Unfortunately it’s likely to take some experimentation. My starting point would be on each client, unmount the file system, maybe delete /tmp/krb5ccmachine*, restart rpc.gssd, and remount.
> On Jul 22, 2019, at 6:22 AM, Laura Smith <n5d9xq3ti233xiyif...@protonmail.ch> > wrote: > > Ok, I hold my hand up, I messed up. So the question is, how do I get myself > out of this mess ? > > A summary of how I got here: > • I have an NFS server and a bunch of clients connecting and auth using krb5. > • This was all working beautifully.... until today. > • Through an act of pure fat-fingered stupidity, I ran "addprinc -randkey > nfs/name.of.nfs.server" when setting up a new NFS client (i.e used server > name instead of client name). > • Now everything is broken (none of the NFS clients can connect to the server > and I am seeing the error messages below on the NFS server). > • keytab on NFS server only had credentials for NFS server, so I deleted the > keytab and created a new one through ktadd > • that didnt' work. a reboot of the NFS server didn't work. > > Summary ? I'm up a smelly creek without a paddle ! > > Messages on NFS server: > > 2019-07-22T11:01:35.075247+01:00 foo rpc.svcgssd[847]: ERROR: GSS-API: error > in handle_nullreq: gss_accept_sec_context(): GSS_S_FAILURE (Unspecified GSS > failure. Minor code may provide more information) - Request ticket server > nfs/foo.example....@example.corp kvno 3 not found in keytab; ticket is likely > out of date > 2019-07-22T11:01:39.460944+01:00 foo rpc.svcgssd[847]: message repeated 41 > times: [ ERROR: GSS-API: error in handle_nullreq: gss_accept_sec_context(): > GSS_S_FAILURE (Unspecified GSS failure. Minor code may provide more > information) - Request ticket server nfs/foo.example....@example.corp kvno 3 > not found in keytab; ticket is likely out of date] > > ________________________________________________ > Kerberos mailing list Kerberos@mit.edu > https://mailman.mit.edu/mailman/listinfo/kerberos ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos