{"id":528,"date":"2026-01-18T20:13:09","date_gmt":"2026-01-18T20:13:09","guid":{"rendered":"https:\/\/narhost.com\/blog\/?p=528"},"modified":"2026-09-11T14:11:20","modified_gmt":"2026-09-11T14:11:20","slug":"vpn-nedir","status":"publish","type":"post","link":"https:\/\/narhost.com\/blog\/vpn-nedir\/","title":{"rendered":"VPN Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r ve Ne Zaman Gerekir?"},"content":{"rendered":"<div id=\"ai-ozet\" class=\"ai-box\">\n<p class=\"ai-box-title\">K\u0131saca \u00f6zet<\/p>\n<ul>\n<li>VPN nedir sorusunun k\u0131sa cevab\u0131: cihaz\u0131n\u0131zla bir sunucu aras\u0131nda \u015fifreli bir t\u00fcnel kuran, internet trafi\u011finizi bu t\u00fcnelden ge\u00e7iren teknolojidir.<\/li>\n<li>Trafi\u011finiz VPN sunucusu \u00fczerinden \u00e7\u0131kt\u0131\u011f\u0131 i\u00e7in ziyaret etti\u011finiz siteler sizin IP adresinizi de\u011fil sunucunun adresini g\u00f6r\u00fcr.<\/li>\n<li>G\u00fcn\u00fcm\u00fczde en yayg\u0131n \u00fc\u00e7 protokol WireGuard, OpenVPN ve IKEv2. WireGuard yakla\u015f\u0131k 4.000 sat\u0131r kodla en yal\u0131n olan\u0131, bu y\u00fczden de en h\u0131zl\u0131s\u0131.<\/li>\n<li>\u00dccretsiz VPN hizmetlerinin \u00e7o\u011fu masraf\u0131n\u0131 reklam ve veri sat\u0131\u015f\u0131yla kar\u015f\u0131lar. Gizlilik i\u00e7in kullan\u0131lan ara\u00e7, gizlili\u011fi bozan araca d\u00f6n\u00fc\u015febilir.<\/li>\n<li>Kendi VPN sunucunuzu bir VPS \u00fczerinde kurmak teknik olarak yar\u0131m saatlik bir i\u015ftir ve trafi\u011fin kime ait oldu\u011fu sorusunu ortadan kald\u0131r\u0131r.<\/li>\n<li>VPN, HTTPS&#8217;in yerini tutmaz. Biri ba\u011flant\u0131y\u0131, di\u011feri siteyle aran\u0131zdaki veriyi korur; ikisi farkl\u0131 katmanlarda \u00e7al\u0131\u015f\u0131r.<\/li>\n<\/ul>\n<\/div>\n<p>Halka a\u00e7\u0131k bir Wi-Fi a\u011f\u0131na ba\u011flan\u0131rken teredd\u00fct ettiyseniz, uzaktaki bir sunucuya g\u00fcvenli eri\u015fmeniz gerektiyse ya da bir hizmetin bulundu\u011funuz \u00fclkede a\u00e7\u0131lmad\u0131\u011f\u0131n\u0131 fark ettiyseniz, kar\u015f\u0131n\u0131za hep ayn\u0131 \u00fc\u00e7 harf \u00e7\u0131km\u0131\u015ft\u0131r. VPN y\u0131llard\u0131r kullan\u0131lan bir teknoloji ama ne yapt\u0131\u011f\u0131 \u00e7o\u011fu zaman ya abart\u0131l\u0131yor ya da eksik anlat\u0131l\u0131yor. Bu rehberde VPN nedir sorusunun teknik cevab\u0131n\u0131, teknolojinin hangi durumda i\u015fe yarad\u0131\u011f\u0131n\u0131 ve hangi durumda yaramad\u0131\u011f\u0131n\u0131 anlat\u0131yoruz.