{"id":21512,"date":"2026-10-31T16:30:00","date_gmt":"2026-10-31T13:30:00","guid":{"rendered":"https:\/\/sunucun.com.tr\/blog\/?p=21512"},"modified":"2026-10-31T16:30:00","modified_gmt":"2026-10-31T13:30:00","slug":"vpn-gateway-nedir","status":"publish","type":"post","link":"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/","title":{"rendered":"VPN Gateway Nedir? Site-to-Site ve Uzak Eri\u015fim VPN"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<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:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#VPN_Gateway_Nasil_Calisir\" >VPN Gateway Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#Site-to-Site_VPN_ve_Uzak_Erisim_VPN\" >Site-to-Site VPN ve Uzak Eri\u015fim VPN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#VPN_Gatewayde_Kullanilan_Protokoller\" >VPN Gateway&#8217;de Kullan\u0131lan Protokoller<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#IPsec_IKEv2\" >IPsec \/ IKEv2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#OpenVPN\" >OpenVPN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#WireGuard\" >WireGuard<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#SSL_VPN\" >SSL VPN<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#VPN_Gateway_Turleri\" >VPN Gateway T\u00fcrleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#Bir_Linux_Sunucuyu_VPN_Gateway_Yapmak_Genel_Adimlar\" >Bir Linux Sunucuyu VPN Gateway Yapmak: Genel Ad\u0131mlar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#Guvenlik_ve_Performans_Ipuclari\" >G\u00fcvenlik ve Performans \u0130pu\u00e7lar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#Sikca_Sorulan_Sorular\" >S\u0131k\u00e7a Sorulan Sorular<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#VPN_gateway_ile_normal_VPN_uygulamasi_arasindaki_fark_nedir\" >VPN gateway ile normal VPN uygulamas\u0131 aras\u0131ndaki fark nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#Default_gateway_ile_VPN_gateway_ayni_sey_mi\" >Default gateway ile VPN gateway ayn\u0131 \u015fey mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/sunucun.com.tr\/blog\/vpn-gateway-nedir\/#Kucuk_bir_isletme_VPN_gatewaye_ihtiyac_duyar_mi\" >K\u00fc\u00e7\u00fck bir i\u015fletme VPN gateway&#8217;e ihtiya\u00e7 duyar m\u0131?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p><strong>VPN gateway (VPN a\u011f ge\u00e7idi)<\/strong>, iki a\u011f aras\u0131nda ya da uzaktaki kullan\u0131c\u0131lar ile bir a\u011f aras\u0131nda \u015fifreli VPN t\u00fcnellerini sonland\u0131ran cihaz veya yaz\u0131l\u0131md\u0131r. Bir \u015firket ofisinin bulut a\u011f\u0131na ba\u011flanmas\u0131 ya da \u00e7al\u0131\u015fanlar\u0131n evden \u015firket a\u011f\u0131na g\u00fcvenli eri\u015fimi, VPN gateway \u00fczerinden ger\u00e7ekle\u015fir.<\/p>\n<p>Bu yaz\u0131da VPN gateway&#8217;in nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, site-to-site ve uzak eri\u015fim (remote access) VPN fark\u0131n\u0131, kullan\u0131lan protokolleri ve kurulum se\u00e7eneklerini anlat\u0131yoruz.