How to Unban IP in Fail2ban

Step 1: Check Banned IPs

sudo fail2ban-client status sshd

Step 2: Unban IP

sudo fail2ban-client set sshd unbanip 203.0.113.45

Step 3: Verify Unban

sudo fail2ban-client status sshd

Alternative: Flush All Bans

sudo fail2ban-client reload