<\/p>\n<h2>VPN nedir ve nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/h2>\n<p>VPN, \u0130ngilizce <strong>Virtual Private Network<\/strong> yani sanal \u00f6zel a\u011f ifadesinin k\u0131saltmas\u0131d\u0131r. Cihaz\u0131n\u0131z ile uzaktaki bir sunucu aras\u0131nda \u015fifreli bir t\u00fcnel kurar ve internet trafi\u011finizi bu t\u00fcnelin i\u00e7inden ge\u00e7irir. Normalde bir siteye ba\u011fland\u0131\u011f\u0131n\u0131zda istek do\u011frudan servis sa\u011flay\u0131c\u0131n\u0131z \u00fczerinden hedefe gider. VPN devredeyken istek \u00f6nce \u015fifrelenir, t\u00fcnelden VPN sunucusuna ula\u015f\u0131r, oradan hedefe iletilir.<\/p>\n<p>Bu yap\u0131n\u0131n iki pratik sonucu var. Birincisi, servis sa\u011flay\u0131c\u0131n\u0131z trafi\u011finizin <em>i\u00e7eri\u011fini<\/em> g\u00f6remez; yaln\u0131zca bir VPN sunucusuna ba\u011fland\u0131\u011f\u0131n\u0131z\u0131 g\u00f6r\u00fcr. \u0130kincisi, hedef site sizin IP adresinizi de\u011fil sunucunun adresini g\u00f6r\u00fcr. Konum bilginiz bu y\u00fczden de\u011fi\u015fmi\u015f gibi g\u00f6r\u00fcn\u00fcr.<\/p>\n<div class=\"highlight-box\">\n<p class=\"label\">Bilgi<\/p>\n<p>T\u00fcnel kurulurken iki taraf \u00f6nce bir anahtar de\u011fi\u015fimi yapar. Bu a\u015famadan sonra veri paketleri simetrik \u015fifreyle korunur. Anahtar de\u011fi\u015fiminin nas\u0131l yap\u0131ld\u0131\u011f\u0131, protokoller aras\u0131ndaki h\u0131z ve g\u00fcvenlik fark\u0131n\u0131n ana kayna\u011f\u0131d\u0131r.<\/p>\n<\/div>\n<figure class=\"nh-sema\"><img loading=\"lazy\" src=\"https:\/\/narhost.com\/blog\/wp-content\/uploads\/2026\/09\/vpn-nedir-sema-narhost.webp\" alt=\"VPN nedir sorusunun \u015femas\u0131 \u2014 cihaz, \u015fifreli t\u00fcnel, VPN sunucusu ve hedef site aras\u0131ndaki trafik ak\u0131\u015f\u0131\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>VPN nedir sorusunun g\u00f6rsel cevab\u0131: trafik cihazdan \u00e7\u0131k\u0131p \u015fifreli t\u00fcnelden VPN sunucusuna, oradan hedefe ula\u015f\u0131r.<\/figcaption><\/figure>\n<h2>VPN t\u00fcrleri: uzaktan eri\u015fim ve siteler aras\u0131<\/h2>\n<p>G\u00fcnl\u00fck konu\u015fmada tek bir \u015feyden bahsediliyormu\u015f gibi g\u00f6r\u00fcnse de iki ayr\u0131 kullan\u0131m bi\u00e7imi var.<\/p>\n<p><strong>Uzaktan eri\u015fim VPN&#8217;i<\/strong> tek bir cihaz\u0131 bir a\u011fa ba\u011flar. Evden \u015firket a\u011f\u0131na ba\u011flanan bir \u00e7al\u0131\u015fan ya da kafede telefonunu koruyan bir kullan\u0131c\u0131 bu t\u00fcr\u00fc kullan\u0131r. Kurulum cihaz taraf\u0131ndad\u0131r; bir uygulama ya da i\u015fletim sisteminin kendi ayarlar\u0131 yeterlidir.<\/p>\n<p><strong>Siteler aras\u0131 VPN<\/strong> ise iki a\u011f\u0131 birbirine ba\u011flar. \u0130ki ofisin yerel a\u011flar\u0131n\u0131n tek bir a\u011fm\u0131\u015f gibi \u00e7al\u0131\u015fmas\u0131 ya da bir \u015firketin kendi ofisiyle kiralad\u0131\u011f\u0131 sunucular aras\u0131nda kapal\u0131 bir hat kurmas\u0131 bu \u015fekilde yap\u0131l\u0131r. Burada t\u00fcnel cihazlarda de\u011fil, iki u\u00e7taki y\u00f6nlendiricide veya sunucuda tan\u0131mlan\u0131r.<\/p>\n<h2>VPN protokolleri aras\u0131ndaki fark nedir?