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"VPN_Gateway_Nasil_Calisir\"><\/span>VPN Gateway Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>VPN gateway, a\u011f\u0131n kenar\u0131nda durur ve iki g\u00f6revi \u00fcstlenir:<\/p>\n<ol>\n<li><strong>Kimlik do\u011frulama:<\/strong> Ba\u011flanmak isteyen taraf\u0131n (ba\u015fka bir gateway ya da kullan\u0131c\u0131) kimli\u011fini sertifika, \u00f6nceden payla\u015f\u0131lan anahtar (PSK) veya kullan\u0131c\u0131 bilgileriyle do\u011frular.<\/li>\n<li><strong>\u015eifreleme ve y\u00f6nlendirme:<\/strong> T\u00fcnele giren trafi\u011fi \u015fifreler, kar\u015f\u0131 taraftan gelen trafi\u011fin \u015fifresini \u00e7\u00f6zer ve paketleri i\u00e7 a\u011fdaki do\u011fru hedefe y\u00f6nlendirir.<\/li>\n<\/ol>\n<p>Kullan\u0131c\u0131 ya da uzak ofis a\u00e7\u0131s\u0131ndan s\u00fcre\u00e7 g\u00f6r\u00fcnmezdir. \u0130\u00e7 a\u011fdaki sunuculara sanki ayn\u0131 a\u011fdaym\u0131\u015f gibi \u00f6zel IP adresleriyle eri\u015filir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Site-to-Site_VPN_ve_Uzak_Erisim_VPN\"><\/span>Site-to-Site VPN ve Uzak Eri\u015fim VPN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Site-to-Site VPN<\/th>\n<th>Uzak Eri\u015fim (Remote Access) VPN<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ba\u011flanan taraflar<\/td>\n<td>\u0130ki a\u011f (\u00f6r. merkez ofis \u2194 \u015fube, ofis \u2194 bulut)<\/td>\n<td>Tek kullan\u0131c\u0131 cihaz\u0131 \u2194 \u015firket a\u011f\u0131<\/td>\n<\/tr>\n<tr>\n<td>T\u00fcnel kimde kurulur?<\/td>\n<td>\u0130ki VPN gateway aras\u0131nda, s\u00fcrekli a\u00e7\u0131k<\/td>\n<td>Kullan\u0131c\u0131n\u0131n VPN istemcisi ile gateway aras\u0131nda, ihtiya\u00e7 an\u0131nda<\/td>\n<\/tr>\n<tr>\n<td>Kullan\u0131c\u0131 yaz\u0131l\u0131m\u0131<\/td>\n<td>Gerekmez; a\u011fdaki herkes otomatik kullan\u0131r<\/td>\n<td>VPN istemcisi gerekir<\/td>\n<\/tr>\n<tr>\n<td>Tipik protokol<\/td>\n<td>IPsec (IKEv2)<\/td>\n<td>IKEv2, OpenVPN, WireGuard, SSL VPN<\/td>\n<\/tr>\n<tr>\n<td>\u00d6rnek kullan\u0131m<\/td>\n<td>\u015eubelerin ortak ERP sunucusuna eri\u015fimi<\/td>\n<td>Evden \u00e7al\u0131\u015fan personelin dosya sunucusuna eri\u015fimi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"VPN_Gatewayde_Kullanilan_Protokoller\"><\/span>VPN Gateway&#8217;de Kullan\u0131lan Protokoller<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"IPsec_IKEv2\"><\/span>IPsec \/ IKEv2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Site-to-site ba\u011flant\u0131larda end\u00fcstri standard\u0131d\u0131r. Farkl\u0131 \u00fcreticilerin firewall ve router&#8217;lar\u0131 aras\u0131nda uyumlu \u00e7al\u0131\u015f\u0131r. Bulut sa\u011flay\u0131c\u0131lar\u0131n\u0131n sanal a\u011f ge\u00e7itleri de genellikle IPsec kullan\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"OpenVPN\"><\/span>OpenVPN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>TLS tabanl\u0131d\u0131r, esnektir ve TCP\/UDP 1194 ya da 443 portlar\u0131 \u00fczerinden \u00e7al\u0131\u015fabilir. Uzak eri\u015fimde yayg\u0131nd\u0131r. Kurulum i\u00e7in <a href=\"https:\/\/sunucun.com.tr\/blog\/openvpn-kurulumu\/\">OpenVPN kurulumu<\/a> rehberimize bakabilirsiniz.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"WireGuard\"><\/span>WireGuard<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Modern, hafif ve h\u0131zl\u0131 bir protokold\u00fcr; az say\u0131da yap\u0131land\u0131rma sat\u0131r\u0131yla hem site-to-site hem uzak eri\u015fim kurulabilir. Ayr\u0131nt\u0131lar i\u00e7in <a href=\"https:\/\/sunucun.com.tr\/blog\/wireguard-vpn-kurulum\/\">WireGuard VPN kurulum<\/a> yaz\u0131m\u0131z\u0131 inceleyin.