\u011f\u00fc (GDPR) gibi yasal d\u00fczenlemeler, kullan\u0131c\u0131 verilerini i\u015fleyen t\u00fcm kurulu\u015flar\u0131n uygun teknik ve idari tedbirleri almas\u0131n\u0131 zorunlu k\u0131lar. Veri iletimi s\u0131ras\u0131nda \u015fifreleme (HTTPS kullan\u0131m\u0131) bu teknik tedbirlerin en temelidir. Do\u011fru yap\u0131land\u0131r\u0131lm\u0131\u015f bir SSL sertifikas\u0131, bu yasalara uyum sa\u011flaman\u0131n \u00f6nemli bir par\u00e7as\u0131n\u0131 olu\u015fturur ve i\u015fletmeleri olas\u0131 cezalardan korur.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"SSLTLS-Sertifika-Cozumleri-Icin-Neden-IHS-Telekomu-Tercih-Etmelisiniz\"><\/span>SSL\/TLS Sertifika \u00c7\u00f6z\u00fcmleri \u0130\u00e7in Neden \u0130HS Telekom&#8217;u Tercih Etmelisiniz?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Web sitenizin g\u00fcvenli\u011fi, dijital varl\u0131\u011f\u0131n\u0131z\u0131n temelidir. G\u00fcven zincirinin do\u011fru ve eksiksiz bir \u015fekilde kurulmas\u0131, teknik uzmanl\u0131k gerektirir. \u0130HS Telekom, web g\u00fcvenli\u011fi konusundaki derin tecr\u00fcbesi ve zengin \u00fcr\u00fcn yelpazesi ile i\u015fletmenizin t\u00fcm SSL\/TLS ihtiya\u00e7lar\u0131na profesyonel \u00e7\u00f6z\u00fcmler sunar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dunyanin-Onde-Gelen-Sertifika-Otoriteleri-ile-Is-Ortakligi\"><\/span>D\u00fcnyan\u0131n \u00d6nde Gelen Sertifika Otoriteleri ile \u0130\u015f Ortakl\u0131\u011f\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0130HS Telekom, <a href=\"https:\/\/www.ihs.com.tr\/ssl\/digicert-ssl.html\" target=\"_blank\">DigiCert<\/a>, GeoTrust, RapidSSL gibi d\u00fcnyan\u0131n en sayg\u0131n ve g\u00fcvenilir Sertifika Otoriteleri (CA) ile \u00e7al\u0131\u015f\u0131r. Bu, sat\u0131n ald\u0131\u011f\u0131n\u0131z sertifikalar\u0131n t\u00fcm modern taray\u0131c\u0131lar ve i\u015fletim sistemleri taraf\u0131ndan tan\u0131nmas\u0131n\u0131 ve g\u00fcvenilir kabul edilmesini garanti eder. G\u00fc\u00e7l\u00fc i\u015f ortakl\u0131klar\u0131m\u0131z sayesinde en y\u00fcksek g\u00fcvenlik standartlar\u0131n\u0131 hizmetinize sunar\u0131z.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Farkli-Ihtiyaclara-Yonelik-Zengin-Sertifika-Secenekleri-DV-OV-EV\"><\/span>Farkl\u0131 \u0130htiya\u00e7lara Y\u00f6nelik Zengin Sertifika Se\u00e7enekleri (DV, OV, EV)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Basit bir blog sitesinden b\u00fcy\u00fck bir e-ticaret platformuna kadar her t\u00fcrl\u00fc ihtiyaca uygun bir \u00e7\u00f6z\u00fcm\u00fcm\u00fcz bulunmaktad\u0131r. Sadece alan ad\u0131n\u0131 do\u011frulayan (DV), kurumsal kimli\u011fi de teyit eden (OV) veya en y\u00fcksek g\u00fcven seviyesi olan ye\u015fil adres \u00e7ubu\u011funu sa\u011flayan (EV) <a href=\"https:\/\/www.ihs.com.tr\/ssl\/kurumsal-ssl-sertifikalari.html\" target=\"_blank\">sertifika se\u00e7enekleri<\/a> sunuyoruz. \u0130htiyac\u0131n\u0131za en uygun sertifikay\u0131 se\u00e7meniz i\u00e7in uzman ekibimiz size yol g\u00f6sterir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"724-Uzman-Teknik-Destek-ve-Kurulum-Yardimi\"><\/span>7\/24 Uzman Teknik Destek ve Kurulum Yard\u0131m\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SSL sertifikas\u0131 kurulumu ve yap\u0131land\u0131rmas\u0131 bazen