Topic "GSSAPI authentication only works for first session"

Author Message
riskable
[View user's profile]

Joined: 2014-04-08
Posts: 1
Location: Jacksonville, FL
When performing GSSAPI/Kerberos authentication only the first session will connect without asking for a password. Subsequent sessions open to the same server will ask for a password.

To reproduce:

1) Connect to an SFTP server using GSSAPI authentication (it should not ask for your password).
2) Open a new session to the same server (ensure GSSAPI authentication is enabled). It will ask you for your password.

With "debug 2" logging enabled the (relevant) error in the second session is thus:

Code:
. 2014-04-08 10:06:19.626 GSSAPI authentication initialisation failed
. 2014-04-08 10:06:19.626 Unspecified GSS failure.  Minor code may provide more information Matching credential not found


Note that absolutely nothing was changed in the session settings between opening the first and second session. The entire (sanitized) log is attached
myuser@someserver.log (49.86 KB) Private file

Description: Debug 2 log of both sessions

martin
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Site Admin
Joined: 2002-12-10
Posts: 25034
Location: Prague, Czechia
Does this happen for second parallel connection only or even for second consecutive? I assume that restarting WinSCP helps, right?
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