Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!wuarchive!udel!haven.umd.edu!decuac!hussar.dco.dec.com!mjr
From: mjr@hussar.dco.dec.com (Marcus J. Ranum)
Newsgroups: comp.unix.ultrix
Subject: Re: Help with "programming" packet filter
Keywords: packetfilter, ultrix, ethernet
Message-ID: <1991May07.195428.17658@decuac.dec.com>
Date: 7 May 91 19:54:28 GMT
References: <1712@babcock.cerc.wvu.wvnet.edu>
Distribution: usa
Organization: Digital Equipment Corp., Washington Ultrix Resource Center
Lines: 14

taku@cathedral.cerc.wvu.wvnet.edu (Takumei So) writes:

>    The machine I'm using is a ultrix machine, DECstation 5000 running
>ULTRIX V4.0 Rev.179.  I'm running it as su, and the interface is set to
>promiscuous mode.
>    Any help, or example codes for using packetfilter, will be greatly 
>appreciated!!!

	I think 4.2 comes with the packet screen daemon - which is a table
driven packet filterer - very useful for screened IP gateways. I don't know
if the source to it is something that can be given out or not. I'll defer
to the author.

mjr.