> I would like to know when Kerberos has been elaborated and the number of > the thirst version please. Kerberos came out of MIT's Project Athena, (a 5- then 8-year project funded largely by DEC and IBM) which started in 1983. The first three version of Kerberos were 'development platforms', the first public release of the protocol (V4) was in October 1988. John