[1529] in Kerberos
Authenticator bug in rcmd commands from server to client
daemon@ATHENA.MIT.EDU (Andrew Rieger, IS/UNIX-Supp., 215-)
Tue Aug 20 17:57:55 1991
Date: 20 Aug 91 18:34:13 GMT
From: dhct7zf@bpats.bell-atl.com (Andrew Rieger, IS/UNIX-Supp., 215-466-8724)
To: kerberos@shelby.Stanford.EDU
We are trying to get kerberos version 4 running between a Sparc 2
and 2 Sparc 1+ workstations running SunOS 4.1.1. The source is the
latest distribution from MIT and it compiles fine. All of the
standard commands work as expected (klogin, kpasswd, etc.),
but the rcmd set of commands (rcp, rlogin, rsh) fails to authenticate.
The server name is yugo, the client is vega and the realm is
BELL_ATL.COM. The following is the error message that we receive
yugo% /usr/athena/kinit
Bell Atlantic NSI (yugo)
Kerberos Initialization
Kerberos name: dhct7zf
Password:
yugo% /usr/athena/klist
Ticket file: /tmp/tkt156
Principal: dhct7zf@BELL-ATL.COM
Issued Expires Principal
Aug 20 13:42:09 Aug 20 21:42:09 krbtgt.BELL-ATL.COM@BELL-ATL.COM
yugo% rlogin vega
Kerberos rlogin failed: Can't decode authenticator (krb_rd_req)
yugo% /usr/athena/klist
Ticket file: /tmp/tkt156
Principal: dhct7zf@BELL-ATL.COM
Issued Expires Principal
Aug 20 13:42:09 Aug 20 21:42:09 krbtgt.BELL-ATL.COM@BELL-ATL.COM
Aug 20 13:43:31 Aug 20 21:43:31 rcmd.vega@BELL-ATL.COM
from the output of the second klist, it looks like the proper tickets
have been granted to use the rcmd services, but that the client
machine does not know how to authenticate the user. This same error
occurs when rcmd commands are attempted between client and client,
but not when rcmd's are tried from client to server. A person is able
to successfully rlogin (and rcp, rsh) from a client to the server.
This further makes a case for the client simply being unable to
decode the rcmd authenticator tickets.
Does anyone have any ideas as to why this is happening? Help would
be most appreciated.
<><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Andrew Rieger dhct7zf@bpats.bell-atl.com 1717 Arch 6SW9
Unix Sysadmin bagate!bpats!dhct7zf Philly, PA 19103
Permanent Student Andrew@cs.swarthmore.edu (215) 466-8724
