fail2ban - how to unblock IP address
By Tech Writer
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1 min read
To see what IPs are blocked type the following:
iptables –L –n
This will output the iptables list and at the bottom you will see the Chain fail2ban-SSH
Chain fail2ban-SSH (1 references)
target prot opt source destination
RETURN all -- 0.0.0.0/0 0.0.0.0/0
To remove the customer’s IP from the block list type the following:
iptables -D fail2ban-SSH -s IP -j DROP
Switch the IP with the customer’s public IP address.
Credits: https://help.webcontrolcenter.com/kb/a1023/unblock-ip-from-fail2ban.aspx