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Remove Banned IP from Fail2Ban on Ubuntu / Raspberry Pi

Posted by David  •  Sep 27th, 2014 10:10:12 pm - Subscribe | Mood: Studying | Music: No music

If you have never used Fail2Ban on your Linux distro. I would greatly recommended it, especially if you seeing a lot of traffic trying to brute force your standard SSH connection.

Good practice:
1. Do not SSH on port 22
2. Do not use root
3. Disable root

But this entry is not on good practices on SSH connections, but rather how to remove a ban that Fail2Ban may have done to block you, a client, or a connection that was not intended to be blocked.

Begin by doing the following:
1. iptables -L (Do you see your ip in this list?)
2. iptables -D fail2ban-ssh -s -j DROP
3. Where you see add the IP that is banned.
4. Now verify that your IP is no longer in the list: iptables -L

That's it! Your IP should now be removed! To prevent this from happening again, navigate to the follow path and add your IP address to the safe list:

1. cd /etc/fail2ban
2. vi fail.conf
3. Now locate: # "ignoreip" can be an IP address, a CIDR mask or a DNS host
4. Add your IP address to this list
5. Now save with a :x

I hope this helps you, if you have questions drop me a comment below.

Comments 0  •  Sep 27th, 2014 10:10:12 pm - Subscribe  •  Tweet this entry | Post a comment


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