{"id":111,"date":"2026-05-23T11:47:53","date_gmt":"2026-05-23T11:47:53","guid":{"rendered":"https:\/\/blog.turbyte.net\/index.php\/2026\/05\/23\/ubuntu-vps-guvenlik-ayarlari\/"},"modified":"2026-05-23T11:47:53","modified_gmt":"2026-05-23T11:47:53","slug":"ubuntu-vps-guvenlik-ayarlari","status":"publish","type":"post","link":"https:\/\/blog.turbyte.net\/index.php\/2026\/05\/23\/ubuntu-vps-guvenlik-ayarlari\/","title":{"rendered":"Ubuntu VPS G\u00fcvenlik Ayarlar\u0131"},"content":{"rendered":"

Ubuntu VPS G\u00fcvenlik Ayarlar\u0131<\/h2>\n

Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131n do\u011fru \u015fekilde yap\u0131lmas\u0131, sunucunuzun k\u00f6t\u00fc niyetli sald\u0131r\u0131lara kar\u015f\u0131 korunmas\u0131n\u0131 sa\u011flar. Bu makalede, Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131 ayr\u0131nt\u0131l\u0131 olarak a\u00e7\u0131klanacak ve sizlere sundu\u011fu avantajlar hakk\u0131nda bilgi verece\u011fiz.<\/p>\n

Ubuntu VPS G\u00fcvenlik Ayarlar\u0131 Neden \u00d6nemlidir?<\/h2>\n

K\u00f6t\u00fc niyetli sald\u0131r\u0131lar, sunucunuzun verilerini kaybetmeni, site h\u0131z\u0131 d\u00fc\u015fman\u0131 ve hatta sunucunuzun tamamen kapanmas\u0131na neden olabilir. Bu nedenle, Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131 do\u011fru \u015fekilde yapman\u0131z \u00e7ok \u00f6nemlidir.<\/p>\n

G\u00fcvenlik Ayarlar\u0131 Nereden Ba\u015flayal\u0131m?<\/h2>\n

G\u00fcvenlik ayarlar\u0131n\u0131 yapmadan \u00f6nce, sunucunuzun temel ayarlar\u0131n\u0131 kontrol etmeniz gerekir. Sunucunuzun i\u015fletim sistemi, a\u011f ayarlar\u0131, kullan\u0131c\u0131 haklar\u0131 gibi ayarlar\u0131 kontrol etmelisiniz.<\/p>\n

1. SSH G\u00fcvenli\u011fi<\/h3>\n

SSH (Secure Shell) sunucunuza eri\u015fim sa\u011flamak i\u00e7in kullan\u0131l\u0131r. Ancak SSH’de g\u00fcvenlik riskleri de vard\u0131r. SSH \u015fifreleme algoritmas\u0131n\u0131 ve SSH port numaras\u0131n\u0131 de\u011fi\u015ftirmek, SSH’ye eri\u015fimi k\u0131s\u0131tlamak ve SSH’den uzak s\u0131n\u0131rlamalar uygulanabilir.<\/p>\n

SSH \u015fifreleme algoritmas\u0131n\u0131 de\u011fi\u015ftirmek i\u00e7in ssh<\/code> komutunu kullanabilirsiniz:<\/p>\n

sudo ssh-keygen -t rsa -b 4096<\/code><\/p>\n

SSH port numaras\u0131n\u0131 de\u011fi\u015ftirmek i\u00e7in sshd_config<\/code> dosyas\u0131n\u0131 d\u00fczenleyebilirsiniz:<\/p>\n

sudo nano \/etc\/ssh\/sshd_config<\/code><\/p>\n

SSH’ye eri\u015fimi k\u0131s\u0131tlamak i\u00e7in ssh<\/code> komutunu kullanabilirsiniz:<\/p>\n

ssh -o \"StrictHostKeyChecking=no\" user@sunucu-adresi<\/code><\/p>\n

SSH’den uzak s\u0131n\u0131rlamalar uygulanabilir. SSH’den uzak s\u0131n\u0131rlamalarla sunucunuza eri\u015fimi k\u0131s\u0131tlamak i\u00e7in ssh<\/code> komutunu kullanabilirsiniz:<\/p>\n

ssh -o \"ControlMaster=no\" user@sunucu-adresi<\/code><\/p>\n

2. Firewall Ayarlar\u0131<\/h3>\n

Firewall, sunucunuza gelen ve giden trafi\u011fi k\u0131s\u0131tlamak i\u00e7in kullan\u0131l\u0131r. Ubuntu’da firewall ayar\u0131 i\u00e7in ufw<\/code> (Uncomplicated Firewall) kullan\u0131l\u0131r.<\/p>\n

