Full text fix: Kerberos overview, source code compilation, installation, configuration details

The Internet is notoriously insecure, and many of the protocols used on it do not provide any guarantee of security.As a result, applications that send unencrypted passwords over the network are highly vulnerable.This kind of insecurity problem, not firewall can solve.To solve this kind of network security problem, Kerberos protocol was born.Kerberos is a network…