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Where can I find Fail2ban on CentOS 10?
While Fail2ban is not available in the official CentOS package repository, it is packaged for the EPEL project. EPEL, standing for Extra Packages for Enterprise Linux, can be installed with a release package that is available from CentOS: sudo yum install epel-release.
Where do I find the Fail2ban service file?
Now we should be able to install the fail2ban package: Again, press y and Enter when prompted to continue. Once the installation has finished, use systemctl to enable the fail2ban service: The Fail2ban service keeps its configuration files in the /etc/fail2ban directory. There, you can find a file with default values called jail.conf.
How long does it take to ban a client on CentOS 7?
The bantime parameter sets the length of time that a client will be banned when they have failed to authenticate correctly. This is measured in seconds. By default, this is set to 600 seconds, or 10 minutes. The next two parameters that you want to pay attention to are findtime and maxretry.
Is there a way to protect SSH with Fail2ban?
Fail2ban is very easy to set up, and is a great way to protect any kind of service that uses authentication. If you want to learn more about how Fail2ban works, you can check out our tutorial on how fail2ban rules and files work.
Where to find jail.local for Fail2ban?
The configuration work should not be done in that file, since it can be modified by package upgrades, but rather copy it so that we can make our changes safely. We need to copy this to a file called jail.local for Fail2Ban to find it.
What does it mean to enable Fail2ban on SSH?
Enabled simply refers to the fact that SSH protection is on. You can turn it off with the word “false”. The port parameter defines which port Fail2Ban should be watching, if default port 22 is in use, then there is no need to change this parameter. Otherwise type the port you are using for SSH access.