How to check if a IP is blocked from Iptables............

Solution:

How to check if IP is blocked from Iptables

Check if IP is blocked:

# iptables -L -n --line | grep [IP Address]


If IP appear as DROP or REJECT, the IP has been blocked


Unblock the IP Address:

# iptables -I INPUT -s [IP Address] -j ACCEPT


Blocking back an IP Address:

# iptables -A INPUT -d [IP Address] -j DROP