Networker

[Networker] The security "enhancements" - required action?

2005-08-17 10:34:47
Subject: [Networker] The security "enhancements" - required action?
From: Oscar Olsson <spam1 AT QBRANCH DOT SE>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 17 Aug 2005 14:58:52 +0200
I just read the following:

ftp://ftp.legato.com/pub/NetWorker/Private/CERT/7.1.3/README.TXT

Some things about it strikes me as odd:

To install the software

1. Save a backup of the configuration files in the nsr/res directory.

2. Uninstall the current NetWorker packages. To uninstall the NetWorker
software, refer to the NetWorker installation guide appropriate for your
  operating system.

3. Install the security enhancement package. To install the package, refer to the NetWorker installation guide appropriate for your operating system.

Why do I have to uninstall anything?

4. In the nsrla resource of the nsrexecd service, disable the directed recover option. Set the attribute to YES; the default setting is NO. To update the
  Disable the Directed Recover attribute:
  a) Enter nsradmin -s <nw server> -p nsrexecd from the command line.
  b) Enter 'update disable directed recover:Yes' from nsradmin program
  c) Type 'y'  after 'Update?'

Why? If there is indeed a patch out for something, shouldn't that be taken care of automatically?

5. For each NetWorker server, storage node, and client, set the NSR_BLOCK_ADMIN
  environment variable to YES.

6. For each NetWorker server, set the NSR_REQUIRE_ROOT environment variable to YES.

Again, why? Especially, why do I have to do that on EVERY client, if I'm still supposed to patch things?

Without actually knowing exactly how this patch works, this seems like yet another sloppy patch release, that is poorly implemented in terms of deployment ease. I wonder if it will break anything as well. ;)

//Oscar

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