{"id":20093,"date":"2026-05-15T15:39:56","date_gmt":"2026-05-15T12:39:56","guid":{"rendered":"https:\/\/unihost.com\/help\/?p=20093"},"modified":"2026-05-15T15:39:56","modified_gmt":"2026-05-15T12:39:56","slug":"linux-vps-security-hardening","status":"publish","type":"post","link":"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/","title":{"rendered":"\u0411\u0430\u0437\u043e\u0432\u0435 \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438 Linux VPS \u043f\u0456\u0441\u043b\u044f \u043f\u043e\u043a\u0443\u043f\u043a\u0438"},"content":{"rendered":"

\u041f\u0456\u0441\u043b\u044f \u043f\u043e\u043a\u0443\u043f\u043a\u0438 VPS \u0441\u0435\u0440\u0432\u0435\u0440 \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0438\u0439 \u0437 \u0456\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0443, \u0442\u043e\u043c\u0443 \u0439\u043e\u0433\u043e \u043a\u0440\u0430\u0449\u0435 \u0437\u0430\u0445\u0438\u0441\u0442\u0438\u0442\u0438 \u0434\u043e \u0432\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0441\u0430\u0439\u0442\u0456\u0432, \u043f\u0430\u043d\u0435\u043b\u0435\u0439 \u043a\u0435\u0440\u0443\u0432\u0430\u043d\u043d\u044f, \u0431\u0430\u0437 \u0434\u0430\u043d\u0438\u0445 \u0430\u0431\u043e Docker-\u0437\u0430\u0441\u0442\u043e\u0441\u0443\u043d\u043a\u0456\u0432. \u0411\u0430\u0437\u043e\u0432\u0435 \u043d\u0430\u043b\u0430\u0448\u0442\u0443\u0432\u0430\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438 \u0434\u043e\u043f\u043e\u043c\u0430\u0433\u0430\u0454 \u0437\u043d\u0438\u0437\u0438\u0442\u0438 \u0440\u0438\u0437\u0438\u043a brute force \u0430\u0442\u0430\u043a, \u0437\u0430\u043a\u0440\u0438\u0442\u0438 \u0437\u0430\u0439\u0432\u0456 \u043f\u043e\u0440\u0442\u0438 \u0442\u0430 \u0437\u0430\u0445\u0438\u0441\u0442\u0438\u0442\u0438 \u0441\u0435\u0440\u0432\u0435\u0440 \u0432\u0456\u0434 \u0442\u0438\u043f\u043e\u0432\u0438\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u043d\u0438\u0445 \u0441\u043a\u0430\u043d\u0443\u0432\u0430\u043d\u044c.<\/p>\n

1. \u041e\u043d\u043e\u0432\u0456\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u0443<\/h2>\n

\u041f\u0435\u0440\u0448\u0435, \u0449\u043e \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u043e \u0437\u0440\u043e\u0431\u0438\u0442\u0438 \u043f\u0456\u0441\u043b\u044f \u0432\u0445\u043e\u0434\u0443 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440, \u2014 \u043e\u043d\u043e\u0432\u0438\u0442\u0438 \u043f\u0430\u043a\u0435\u0442\u0438. \u0426\u0435 \u0437\u0430\u043a\u0440\u0438\u0432\u0430\u0454 \u0432\u0456\u0434\u043e\u043c\u0456 \u0432\u0440\u0430\u0437\u043b\u0438\u0432\u043e\u0441\u0442\u0456 \u0442\u0430 \u0432\u0438\u043f\u0440\u0430\u0432\u043b\u044f\u0454 \u043f\u043e\u043c\u0438\u043b\u043a\u0438 \u0443 \u0432\u0436\u0435 \u0432\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430\u0445.<\/p>\n

\u0414\u043b\u044f Debian\/Ubuntu:<\/p>\n

sudo apt update\n<\/span>sudo apt upgrade -y<\/span><\/span><\/pre>\n
\u0414\u043b\u044f AlmaLinux\/Rocky Linux\/CentOS:<\/p>\n