<\/h2>\n<p>VPN nedir sorusunun teknik cevab\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde protokolde sakl\u0131d\u0131r. Protokol, t\u00fcnelin hangi kurallarla kurulaca\u011f\u0131n\u0131 belirler; h\u0131z, pil t\u00fcketimi ve g\u00fcvenlik do\u011frudan bu se\u00e7ime ba\u011fl\u0131d\u0131r.<\/p>\n<table>\n<thead>\n<tr>\n<th>Protokol<\/th>\n<th>H\u0131z<\/th>\n<th>Kod b\u00fcy\u00fckl\u00fc\u011f\u00fc<\/th>\n<th>\u00d6ne \u00e7\u0131kan yan\u0131<\/th>\n<th>Kime uygun<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>WireGuard<\/td>\n<td>\u00c7ok y\u00fcksek<\/td>\n<td>Yakla\u015f\u0131k 4.000 sat\u0131r<\/td>\n<td>Yal\u0131n kod, h\u0131zl\u0131 ba\u011flant\u0131 kurma<\/td>\n<td>Kendi sunucusunu kuran, mobil kullanan<\/td>\n<\/tr>\n<tr>\n<td>OpenVPN<\/td>\n<td>Orta<\/td>\n<td>Y\u00fczbinlerce sat\u0131r<\/td>\n<td>Uzun ge\u00e7mi\u015f, geni\u015f uyumluluk<\/td>\n<td>Kurumsal a\u011flar, eski cihaz park\u0131<\/td>\n<\/tr>\n<tr>\n<td>IKEv2\/IPsec<\/td>\n<td>Y\u00fcksek<\/td>\n<td>Orta<\/td>\n<td>A\u011f de\u011fi\u015fiminde ba\u011flant\u0131y\u0131 koparmama<\/td>\n<td>S\u00fcrekli hareket h\u00e2lindeki mobil kullan\u0131c\u0131<\/td>\n<\/tr>\n<tr>\n<td>L2TP\/IPsec<\/td>\n<td>D\u00fc\u015f\u00fck<\/td>\n<td>Orta<\/td>\n<td>Neredeyse her cihazda haz\u0131r gelir<\/td>\n<td>Yaln\u0131zca ba\u015fka se\u00e7enek yoksa<\/td>\n<\/tr>\n<tr>\n<td>PPTP<\/td>\n<td>Y\u00fcksek<\/td>\n<td>K\u00fc\u00e7\u00fck<\/td>\n<td>Art\u0131k g\u00fcvenli say\u0131lm\u0131yor<\/td>\n<td>Kullan\u0131lmamal\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bug\u00fcn yeni bir kurulum yap\u0131yorsan\u0131z tercih pratikte WireGuard ile OpenVPN aras\u0131nda. <a href=\"https:\/\/www.wireguard.com\/\" title=\"WireGuard resm\u00ee sitesi \u2014 protokol dok\u00fcmantasyonu\" target=\"_blank\" rel=\"noopener\">WireGuard<\/a> daha az kod i\u00e7erdi\u011fi i\u00e7in denetlenmesi kolay ve ba\u011flant\u0131y\u0131 \u00e7ok h\u0131zl\u0131 kuruyor. <a href=\"https:\/\/openvpn.net\/community-resources\/how-to\/\" title=\"OpenVPN resm\u00ee kurulum dok\u00fcmantasyonu\" target=\"_blank\" rel=\"noopener\">OpenVPN<\/a> ise y\u0131llard\u0131r sahada oldu\u011fu i\u00e7in kurumsal senaryolarda h\u00e2l\u00e2 yayg\u0131n.<\/p>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>PPTP protokol\u00fc h\u00e2l\u00e2 bir\u00e7ok y\u00f6nlendiricinin ayar ekran\u0131nda duruyor ve kurulumu kolay oldu\u011fu i\u00e7in tercih ediliyor. \u015eifrelemesindeki zay\u0131fl\u0131klar uzun s\u00fcredir bilindi\u011finden hassas bir trafi\u011fi bu protokole emanet etmeyin.<\/p>\n<\/div>\n<h2>VPN ne i\u015fe yarar, kimler kullanmal\u0131?<\/h2>\n<p>Teknolojinin ger\u00e7ekten fark yaratt\u0131\u011f\u0131 senaryolar s\u0131n\u0131rl\u0131 ama net:<\/p>\n<ul>\n<li><strong>Halka a\u00e7\u0131k a\u011flarda ba\u011flant\u0131 g\u00fcvenli\u011fi.