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content/posts/ssh-fail2ban.md

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+---
+title: fail2ban для SSH
+description: Защита от брута пароля к SSH
+date: 2022-11-29T13:41:00+05:00
+tags: [linux, ssh]
+---
+## Установка пакета fail2ban
+```shell
+apt -y install fail2ban
+```
+
+## Правило для ssh
+``` shell
+[sshd]
+enabled  = true
+port     = <ssh-port>
+filter   = sshd
+logpath  = /var/log/auth.log
+maxretry = 3
+findtime = 300
+bantime  = 3600
+
+# /etc/fail2ban/jail.d/sshd.conf
+```
+
+## Перезапуск сервиса fail2ban
+```shell
+systemctl restart fail2ban
+```