차단된 jail 목록 확인
sudo fail2ban-client status
특정 jail의 차단 IP 확인 (예: sshd)
sudo fail2ban-client status sshd
IP 차단 해제
sudo fail2ban-client set sshd unbanip 192.168.1.100
We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
sudo fail2ban-client status
sudo fail2ban-client status sshd
sudo fail2ban-client set sshd unbanip 192.168.1.100