sudo dnf update -y<\/span><\/pre>\n
\u041f\u0456\u0441\u043b\u044f \u0432\u0435\u043b\u0438\u043a\u043e\u0433\u043e \u043e\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u043c\u043e\u0436\u0435 \u0437\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u0438\u0441\u044f \u043f\u0435\u0440\u0435\u0437\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f:<\/p>\n
sudo reboot<\/span><\/pre>\n
2. \u0421\u0442\u0432\u043e\u0440\u0456\u0442\u044c \u043e\u043a\u0440\u0435\u043c\u043e\u0433\u043e \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0430 \u0437\u0430\u043c\u0456\u0441\u0442\u044c root<\/b><\/span><\/h2>\n
\u041d\u0435 \u0432\u0430\u0440\u0442\u043e \u043f\u043e\u0441\u0442\u0456\u0439\u043d\u043e \u043f\u0440\u0430\u0446\u044e\u0432\u0430\u0442\u0438 \u043f\u0456\u0434 root. \u041a\u0440\u0430\u0449\u0435 \u0441\u0442\u0432\u043e\u0440\u0438\u0442\u0438 \u043e\u043a\u0440\u0435\u043c\u043e\u0433\u043e \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0430 \u0442\u0430 \u043d\u0430\u0434\u0430\u0442\u0438 \u0439\u043e\u043c\u0443 \u043f\u0440\u0430\u0432\u0430 \u0430\u0434\u043c\u0456\u043d\u0456\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 sudo.<\/p>\n
sudo adduser adminuser<\/span>\nsudo usermod -aG sudo adminuser<\/span><\/pre>\n
\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u0432\u0445\u0456\u0434 \u043f\u0456\u0434 \u043d\u043e\u0432\u0438\u043c \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447\u0435\u043c:<\/p>\n
ssh adminuser@SERVER_IP<\/span><\/pre>\n
\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u043f\u0440\u0430\u0432\u0430 sudo:<\/p>\n
sudo whoami<\/span><\/pre>\n
\u041e\u0447\u0456\u043a\u0443\u0432\u0430\u043d\u0430 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u044c:<\/p>\n
root<\/span><\/pre>\n
\u041f\u043e\u043f\u0435\u0440\u0435\u0434\u0436\u0435\u043d\u043d\u044f<\/strong>
\u041f\u0435\u0440\u0435\u0434 \u0432\u0438\u043c\u043a\u043d\u0435\u043d\u043d\u044f\u043c \u0432\u0445\u043e\u0434\u0443 \u043f\u0456\u0434 root \u043f\u0435\u0440\u0435\u043a\u043e\u043d\u0430\u0439\u0442\u0435\u0441\u044f, \u0449\u043e \u043d\u043e\u0432\u0438\u0439 \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0432\u0430\u0447 \u0443\u0441\u043f\u0456\u0448\u043d\u043e \u0432\u0445\u043e\u0434\u0438\u0442\u044c \u0447\u0435\u0440\u0435\u0437 SSH.<\/p>\n
3. \u041d\u0430\u043b\u0430\u0448\u0442\u0443\u0439\u0442\u0435 SSH-\u043a\u043b\u044e\u0447\u0456 \u0442\u0430 \u0432\u0438\u043c\u043a\u043d\u0456\u0442\u044c \u0432\u0445\u0456\u0434 \u0437\u0430 \u043f\u0430\u0440\u043e\u043b\u0435\u043c<\/b><\/span><\/h2>\n
\u041f\u0430\u0440\u043e\u043b\u044c \u043c\u043e\u0436\u043d\u0430 \u043f\u0456\u0434\u0456\u0431\u0440\u0430\u0442\u0438 brute force \u0430\u0442\u0430\u043a\u043e\u044e. SSH-\u043a\u043b\u044e\u0447\u0456 \u0437\u043d\u0430\u0447\u043d\u043e \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0456\u0448\u0456, \u0442\u043e\u043c\u0443 \u043a\u0440\u0430\u0449\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0441\u0430\u043c\u0435 \u0457\u0445.<\/p>\n
\u041d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043a\u043e\u043c\u043f\u2019\u044e\u0442\u0435\u0440\u0456 \u0441\u0442\u0432\u043e\u0440\u0456\u0442\u044c \u043a\u043b\u044e\u0447:<\/p>\n
ssh-keygen -t ed25519 -C \"admin@example.com\"<\/span><\/pre>\n
\u0421\u043a\u043e\u043f\u0456\u044e\u0439\u0442\u0435 \u043a\u043b\u044e\u0447 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440:<\/p>\n
ssh-copy-id adminuser@SERVER_IP<\/span><\/pre>\n
\u041f\u0456\u0441\u043b\u044f \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0438 \u0432\u0445\u043e\u0434\u0443 \u0437\u0430 \u043a\u043b\u044e\u0447\u0435\u043c \u0432\u0456\u0434\u043a\u0440\u0438\u0439\u0442\u0435 SSH-\u043a\u043e\u043d\u0444\u0456\u0433:<\/p>\n
sudo nano \/etc\/ssh\/sshd_config<\/span><\/pre>\n
\u0412\u043a\u0430\u0436\u0456\u0442\u044c:<\/p>\n
PubkeyAuthentication yes<\/span>\nPasswordAuthentication no<\/span>\nKbdInteractiveAuthentication no<\/span>\nPermitRootLogin no<\/span>\nMaxAuthTries 3<\/span><\/pre>\n
\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044e:<\/p>\n
sudo sshd -t<\/span><\/pre>\n
\u041f\u0435\u0440\u0435\u0437\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0442\u0435 SSH:<\/p>\n
sudo systemctl reload ssh<\/span><\/pre>\n
\u0430\u0431\u043e:<\/p>\n
sudo systemctl reload sshd<\/span><\/pre>\n
\u0412\u0430\u0436\u043b\u0438\u0432\u043e<\/strong>
\u041d\u0435 \u0437\u0430\u043a\u0440\u0438\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0442\u043e\u0447\u043d\u0443 SSH-\u0441\u0435\u0441\u0456\u044e, \u0434\u043e\u043a\u0438 \u043d\u0435 \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u0438\u0442\u0435 \u0432\u0445\u0456\u0434 \u0443 \u043d\u043e\u0432\u0456\u0439 \u0432\u043a\u043b\u0430\u0434\u0446\u0456 \u0442\u0435\u0440\u043c\u0456\u043d\u0430\u043b\u0430.<\/p>\n
4. \u0423\u0432\u0456\u043c\u043a\u043d\u0456\u0442\u044c firewall \u0456 \u0437\u0430\u043b\u0438\u0448\u0442\u0435 \u0442\u0456\u043b\u044c\u043a\u0438 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0456 \u043f\u043e\u0440\u0442\u0438<\/b><\/span><\/h2>\n
Firewall \u043c\u0430\u0454 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u0442\u0438 \u0442\u0456\u043b\u044c\u043a\u0438 \u0442\u0456 \u043f\u043e\u0440\u0442\u0438, \u044f\u043a\u0456 \u0441\u043f\u0440\u0430\u0432\u0434\u0456 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0456. \u0414\u043b\u044f \u0437\u0432\u0438\u0447\u0430\u0439\u043d\u043e\u0433\u043e \u0432\u0435\u0431\u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0430\u0439\u0447\u0430\u0441\u0442\u0456\u0448\u0435 \u0434\u043e\u0441\u0442\u0430\u0442\u043d\u044c\u043e:<\/p>\n
22\/tcp \u00a0 \u2014 SSH
\n<\/span>80\/tcp \u00a0 \u2014 HTTP
\n<\/span>443\/tcp\u00a0 \u2014 HTTPS<\/span><\/span><\/p>\n
\u0412\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044f UFW \u043d\u0430 Debian\/Ubuntu:<\/p>\n
sudo apt install ufw -y<\/span><\/pre>\n
\u0414\u043e\u0437\u0432\u043e\u043b\u044c\u0442\u0435 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0456 \u043f\u043e\u0440\u0442\u0438:<\/p>\n
