Kerberos 4 Realm Principle Impersonation
High Nessus Plugin ID 11511
SynopsisThe remote host is using an authentication protocol with cryptographic weaknesses.
DescriptionThe remote host is running Kerberos IV.
It has been demonstrated that the Kerberos IV protocol has inherent design flaws that make it insecure to use.
SolutionUse Kerberos 5 instead. If you run Kerberos 5 with Kerberos IV backward compatibility, make sure you upgrade to version 1.3.