What is Fail2Ban and how to use it on CentOS?

regularjoe

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I heard of Fail2Ban from my hosting provider but not sure what it is and how to use it.

Does any one give me a guide about it?
 

VirtuBox

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Fail2ban is a simple module to protect your server against any bruteforce tentative. It will block an IP for few minutes after too many failed attempt to login.
You can protect your SSH, FTP and other services which use login credentials.

You can configure Fail2ban, to block an IP for a small time, and if there is again some fail from it, to ban it definitively.
To setup it you have two guides from digital ocean :

https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-6
https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-7

Remember to add one or two trust IP because you don't want to ban yourself ^^
 

sam@12

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Hello,

The fail2ban application monitors server log files for intrusion attempts and other suspicious activity. Fail2ban is primarily focused on SSH attacks, although it can be further configured to work for any service that uses log files and can be subject to a compromise. For setup kindly follow the above guidelines which were posted @VirtuBox

Thanks
 
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