<\/strong> Havaalan\u0131 ya da kafe a\u011f\u0131nda ayn\u0131 a\u011fa ba\u011fl\u0131 ba\u015fka biri trafi\u011finizi izlemeye \u00e7al\u0131\u015f\u0131yorsa \u015fifreli t\u00fcnel bunu engeller.<\/li>\n<li><strong>Uzaktan \u00e7al\u0131\u015fma.<\/strong> \u015eirket i\u00e7i panellere, veritabanlar\u0131na veya y\u00f6netim aray\u00fczlerine internete a\u00e7madan eri\u015fmenin en temiz yolu budur.<\/li>\n<li><strong>Sunucu y\u00f6netimi.<\/strong> Y\u00f6netim portlar\u0131n\u0131 herkese a\u00e7\u0131k b\u0131rakmak yerine yaln\u0131zca VPN a\u011f\u0131ndan eri\u015filebilir yapmak, sald\u0131r\u0131 y\u00fczeyini ciddi bi\u00e7imde daralt\u0131r.<\/li>\n<li><strong>B\u00f6lgesel k\u0131s\u0131tlamalar.<\/strong> Bulundu\u011funuz \u00fclkede a\u00e7\u0131lmayan bir hizmete eri\u015fmek m\u00fcmk\u00fcn olabilir; hizmetin kullan\u0131m \u015fartlar\u0131n\u0131 okumak yine de gerekir.<\/li>\n<\/ul>\n<div class=\"senaryo-block\">\n<p class=\"label\">\u00d6rnek senaryo<\/p>\n<p>Alt\u0131 ki\u015filik bir ajans, m\u00fc\u015fteri sitelerini tek bir sunucuda bar\u0131nd\u0131r\u0131yor. Y\u00f6netim paneline eri\u015fim i\u00e7in sunucunun 22 numaral\u0131 portu internete a\u00e7\u0131kt\u0131 ve g\u00fcnl\u00fck kay\u0131tlarda s\u00fcrekli deneme giri\u015fimleri g\u00f6r\u00fcn\u00fcyordu. Ekip sunucuya bir VPN kurup y\u00f6netim portunu yaln\u0131zca VPN a\u011f\u0131na a\u00e7t\u0131. D\u0131\u015far\u0131dan bak\u0131ld\u0131\u011f\u0131nda port art\u0131k kapal\u0131 g\u00f6r\u00fcn\u00fcyor, ekip ise VPN ba\u011fl\u0131yken normal \u015fekilde \u00e7al\u0131\u015fmaya devam ediyor.<\/p>\n<\/div>\n<p>Bu senaryonun tamamlay\u0131c\u0131s\u0131, y\u00f6netim portunu varsay\u0131lan de\u011ferinden almakt\u0131r. Ad\u0131mlar\u0131 <a href=\"https:\/\/narhost.com\/destek\/ssh-portu-nasil-degistirilir\/\" title=\"SSH portu nas\u0131l de\u011fi\u015ftirilir \u2014 Narhost Destek Merkezi\">SSH portu nas\u0131l de\u011fi\u015ftirilir<\/a> dok\u00fcman\u0131nda anlatt\u0131k. Otomatik deneme sald\u0131r\u0131lar\u0131n\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 merak ediyorsan\u0131z <a href=\"https:\/\/narhost.com\/blog\/brute-force-nedir\/\" title=\"Brute force sald\u0131r\u0131s\u0131 nedir ve nas\u0131l engellenir\">brute force sald\u0131r\u0131s\u0131<\/a> yaz\u0131s\u0131 konuyu ayr\u0131nt\u0131land\u0131r\u0131yor.<\/p>\n<h2>\u00dccretsiz VPN g\u00fcvenli mi?<\/h2>\n<p>Bir VPN hizmetinin sunucu, bant geni\u015fli\u011fi ve bak\u0131m masraf\u0131 vard\u0131r. Hizmet \u00fccretsizse bu masraf\u0131n ba\u015fka bir yerden kar\u015f\u0131lan\u0131yor olmas\u0131 gerekir. Uygulamada bu genelde reklam g\u00f6sterimi, kullan\u0131m verisinin \u00fc\u00e7\u00fcnc\u00fc taraflara sat\u0131lmas\u0131 ya da ba\u011flant\u0131 h\u0131z\u0131n\u0131n kas\u0131tl\u0131 d\u00fc\u015f\u00fcr\u00fcl\u00fcp \u00fccretli pakete y\u00f6nlendirme bi\u00e7iminde kar\u015f\u0131m\u0131za \u00e7\u0131kar.