Subject: URGENT security help needed
To: None <port-mac68k@netbsd.org>
From: David A. Gatwood <dgatwood@gatwood.net>
List: port-mac68k
Date: 03/17/2002 20:45:43
I've just been informed that a critical server (running NetBSD-mac68k)
just got yanked off the net because it was flooding the heck out of the
network. The machine has been in use for over two years without blinking.
I suspect it's some sort of security vulnerability in the TCP stack
somewhere, as I remember vaguely reading about something similar in NetBSD
a while back. Unfortunately, I can't find jack on the 'net about it.
I don't have access to the machine currently. I'll do a post-mortem
tomorrow morning, but I doubt I'll find anything. It just doesn't seem
likely that anything outside the kernel on a Quadra 800 would be able to
saturate multiple T1 lines.... :-)
The machine is running a 1.4.1 vintage kernel. First thing I'm going to
do is fetch a current kernel just in case. Beyond that, any ideas,
thoughts, suggestions, etc.?
Any ideas?
David
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David A. Gatwood dgatwood@gatwood.net
Developer Docs Writer dgatwood@apple.com
Apple Computer dgatwood@mklinux.org
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