Setting up a Kerberos server with Ubuntu

Kerberos is an authentication protocol for allowing secure authentication over untrusted networks by using secret-key cryptography and trusted third parties.

Getting ready

To get Kerberos set up and running, we need three Linux systems (in our example, we have used Ubuntu). They should be able to communicate with each other and they should also have accurate system clocks.

We have given the hostname to each system as mentioned here:

  • Kerberos system: mykerberos.com
  • SSH Server system: sshserver.com
  • Client system: sshclient.com

After doing this, edit the /etc/hosts file in each system and add the following details:

The IP address and the hostname can be different for your systems. Just make sure that after doing these ...

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