<\/p>\n<p>Sorunun \u00f6z\u00fc \u015fu: VPN kulland\u0131\u011f\u0131n\u0131zda trafi\u011finizi servis sa\u011flay\u0131c\u0131n\u0131zdan gizlemi\u015f olursunuz ama VPN sa\u011flay\u0131c\u0131s\u0131na g\u00f6stermi\u015f olursunuz. G\u00fcven bir taraftan di\u011ferine aktar\u0131l\u0131r, ortadan kalkmaz. Bu y\u00fczden as\u0131l soru &#8220;hangi VPN daha h\u0131zl\u0131&#8221; de\u011fil, <strong>&#8220;trafi\u011fimi kime emanet ediyorum&#8221;<\/strong> sorusudur.<\/p>\n<h2>Kendi VPN sunucunuzu kurmak mant\u0131kl\u0131 m\u0131?<\/h2>\n<p>Yukar\u0131daki g\u00fcven sorusunun en net cevab\u0131, t\u00fcneli kendi sunucunuzda sonland\u0131rmakt\u0131r. Bir <a href=\"https:\/\/narhost.com\/vps-sunucu\" title=\"Narhost VPS sunucu paketleri ve fiyatlar\u0131\">VPS sunucu<\/a> \u00fczerinde WireGuard kurulumu, da\u011f\u0131t\u0131mlar\u0131n paket y\u00f6neticileriyle birlikte yar\u0131m saatlik bir i\u015ftir. Sunucu sizin oldu\u011fu i\u00e7in hangi kayd\u0131n tutuldu\u011funu, hangisinin tutulmad\u0131\u011f\u0131n\u0131 siz belirlersiniz.<\/p>\n<p>Kaba hatlar\u0131yla s\u00fcre\u00e7 \u015f\u00f6yle ilerler: sunucuya ba\u011flan\u0131l\u0131r, protokol\u00fcn paketi kurulur, bir anahtar \u00e7ifti \u00fcretilir, sunucu taraf\u0131nda a\u011f aray\u00fcz\u00fc tan\u0131mlan\u0131r ve istemci cihazlara yap\u0131land\u0131rma dosyas\u0131 da\u011f\u0131t\u0131l\u0131r. Tek kullan\u0131c\u0131 i\u00e7in bir \u00e7ekirdek ve 1 GB bellek fazlas\u0131yla yeterlidir; y\u00fck neredeyse tamamen bant geni\u015fli\u011findedir.<\/p>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p>Kendi sunucunuzda kurdu\u011funuz bir VPN, ayn\u0131 sunucuyu hem g\u00fcvenli eri\u015fim noktas\u0131 hem de proje bar\u0131nd\u0131rma ortam\u0131 olarak kullanman\u0131za imk\u00e2n verir. Ekip i\u00e7in sabit bir \u00e7\u0131k\u0131\u015f IP&#8217;si gerekti\u011finde de en pratik \u00e7\u00f6z\u00fcm budur.<\/p>\n<\/div>\n<h2>VPN, proxy ve SSL aras\u0131ndaki fark<\/h2>\n<p>\u00dc\u00e7\u00fc de &#8220;ba\u011flant\u0131y\u0131 korur&#8221; diye anlat\u0131ld\u0131\u011f\u0131 i\u00e7in s\u0131k kar\u0131\u015ft\u0131r\u0131l\u0131r, oysa farkl\u0131 katmanlarda \u00e7al\u0131\u015f\u0131rlar.<\/p>\n<p><strong>Proxy<\/strong> yaln\u0131zca y\u00f6nlendirdi\u011finiz uygulaman\u0131n trafi\u011fini aktar\u0131r ve \u00e7o\u011fu zaman \u015fifreleme yapmaz. Taray\u0131c\u0131n\u0131z\u0131 bir proxy&#8217;ye y\u00f6nlendirirseniz di\u011fer uygulamalar etkilenmez.<\/p>\n<p><strong>VPN<\/strong> cihaz\u0131n t\u00fcm trafi\u011fini kapsar ve t\u00fcneli \u015fifreler. Uygulama ayr\u0131m\u0131 yapmaz.