[wplug] Security

[T Quine]

Depending on the printer services, there are some known security problems.  
Make sure they're up to date.   Also, I know that there have been a bunch of 
breakins on the CMU campus with old versions of sshd, make sure you're 
running a recent version of OpenSSH.  You can disable the tcp port for X11, 
I think it's an option, -nolisten tcp.


-QUINE-



>From: "Michael P. O'Connor" <mpop at cs.cmu.edu>
>Reply-To: wplug at wplug.org
>To: WPLUG <wplug at wplug.org>
>Subject: [wplug] Security
>Date: 14 Nov 2001 16:45:53 -0500
>
>I have a question on open ports for linux, I just did a nmap scan of my
>computer and the open ports are as follows 22/tcp (ssh) 515/tcp
>(printer) 6000/tcp (X11) what security holes exist on these ports and
>how do I block these ports with ipchains (I do realy want to block ssh's
>port, just the printer and the X11 port, since I don't think I need to
>accept anything incomeing on those)
>--
>Michael P. O'Connor
>mpop at cs.cmu.edu
>finger mpop at cs.cmu.edu for more infomation
>
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>wplug at wplug.org
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