How To Install sshguard on CentOS 7
Introduction
In this tutorial we learn how to install sshguard
on CentOS 7.
What is sshguard
Sshguard protects hosts from brute-force attacks against SSH and other services. It aggregates system logs and blocks repeat offenders using one of several firewall backends. Sshguard can read log messages from standard input or monitor one or more log files. Log messages are parsed, line-by-line, for recognized patterns. If an attack, such as several login failures within a few seconds, is detected, the offending IP is blocked. Offenders are unblocked after a set interval, but can be semi-permanently banned using the blacklist option.
We can use yum
or dnf
to install sshguard
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install sshguard.
Install sshguard on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install sshguard
using yum
by running the following command:
Install sshguard on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf
using the following command.
After updating yum database, We can install sshguard
using dnf
by running the following command:
How To Uninstall sshguard on CentOS 7
To uninstall only the sshguard
package we can use the following command:
References
Summary
In this tutorial we learn how to install sshguard
on CentOS 7 using yum
and dnf
.