Networker

[Networker] OS/2 client and 6.1.3 "remote user" bug

2003-01-03 06:54:52
Subject: [Networker] OS/2 client and 6.1.3 "remote user" bug
From: Riaan van Niekerk <riaanvn AT PUKNET.PUK.AC DOT ZA>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Fri, 3 Jan 2003 13:54:34 +0200
>Christopher Adkisson wrote

>I'm concerned about two things at this point:  1) My OS/2 clients
stopped
>working immediately.  I know they're no longer supported by Legato,
but
>they
>worked fine at 6.1.2.

Hi there Christopher

I tested 6.1.3 in our lab with the OS/2 client and am able to confirm
their incompatibility.

We have zero to slim chance of getting the the OS/2 incmpatibilty
resolved unless it relates to functionality (e.g. rsh) which Legato
supports on other supported clients/platforms. I am assuming that these
two errors (OS/2 client stops working with 6.1.3 and "remote user" bug
in 6.1.3) are symptoms of the same cause, e.g. broken 6.1.3 rsh
implementation.

>Glenn Britton wrote

>A caution to those upgrading to Networker 6.1.3:
>I just upgraded our Solaris 8 sparc Networker Server from
>6.1.1 to 6.1.3 and some of our unix clients could no longer
>backup to the server.
>
>These Networker clients do not run the nsrexecd daemon
>(for well founded security reasons)
>and instead use rsh with a non-root "Remote user" attribute
>in the client's resources.
>
>When Networker backups are invoked from the server using rsh, the rsh

>of
>the operating system is by-passed for an rsh that is built-in to the
>savegrp command. The trouble with Networker 6.1.3 server is that the
> rsh client implementation is broken.
>The secondary rsh port for stderr is not explicitly requested as a
secure
>port and, thus the Networker client's rsh server will drop the
connection.
>The Networker 6.1.1 server did not have this problem.
>
>I will try to open up a case with Legato Tech. Support asap.

Glenn - will you please keep us updated on the progress of this error.

TIA


Riaan van Niekerk
Unix-stelseladministrateur
B.Juris, B.A., RHCE, IBM Certified AIX Sysadmin
ITB Netwerke en Infrastruktuur
Potchefstroomse Universiteit
Tel : (018) 299 2147
Fax: (018) 293 5299

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