krb5: krb5 (network authentication protocol) krb5: krb5: Kerberos is a network authentication protocol. It is designed to krb5: provide strong authentication for client/server applications by using krb5: secret-key cryptography. A free implementation of this protocol is krb5: available from the Massachusetts Institute of Technology. Kerberos is krb5: available in many commercial products as well. krb5: krb5: Homepage: http://web.mit.edu/kerberos/ krb5: krb5: