It is also possible to unban an IP address using IP tables on a Linux server. Follow the steps given below to unban an IP address on Linux server :
1) Login to you Linux server as SSH root.
2) Use the commands given below
iptables -D INPUT -p all -s IP.ADDRESS.HERE -j DROP
iptables -D OUTPUT -p all -s IP.ADDRESS.HERE -j DROP
Once you use these commands correctly, you will be able to remove the IP address you wish to from the list of banned IP addresses.
3) Make sure you save and restart the IP tables service by using the commands given below
service iptables save
service iptables restart
If you have used these commands correctly and everything goes well, the IP address will be unsuspended.
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