sudo ufw allow 22\/tcp<\/span>\nsudo ufw allow 80\/tcp<\/span>\nsudo ufw allow 443\/tcp<\/span><\/pre>\n
\u0423\u0432\u0456\u043c\u043a\u043d\u0456\u0442\u044c firewall:<\/p>\n
sudo ufw enable<\/span><\/pre>\n
\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u0441\u0442\u0430\u0442\u0443\u0441:<\/p>\n
sudo ufw status verbose<\/span><\/pre>\n
\u0411\u0456\u043b\u044c\u0448 \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0438\u0439 \u0432\u0430\u0440\u0456\u0430\u043d\u0442 \u2014 \u0434\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u0438 SSH \u0442\u0456\u043b\u044c\u043a\u0438 \u0437 \u0432\u0430\u0448\u043e\u0457 IP-\u0430\u0434\u0440\u0435\u0441\u0438:<\/p>\n
sudo ufw allow from YOUR_TRUSTED_IP to any port 22 proto tcp<\/span>\nsudo ufw deny 22\/tcp<\/span><\/pre>\n
5. \u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u0456 \u043f\u043e\u0440\u0442\u0438 \u0442\u0430 \u0432\u0438\u043c\u043a\u043d\u0456\u0442\u044c \u0437\u0430\u0439\u0432\u0456 \u0441\u0435\u0440\u0432\u0456\u0441\u0438<\/b><\/span><\/h2>\n
\u041f\u0456\u0441\u043b\u044f \u043d\u0430\u043b\u0430\u0448\u0442\u0443\u0432\u0430\u043d\u043d\u044f firewall \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435, \u044f\u043a\u0456 \u0441\u0435\u0440\u0432\u0456\u0441\u0438 \u0441\u043b\u0443\u0445\u0430\u044e\u0442\u044c \u043f\u043e\u0440\u0442\u0438:<\/p>\n
sudo ss -tulpn<\/span><\/pre>\n
\u0417\u0432\u0435\u0440\u043d\u0456\u0442\u044c \u0443\u0432\u0430\u0433\u0443 \u043d\u0430 \u0430\u0434\u0440\u0435\u0441\u0438:<\/p>\n
0.0.0.0:PORT\u00a0 \u00a0 \u00a0 \u2014 \u0441\u0435\u0440\u0432\u0438\u0441 \u0441\u043b\u0443\u0448\u0430\u0435\u0442 \u043d\u0430 \u0432\u0441\u0435\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u0445
\n<\/span>127.0.0.1:PORT\u00a0 \u00a0 \u2014 \u0441\u0435\u0440\u0432\u0438\u0441 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e<\/span><\/span><\/p>\n
\u0411\u0430\u0437\u0438 \u0434\u0430\u043d\u0438\u0445 \u0456 \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u0456 \u0441\u0435\u0440\u0432\u0456\u0441\u0438 \u0437\u0430\u0437\u0432\u0438\u0447\u0430\u0439 \u043d\u0435 \u043c\u0430\u044e\u0442\u044c \u0431\u0443\u0442\u0438 \u0432\u0456\u0434\u043a\u0440\u0438\u0442\u0456 \u043d\u0430\u0437\u043e\u0432\u043d\u0456:<\/p>\n
MySQL\/MariaDB\u00a0 \u2014 3306
\n<\/span>PostgreSQL \u00a0 \u00a0 \u2014 5432
\n<\/span>Redis\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2014 6379
\n<\/span>MongoDB\u00a0 \u00a0 \u00a0 \u00a0 \u2014 27017<\/span><\/span><\/p>\n
\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0438\u0442\u0438 \u0437\u0430\u043f\u0443\u0449\u0435\u043d\u0456 \u0441\u0435\u0440\u0432\u0456\u0441\u0438:<\/p>\n
systemctl --type=service --state=running<\/span><\/pre>\n
\u0417\u0443\u043f\u0438\u043d\u0438\u0442\u0438 \u0439 \u0432\u0438\u043c\u043a\u043d\u0443\u0442\u0438 \u043d\u0435\u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0438\u0439 \u0441\u0435\u0440\u0432\u0456\u0441:<\/p>\n
