heimdal-libraries: heimdal-libraries (Heimdal Kerberos 5 Implementation) heimdal-libraries: heimdal-libraries: Heimdal is a free implementation of Kerberos 5, protocol compatible heimdal-libraries: with RFC 4120 and MIT Kerberos V5. Kerberos is a system for authenticating heimdal-libraries: users and services on a network. It is built upon the assumption that the heimdal-libraries: network is unsafe. For example, data sent over the network can be heimdal-libraries: eavesdropped and altered, and addresses can also be faked. Therefore they heimdal-libraries: cannot be used for authentication purposes. Kerberos is a trusted third-party heimdal-libraries: service. heimdal-libraries: heimdal-libraries: