Re: DoS bug on Tru64

From: ellipse (elliptic@cipherpunks.com)
Date: 01/30/02


Date: Wed, 30 Jan 2002 10:48:18 -0700 (MST)
From: ellipse <elliptic@cipherpunks.com>
To: bugtraq@securityfocus.com


> Today we were using nmap to scan our network and when we scanned our
> Tru64 machines, telnet and ftp froze and timed out. We could not make
> any connections to those ports and existing connections froze. New
> connections were denied for about a minute after the scan was finished.
> I've checked with Compaq and on Securityfocus and neither place has any
> knowledge of this.
[...]
> nmap -T Polite -O -p 23,139 -oM /tmp/lst 'xxx.xxx.16-44.*'

Why does this sound so familiar? Would this not be an issue with inetd?
Sounds like it ....

I believe it's why D. J. Bernstein wrote tcpserver. See:

http://cr.yp.to/ucspi-tcp.html

Cheers,
ellipse