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"SSL_VPN\"><\/span>SSL VPN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Taray\u0131c\u0131 tabanl\u0131 ya da istemcili \u00e7al\u0131\u015fan, kurumsal firewall&#8217;larda s\u0131k g\u00f6r\u00fclen uzak eri\u015fim \u00e7\u00f6z\u00fcm\u00fcd\u00fcr.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"VPN_Gateway_Turleri\"><\/span>VPN Gateway T\u00fcrleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Donan\u0131m tabanl\u0131:<\/strong> Kurumsal firewall ve router&#8217;lardaki yerle\u015fik VPN \u00f6zellikleri.<\/li>\n<li><strong>Yaz\u0131l\u0131m tabanl\u0131:<\/strong> Linux sunucuya kurulan strongSwan (IPsec), OpenVPN veya WireGuard. Bir <a href=\"https:\/\/sunucun.com.tr\/vds-sunucu\" data-internallinksmanager029f6b8e52c=\"133\" title=\"Tahsisli kaynakl\u0131 sanal sunucu \u00e7\u00f6z\u00fcmleri\">VDS<\/a> \u00fczerinde ekonomik bir gateway kurulabilir.<\/li>\n<li><strong>Bulut a\u011f ge\u00e7itleri:<\/strong> Bulut sa\u011flay\u0131c\u0131lar\u0131n\u0131n y\u00f6netilen VPN gateway hizmetleri; \u015firket a\u011f\u0131n\u0131 bulut sanal a\u011f\u0131na ba\u011flamak i\u00e7in kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Bir_Linux_Sunucuyu_VPN_Gateway_Yapmak_Genel_Adimlar\"><\/span>Bir Linux Sunucuyu VPN Gateway Yapmak: Genel Ad\u0131mlar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>Sunucuya sabit genel IP atay\u0131n ve sistemi g\u00fcncelleyin.<\/li>\n<li>Protokol\u00fc se\u00e7in (uzak eri\u015fim i\u00e7in WireGuard\/OpenVPN, \u015fube ba\u011flant\u0131s\u0131 i\u00e7in IPsec).<\/li>\n<li>Yaz\u0131l\u0131m\u0131 kurun ve anahtarlar\u0131\/sertifikalar\u0131 olu\u015fturun.<\/li>\n<li>IP y\u00f6nlendirmeyi a\u00e7\u0131n: <code>net.ipv4.ip_forward=1<\/code>.<\/li>\n<li>G\u00fcvenlik duvar\u0131nda VPN portuna izin verin ve gerekiyorsa NAT\/maskeleme kural\u0131 ekleyin.<\/li>\n<li>T\u00fcnelden ge\u00e7ecek a\u011flar\u0131 (AllowedIPs, leftsubnet\/rightsubnet) tan\u0131mlay\u0131n.<\/li>\n<li>Ba\u011flant\u0131y\u0131 test edin ve loglar\u0131 izleyin.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Guvenlik_ve_Performans_Ipuclari\"><\/span>G\u00fcvenlik ve Performans \u0130pu\u00e7lar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u00d6nceden payla\u015f\u0131lan anahtar yerine m\u00fcmk\u00fcnse sertifika tabanl\u0131 kimlik do\u011frulama kullan\u0131n.<\/li>\n<li>Uzak eri\u015fimde \u00e7ok fakt\u00f6rl\u00fc do\u011frulama (MFA) ekleyin.<\/li>\n<li>Kullan\u0131c\u0131lara yaln\u0131zca ihtiya\u00e7 duyduklar\u0131 i\u00e7 a\u011flara eri\u015fim izni verin (en az yetki ilkesi).<\/li>\n<li>Split tunneling ile sadece \u015firket trafi\u011fini t\u00fcnele almak bant geni\u015fli\u011fini korur; tam t\u00fcnel ise t\u00fcm trafi\u011fi denetlemenizi sa\u011flar. \u0130htiyac\u0131n\u0131za g\u00f6re se\u00e7in.<\/li>\n<li>Gateway yaz\u0131l\u0131m\u0131n\u0131 ve firmware&#8217;i g\u00fcncel tutun; VPN cihazlar\u0131 s\u0131k hedef al\u0131nan sistemlerdir.