<\/p>\n<p><strong>SSL\/TLS<\/strong> ise sizinle ziyaret etti\u011finiz site aras\u0131ndaki veriyi korur; adres \u00e7ubu\u011fundaki kilit simgesi bunu g\u00f6sterir. VPN kullanmasan\u0131z da HTTPS ba\u011flant\u0131lar\u0131n\u0131z \u015fifrelidir. Sertifikalar\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 <a href=\"https:\/\/narhost.com\/blog\/ssl-sertifikasi-nedir\/\" title=\"SSL sertifikas\u0131 nedir, t\u00fcrleri ve kurulumu\">SSL sertifikas\u0131 nedir<\/a> yaz\u0131s\u0131nda anlatt\u0131k. Di\u011fer g\u00fcvenlik konular\u0131 i\u00e7in <a href=\"https:\/\/narhost.com\/blog\/kategori\/guvenlik\/\" title=\"Narhost g\u00fcvenlik rehberleri \u2014 SSL, sald\u0131r\u0131 t\u00fcrleri ve korunma\">g\u00fcvenlik rehberlerine<\/a> g\u00f6z atabilirsiniz.<\/p>\n<h2>Kurulum \u00f6ncesi kontrol listesi<\/h2>\n<ul class=\"kontrol-listesi\">\n<li>Amac\u0131n\u0131z\u0131 belirleyin: uzaktan eri\u015fim mi, t\u00fcm trafi\u011fin y\u00f6nlendirilmesi mi?<\/li>\n<li>Protokol\u00fc se\u00e7in; yeni kurulumlarda WireGuard&#8217;la ba\u015flay\u0131n.<\/li>\n<li>Haz\u0131r hizmet kullanacaksan\u0131z sa\u011flay\u0131c\u0131n\u0131n kay\u0131t tutma politikas\u0131n\u0131 okuyun.<\/li>\n<li>Kendi sunucunuzu kuracaksan\u0131z sunucunun bulundu\u011fu \u00fclkeyi bilin\u00e7li se\u00e7in.<\/li>\n<li>Y\u00f6netim portlar\u0131n\u0131 yaln\u0131zca VPN a\u011f\u0131na a\u00e7\u0131k h\u00e2le getirin.<\/li>\n<li>\u0130stemci yap\u0131land\u0131rma dosyalar\u0131n\u0131 payla\u015f\u0131ml\u0131 klas\u00f6rlerde tutmay\u0131n.<\/li>\n<li>Ba\u011flant\u0131 koptu\u011funda trafi\u011fin a\u00e7\u0131k a\u011fdan \u00e7\u0131kmas\u0131n\u0131 engelleyen ayar\u0131 etkinle\u015ftirin.<\/li>\n<\/ul>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a sorulan sorular<\/h2>\n<h3>VPN kullanmak interneti yava\u015flat\u0131r m\u0131?<\/h3>\n<p>Bir miktar yava\u015flama beklenir \u00e7\u00fcnk\u00fc trafik ek bir sunucudan ge\u00e7er ve \u015fifrelenir. Kay\u0131p genelde protokole ve sunucunun uzakl\u0131\u011f\u0131na ba\u011fl\u0131d\u0131r. WireGuard ile yak\u0131n bir sunucu \u00fczerinde fark \u00e7o\u011fu kullan\u0131c\u0131 i\u00e7in hissedilmez; okyanus a\u015f\u0131r\u0131 bir sunucu se\u00e7ildi\u011finde ise gecikme belirgin bi\u00e7imde artar.<\/p>\n<h3>VPN nedir sorusunun k\u0131sa cevab\u0131 nedir?<\/h3>\n<p>Cihaz\u0131n\u0131zla bir sunucu aras\u0131nda \u015fifreli bir t\u00fcnel kuran, internet trafi\u011finizi bu t\u00fcnelden ge\u00e7iren teknolojidir. Bu sayede servis sa\u011flay\u0131c\u0131n\u0131z trafi\u011finizin i\u00e7eri\u011fini, ziyaret etti\u011finiz site ise ger\u00e7ek IP adresinizi g\u00f6remez.<\/p>\n<h3>VPN beni tamamen anonim yapar m\u0131?