karma\u015f\u0131k olabilir. \u00d6zellikle eksik ara sertifika gibi sorunlar, deneyimsiz kullan\u0131c\u0131lar i\u00e7in zorlay\u0131c\u0131 olabilir. \u0130HS Telekom&#8217;un 7\/24 hizmet veren uzman teknik destek ekibi, sertifikan\u0131z\u0131n sat\u0131n alma, do\u011frulama ve <a href=\"https:\/\/www.ihs.com.tr\/blog\/ssl-sertifikasi-yukleme-rehberi-cpanel-ve-plesk-adimlari\/\" target=\"_blank\">sunucuya kurulum<\/a> s\u00fcre\u00e7lerinde size profesyonel destek sa\u011flar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kolay-Yonetim-Paneli-ve-Otomatik-Yenileme-Hatirlatmalari\"><\/span>Kolay Y\u00f6netim Paneli ve Otomatik Yenileme Hat\u0131rlatmalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u00fc\u015fteri panelimiz \u00fczerinden sertifikalar\u0131n\u0131z\u0131 kolayca y\u00f6netebilirsiniz. Sertifika s\u00fcresinin dolmas\u0131 gibi kritik bir durumu ya\u015faman\u0131z\u0131 \u00f6nlemek i\u00e7in, yenileme zaman\u0131 yakla\u015ft\u0131\u011f\u0131nda size otomatik hat\u0131rlatmalar g\u00f6ndeririz. Bu sayede web sitenizin g\u00fcvenli\u011fi hi\u00e7bir zaman kesintiye u\u011framaz.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Rekabetci-Fiyatlar-ve-Guvenilir-Hizmet-Anlayisi\"><\/span>Rekabet\u00e7i Fiyatlar ve G\u00fcvenilir Hizmet Anlay\u0131\u015f\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0130HS Telekom olarak, en y\u00fcksek kalitedeki g\u00fcvenlik \u00e7\u00f6z\u00fcmlerini en rekabet\u00e7i fiyatlarla sunmay\u0131 hedefliyoruz. \u0130ster bireysel bir <a href=\"https:\/\/www.ihs.com.tr\/web-hosting\/wordpress-hosting.html\" target=\"_blank\">WordPress hosting<\/a> kullan\u0131c\u0131s\u0131 olun, ister b\u00fcy\u00fck bir kurumsal <a href=\"https:\/\/www.ihs.com.tr\/sunucu-kiralama\/vps-server.html\" target=\"_blank\">VPS<\/a> \u00fczerinde \u00e7al\u0131\u015fan bir projeniz olsun, b\u00fct\u00e7enize ve ihtiya\u00e7lar\u0131n\u0131za uygun, g\u00fcvenilir ve kesintisiz bir hizmet sunma anlay\u0131\u015f\u0131yla \u00e7al\u0131\u015f\u0131yoruz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130nternet taray\u0131c\u0131n\u0131zda bir web sitesini ziyaret etti\u011finizde, adres \u00e7ubu\u011funda beliren k\u00fc\u00e7\u00fck kilit simgesi, o anki ba\u011flant\u0131n\u0131z\u0131n g\u00fcvenli oldu\u011funun bir g\u00f6stergesidir. Bu simge,&hellip;<\/p>\n","protected":false},"author":3,"featured_media":16013,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[400],"tags":[],"class_list":["post-16012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ssl-sertifikasi"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/16012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=16012"}],"version-history":[{"count":1,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/16012\/revisions"}],"predecessor-version":[{"id":16014,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/posts\/16012\/revisions\/16014"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media\/16013"}],"wp:attachment":[{"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=16012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=16012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ihs.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=16012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}