sudo systemctl disable --now SERVICE_NAME<\/span><\/pre>\n
6. \u0412\u0441\u0442\u0430\u043d\u043e\u0432\u0456\u0442\u044c Fail2Ban<\/b><\/span><\/h2>\n
Fail2Ban \u0437\u0430\u0445\u0438\u0449\u0430\u0454 SSH \u0432\u0456\u0434 \u043c\u0430\u0441\u043e\u0432\u0438\u0445 \u0441\u043f\u0440\u043e\u0431 \u0432\u0445\u043e\u0434\u0443. \u0412\u0456\u043d \u0430\u043d\u0430\u043b\u0456\u0437\u0443\u0454 \u043b\u043e\u0433\u0438 \u0442\u0430 \u0442\u0438\u043c\u0447\u0430\u0441\u043e\u0432\u043e \u0431\u043b\u043e\u043a\u0443\u0454 IP-\u0430\u0434\u0440\u0435\u0441\u0438, \u0437 \u044f\u043a\u0438\u0445 \u043d\u0430\u0434\u0445\u043e\u0434\u0438\u0442\u044c \u0431\u0430\u0433\u0430\u0442\u043e \u043d\u0435\u0432\u0434\u0430\u043b\u0438\u0445 \u0441\u043f\u0440\u043e\u0431 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0456\u0457.<\/p>\n
\u0412\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044f:<\/p>\n
sudo apt install fail2ban -y<\/span><\/pre>\n
\u0421\u0442\u0432\u043e\u0440\u0456\u0442\u044c \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044e \u0434\u043b\u044f SSH:<\/p>\n
sudo nano \/etc\/fail2ban\/jail.d\/sshd.local<\/span><\/pre>\n
\u041f\u0440\u0438\u043a\u043b\u0430\u0434:<\/p>\n
[sshd]<\/span>\nenabled = true<\/span>\nport = ssh<\/span>\nfilter = sshd<\/span>\nbackend = systemd<\/span>\nmaxretry = 5<\/span>\nfindtime = 10m<\/span>\nbantime = 1h<\/span><\/pre>\n
\u0417\u0430\u043f\u0443\u0441\u0442\u0456\u0442\u044c Fail2Ban:<\/p>\n
sudo systemctl enable --now fail2ban<\/span>\nsudo systemctl restart fail2ban<\/span><\/pre>\n
\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u0442\u0435 \u0441\u0442\u0430\u0442\u0443\u0441:<\/p>\n
sudo fail2ban-client status sshd<\/span><\/pre>\n
\u041f\u0456\u0434\u0441\u0443\u043c\u043e\u043a<\/h3>\n
\u0411\u0430\u0437\u043e\u0432\u0435 \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438 VPS \u043c\u043e\u0436\u043d\u0430 \u0437\u0432\u0435\u0441\u0442\u0438 \u0434\u043e \u0448\u0435\u0441\u0442\u0438 \u0433\u043e\u043b\u043e\u0432\u043d\u0438\u0445 \u0434\u0456\u0439:<\/p>\n
    \n
  • \u043e\u043d\u043e\u0432\u0438\u0442\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0443;<\/li>\n
  • \u0441\u0442\u0432\u043e\u0440\u0438\u0442\u0438 \u043e\u043a\u0440\u0435\u043c\u043e\u0433\u043e \u0430\u0434\u043c\u0456\u043d\u0456\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430;<\/li>\n
  • \u0437\u0430\u0445\u0438\u0441\u0442\u0438\u0442\u0438 SSH;<\/li>\n
  • \u0443\u0432\u0456\u043c\u043a\u043d\u0443\u0442\u0438 firewall;<\/li>\n
  • \u0437\u0430\u043a\u0440\u0438\u0442\u0438 \u0437\u0430\u0439\u0432\u0456 \u043f\u043e\u0440\u0442\u0438 \u0442\u0430 \u0441\u0435\u0440\u0432\u0456\u0441\u0438;<\/li>\n
  • \u0432\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0438 Fail2Ban \u0456 \u043d\u0430\u043b\u0430\u0448\u0442\u0443\u0432\u0430\u0442\u0438 backup.<\/li>\n<\/ul>\n
    \u0426\u0456 \u043a\u0440\u043e\u043a\u0438 \u043d\u0435 \u0440\u043e\u0431\u043b\u044f\u0442\u044c \u0441\u0435\u0440\u0432\u0435\u0440 \u043f\u043e\u0432\u043d\u0456\u0441\u0442\u044e \u043d\u0435\u0432\u0440\u0430\u0437\u043b\u0438\u0432\u0438\u043c, \u0430\u043b\u0435 \u0437\u043d\u0430\u0447\u043d\u043e \u0437\u043d\u0438\u0436\u0443\u044e\u0442\u044c \u0440\u0438\u0437\u0438\u043a \u0442\u0438\u043f\u043e\u0432\u0438\u0445 \u0430\u0442\u0430\u043a \u0456 \u043f\u043e\u043c\u0438\u043b\u043e\u043a \u043f\u0456\u0441\u043b\u044f \u043f\u043e\u043a\u0443\u043f\u043a\u0438 VPS.<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u041f\u0456\u0441\u043b\u044f \u043f\u043e\u043a\u0443\u043f\u043a\u0438 VPS \u0441\u0435\u0440\u0432\u0435\u0440 \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0438\u0439 \u0437 \u0456\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0443, \u0442\u043e\u043c\u0443 \u0439\u043e\u0433\u043e \u043a\u0440\u0430\u0449\u0435 \u0437\u0430\u0445\u0438\u0441\u0442\u0438\u0442\u0438 \u0434\u043e \u0432\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0441\u0430\u0439\u0442\u0456\u0432, \u043f\u0430\u043d\u0435\u043b\u0435\u0439 \u043a\u0435\u0440\u0443\u0432\u0430\u043d\u043d\u044f, \u0431\u0430\u0437 \u0434\u0430\u043d\u0438\u0445 \u0430\u0431\u043e Docker-\u0437\u0430\u0441\u0442\u043e\u0441\u0443\u043d\u043a\u0456\u0432. \u0411\u0430\u0437\u043e\u0432\u0435 \u043d\u0430\u043b\u0430\u0448\u0442\u0443\u0432\u0430\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438 \u0434\u043e\u043f\u043e\u043c\u0430\u0433\u0430\u0454 \u0437\u043d\u0438\u0437\u0438\u0442\u0438 \u0440\u0438\u0437\u0438\u043a brute force \u0430\u0442\u0430\u043a, \u0437\u0430\u043a\u0440\u0438\u0442\u0438 \u0437\u0430\u0439\u0432\u0456 \u043f\u043e\u0440\u0442\u0438 \u0442\u0430 \u0437\u0430\u0445\u0438\u0441\u0442\u0438\u0442\u0438 \u0441\u0435\u0440\u0432\u0435\u0440 \u0432\u0456\u0434 \u0442\u0438\u043f\u043e\u0432\u0438\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u043d\u0438\u0445 \u0441\u043a\u0430\u043d\u0443\u0432\u0430\u043d\u044c. 1. \u041e\u043d\u043e\u0432\u0456\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u041f\u0435\u0440\u0448\u0435, \u0449\u043e \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u043e \u0437\u0440\u043e\u0431\u0438\u0442\u0438 \u043f\u0456\u0441\u043b\u044f \u0432\u0445\u043e\u0434\u0443 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440, \u2014 \u043e\u043d\u043e\u0432\u0438\u0442\u0438 \u043f\u0430\u043a\u0435\u0442\u0438. \u0426\u0435 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[843],"tags":[847],"class_list":["post-20093","post","type-post","status-publish","format-standard","hentry","category-general","tag-linux-uk"],"yoast_head":"\nBasic Linux VPS Security Hardening After Purchase<\/title>\n<meta name=\"description\" content=\"Basic steps to secure a Linux VPS after purchase: system updates, a separate sudo user, SSH keys, firewall setup, open port checks, and Fail2Ban.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\" \/>\n<meta property=\"og:locale\" content=\"uk_UA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Basic Linux VPS Security Hardening After Purchase\" \/>\n<meta property=\"og:description\" content=\"Basic steps to secure a Linux VPS after purchase: system updates, a separate sudo user, SSH keys, firewall setup, open port checks, and Fail2Ban.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\" \/>\n<meta property=\"og:site_name\" content=\"Unihost.FAQ\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/unihost\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-15T12:39:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/unihost.com\/help\/minio.php?.\/unihost-logo-alt.png\" \/>\n\t<meta property=\"og:image:width\" content=\"250\" \/>\n\t<meta property=\"og:image:height\" content=\"141\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Unihost Support\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@unihost\" \/>\n<meta name=\"twitter:site\" content=\"@unihost\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e\" \/>\n\t<meta name=\"twitter:data1\" content=\"Unihost Support\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u0431\u043b. \u0447\u0430\u0441 \u0447\u0438\u0442\u0430\u043d\u043d\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u0445\u0432\u0438\u043b\u0438\u043d\u0438\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\"},\"author\":{\"name\":\"Unihost Support\",\"@id\":\"https:\/\/unihost.com\/help\/uk\/#\/schema\/person\/bb5ae95f38577c920e6a7507888b715a\"},\"headline\":\"\u0411\u0430\u0437\u043e\u0432\u0435 \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438 Linux VPS \u043f\u0456\u0441\u043b\u044f \u043f\u043e\u043a\u0443\u043f\u043a\u0438\",\"datePublished\":\"2026-05-15T12:39:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\"},\"wordCount\":374,\"publisher\":{\"@id\":\"https:\/\/unihost.com\/help\/uk\/#organization\"},\"keywords\":[\"Linux\"],\"articleSection\":[\"01. \u0417\u0430\u0433\u0430\u043b\u044c\u043d\u0435\"],\"inLanguage\":\"uk\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\",\"url\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\",\"name\":\"Basic Linux VPS Security Hardening After Purchase\",\"isPartOf\":{\"@id\":\"https:\/\/unihost.com\/help\/uk\/#website\"},\"datePublished\":\"2026-05-15T12:39:56+00:00\",\"description\":\"Basic steps to secure a Linux VPS after purchase: system updates, a separate sudo user, SSH keys, firewall setup, open port checks, and Fail2Ban.\",\"breadcrumb\":{\"@id\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/#breadcrumb\"},\"inLanguage\":\"uk\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/unihost.com\/help\/uk\/linux-vps-security-hardening\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Unihost\",\"item\":\"https:\/\/unihost.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Help\",\"item\":\"https:\/\/unihost.com\/help\/uk\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u0411\u0430\u0437\u043e\u0432\u0435 \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u0431\u0435\u0437\u043f\u0435\u043a\u0438 Linux VPS \u043f\u0456\u0441\u043b\u044f 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