Ubuntu配置Fail2Ban防止SSH暴力破解与邮件预警

Aug 27, 2023 // 大蚊子

1
  systemctl restart fail2ban
2  systemctl status fail2ban
3
4  fail2ban-client reload
5  fail2ban-client status sshd
6  fail2ban-client status ssh-iptables
7  fail2ban-client set ssh-iptables unbanip 218.29.223.194
8  fail2ban-client set sshd unbanip 218.29.223.194
9
10  iptables -S
11  iptables -S | grep f2b
12  cat /var/log/fail2ban.log
13
14   apt-get --purge remove fail2ban
15
16   fail2ban-regex /var/log/auth.log filter.d/sshd.conf
17   fail2ban-regex -v --print-all-matched /var/log/auth.log /etc/fail2ban/filter.d/sshd.conf