<\/h3>\n<p>Hay\u0131r. IP adresinizi gizler ama oturum a\u00e7t\u0131\u011f\u0131n\u0131z hesaplar, taray\u0131c\u0131 parmak izi ve \u00e7erezler sizi tan\u0131mlamay\u0131 s\u00fcrd\u00fcr\u00fcr. VPN bir gizlilik katman\u0131d\u0131r, anonimlik garantisi de\u011fildir.<\/p>\n<h3>\u015eirket a\u011f\u0131na ba\u011flanmak i\u00e7in VPN \u015fart m\u0131?<\/h3>\n<p>Alternatifi, i\u00e7 servisleri do\u011frudan internete a\u00e7makt\u0131r ve bu \u00e7ok daha risklidir. Panelleri, veritaban\u0131 portlar\u0131n\u0131 ve y\u00f6netim aray\u00fczlerini kapal\u0131 tutup eri\u015fimi VPN \u00fczerinden vermek yayg\u0131n ve do\u011fru kabul edilen yakla\u015f\u0131md\u0131r.<\/p>\n<h3>Kendi VPN sunucum i\u00e7in hangi kaynak yeterli?<\/h3>\n<p>Birka\u00e7 kullan\u0131c\u0131l\u0131 bir kurulum i\u00e7in tek \u00e7ekirdek ve 1 GB bellek yeterlidir. Belirleyici olan i\u015flemci de\u011fil bant geni\u015fli\u011fidir; ayn\u0131 anda \u00e7ok say\u0131da kullan\u0131c\u0131 ba\u011flanacaksa port kapasitesine bak\u0131n.<\/p>\n<h3>VPN ile HTTPS aras\u0131ndaki fark nedir?<\/h3>\n<p>HTTPS yaln\u0131zca sizinle ziyaret etti\u011finiz site aras\u0131ndaki veriyi \u015fifreler. VPN ise cihaz\u0131n\u0131zla VPN sunucusu aras\u0131ndaki t\u00fcm trafi\u011fi kapsar. \u0130kisi birbirinin yerine ge\u00e7mez, birlikte kullan\u0131l\u0131r.<\/p>\n<\/div>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost&#8217;ta<\/p>\n<p>Kendi VPN sunucunuzu kurmak i\u00e7in tam yetkili bir sunucu yeterli. VPS paketlerinde kurulum an\u0131nda tamamlan\u0131r, i\u015fletim sistemini siz se\u00e7ersiniz ve y\u00f6netimi taray\u0131c\u0131 terminalinden yapars\u0131n\u0131z.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/vps-sunucu\" title=\"Narhost VPS sunucu paketleri ve fiyatlar\u0131\" aria-label=\"VPS sunucu paketlerini incele\">VPS paketlerini g\u00f6r<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>VPN nedir sorusunun teknik cevab\u0131, protokoller aras\u0131ndaki farklar, \u00fccretsiz hizmetlerin riskleri ve kendi VPN sunucunuzu kurman\u0131n ne zaman mant\u0131kl\u0131 oldu\u011fu.<\/p>\n","protected":false},"author":1,"featured_media":2227,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-528","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik"],"_links":{"self":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/comments?post=528"}],"version-history":[{"count":7,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/528\/revisions"}],"predecessor-version":[{"id":2217,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/528\/revisions\/2217"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media\/2227"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media?parent=528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/categories?post=528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/tags?post=528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}