Re: Kerberized NFSv3 incorrect behavior (revisited)

2010-02-05 Thread Rick Macklem
On Fri, 5 Feb 2010, George Mamalakis wrote: I assume that this must have to do with kernel's KGSSAPI support, which "forgets" to delete or renew its kerberos' cache. Oops, missed this on the last reply. It is actually a cache of "handles" for RPCSEC_GSS credentials allocated by the server

Re: Kerberized NFSv3 incorrect behavior (revisited)

2010-02-05 Thread Rick Macklem
On Fri, 5 Feb 2010, George Mamalakis wrote: shows no tickets. This could be also a security threat, in case different kerberos principals (users in this setup) use a shared machine account to logon, and then access their resources by kiniting to their respective principals. The kernel onl

Kerberized NFSv3 incorrect behavior (revisited)

2010-02-05 Thread George Mamalakis
What's more, if I obtain (as root for example) a ticket for user mamalos and kdestroy it, and then login as user root in a new terminal, the root user in the new terminal has still all privileges of mamalos in the share. Klist, of course, shows no tickets. This could be also a security threat,