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Sikca_Sorulan_Sorular\"><\/span>S\u0131k\u00e7a Sorulan Sorular<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"VPN_gateway_ile_normal_VPN_uygulamasi_arasindaki_fark_nedir\"><\/span>VPN gateway ile normal VPN uygulamas\u0131 aras\u0131ndaki fark nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>VPN uygulamas\u0131 tek bir cihaz\u0131 bir sunucuya ba\u011flar. VPN gateway ise t\u00fcnellerin sonland\u0131\u011f\u0131 taraft\u0131r ve bir a\u011f\u0131n tamam\u0131n\u0131 di\u011fer a\u011flara ya da kullan\u0131c\u0131lara ba\u011flar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Default_gateway_ile_VPN_gateway_ayni_sey_mi\"><\/span>Default gateway ile VPN gateway ayn\u0131 \u015fey mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hay\u0131r. Default gateway, cihaz\u0131n\u0131z\u0131n yerel a\u011f d\u0131\u015f\u0131na \u00e7\u0131kan trafi\u011fi g\u00f6nderdi\u011fi y\u00f6nlendiricidir. VPN gateway ise \u015fifreli t\u00fcnelleri y\u00f6neten \u00f6zel bir a\u011f ge\u00e7ididir. A\u011f ge\u00e7idi kavram\u0131 i\u00e7in <a href=\"https:\/\/sunucun.com.tr\/blog\/gateway-nedir\/\">Gateway Nedir?<\/a> yaz\u0131m\u0131za bakabilirsiniz.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kucuk_bir_isletme_VPN_gatewaye_ihtiyac_duyar_mi\"><\/span>K\u00fc\u00e7\u00fck bir i\u015fletme VPN gateway&#8217;e ihtiya\u00e7 duyar m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Uzaktan \u00e7al\u0131\u015fan personel \u015firket i\u00e7indeki dosya sunucusuna, muhasebe yaz\u0131l\u0131m\u0131na ya da y\u00f6netim panellerine eri\u015fiyorsa evet. Bu sistemleri do\u011frudan internete a\u00e7mak yerine VPN arkas\u0131nda tutmak \u00e7ok daha g\u00fcvenlidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VPN gateway (VPN a\u011f ge\u00e7idi), iki a\u011f aras\u0131nda ya da uzaktaki kullan\u0131c\u0131lar ile bir a\u011f aras\u0131nda \u015fifreli VPN t\u00fcnellerini sonland\u0131ran cihaz veya yaz\u0131l\u0131md\u0131r. Bir \u015firket ofisinin bulut a\u011f\u0131na ba\u011flanmas\u0131 ya da \u00e7al\u0131\u015fanlar\u0131n evden \u015firket a\u011f\u0131na g\u00fcvenli eri\u015fimi, VPN gateway \u00fczerinden ger\u00e7ekle\u015fir. Bu yaz\u0131da VPN gateway&#8217;in nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, site-to-site ve uzak eri\u015fim (remote access) VPN fark\u0131n\u0131,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":21566,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1523],"tags":[],"class_list":["post-21512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/21512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=21512"}],"version-history":[{"count":1,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/21512\/revisions"}],"predecessor-version":[{"id":21756,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/21512\/revisions\/21756"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media\/21566"}],"wp:attachment":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=21512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=21512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=21512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}