Firewall ayarlar\u0131n\u0131 yapmadan \u00f6nce, ufw<\/code> paketini y\u00fcklemeniz gerekir:<\/p>\n

sudo apt-get update && sudo apt-get install ufw<\/code><\/p>\n

Firewall ayar\u0131 i\u00e7in ufw<\/code> komutunu kullanabilirsiniz:<\/p>\n

sudo ufw default deny incoming<\/code>
\n sudo ufw default allow outgoing<\/code>
\n sudo ufw allow ssh<\/code><\/p>\n

3. Kullan\u0131c\u0131 Haklar\u0131<\/h3>\n

Kullan\u0131c\u0131 haklar\u0131, sunucunuzun eri\u015filebilirli\u011fini kontrol eder. Kullan\u0131c\u0131 haklar\u0131n\u0131 ayarlama konusunda, kullan\u0131c\u0131lar\u0131n eri\u015febilece\u011fi dosyalar\u0131 ve dizinleri kontrol etmelisiniz.<\/p>\n

Kullan\u0131c\u0131 haklar\u0131n\u0131 ayarlama i\u00e7in chmod<\/code> komutunu kullanabilirsiniz:<\/p>\n

sudo chmod 755 \/path\/to\/directory<\/code><\/p>\n

Kullan\u0131c\u0131 haklar\u0131n\u0131 ayarlama i\u00e7in chown<\/code> komutunu kullanabilirsiniz:<\/p>\n

sudo chown user:group \/path\/to\/file<\/code><\/p>\n

\u00d6neriler<\/h2>\n

K\u00f6t\u00fc niyetli sald\u0131r\u0131lar, sunucunuzun verilerini kaybetmeni, site h\u0131z\u0131 d\u00fc\u015fman\u0131 ve hatta sunucunuzun tamamen kapanmas\u0131na neden olabilir. Bu nedenle, Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131 do\u011fru \u015fekilde yapman\u0131z \u00e7ok \u00f6nemlidir.<\/p>\n

SSH \u015fifreleme algoritmas\u0131n\u0131 de\u011fi\u015ftirmek, SSH port numaras\u0131n\u0131 de\u011fi\u015ftirmek, SSH’ye eri\u015fimi k\u0131s\u0131tlamak ve SSH’den uzak s\u0131n\u0131rlamalar uygulanabilir.<\/p>\n

Firewall ayar\u0131 i\u00e7in ufw<\/code> paketini y\u00fcklemeniz gerekir.<\/p>\n

Kullan\u0131c\u0131 haklar\u0131n\u0131 ayarlama konusunda, kullan\u0131c\u0131lar\u0131n eri\u015febilece\u011fi dosyalar\u0131 ve dizinleri kontrol etmelisiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ubuntu VPS G\u00fcvenlik Ayarlar\u0131 Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131n do\u011fru \u015fekilde yap\u0131lmas\u0131, sunucunuzun k\u00f6t\u00fc niyetli sald\u0131r\u0131lara kar\u015f\u0131 korunmas\u0131n\u0131 sa\u011flar. Bu makalede, Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131 ayr\u0131nt\u0131l\u0131…<\/p>\n","protected":false},"author":1,"featured_media":110,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[154,58,155,57,141,153],"class_list":["post-111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sanal-sunucu","tag-firewall-ayarlari","tag-intel-sanal-sunucu-kirala","tag-kullanici-haklari","tag-ryzen-vds-kirala","tag-ssh-guvenligi","tag-ubuntu-vps-guvenlik-ayarlari"],"yoast_head":"\nUbuntu VPS G\u00fcvenlik Ayarlar\u0131 - Turbyte blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.turbyte.net\/index.php\/2026\/05\/23\/ubuntu-vps-guvenlik-ayarlari\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ubuntu VPS G\u00fcvenlik Ayarlar\u0131 - Turbyte blog\" \/>\n<meta property=\"og:description\" content=\"Ubuntu VPS G\u00fcvenlik Ayarlar\u0131 Ubuntu VPS g\u00fcvenlik ayarlar\u0131n\u0131n do\u011fru \u015fekilde yap\u0131lmas\u0131, sunucunuzun k\u00f6t\u00fc niyetli sald\u0131r\u0131lara kar\u015f\u0131 korunmas\u0131n\u0131 sa\u011flar. 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