How To Install knock on CentOS 7
Introduction
In this tutorial we learn how to install knock
on CentOS 7.
What is knock
This is a port-knocking server/client. Port-knocking is a method where a server can sniff one of its interfaces for a special “knock” sequence of port-hits. When detected, it will run a specified event bound to that port knock sequence. These port-hits need not be on open ports, since we use libpcap to sniff the raw interface traffic. This package contains the knock client.
We can use yum
or dnf
to install knock
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install knock.
Install knock on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install knock
using yum
by running the following command:
Install knock 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 knock
using dnf
by running the following command:
How To Uninstall knock on CentOS 7
To uninstall only the knock
package we can use the following command:
References
Summary
In this tutorial we learn how to install knock
on CentOS 7 using yum
and dnf
.