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Date:      Mon, 3 May 1999 12:40:00 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        Dan Nelson <dnelson@emsphone.com>
Cc:        Micheal Patterson <micheal@ionet.net>, Brian Gallucci <noc@expnet.net>, FreeBSD <freebsd-questions@FreeBSD.ORG>
Subject:   Re: IPFW !!
Message-ID:  <Pine.BSF.4.03.9905031239470.20321-100000@resnet.uoregon.edu>
In-Reply-To: <19990501232043.A7595@dan.emsphone.com>

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On Sat, 1 May 1999, Dan Nelson wrote:

> In the last episode (May 01), Micheal Patterson said:
> > From: Brian Gallucci <noc@expnet.net>
> > > Can someone tell me what this means ->
> > >
> > > ipfw: 65534 Deny P:54 216.160.169.60 xxx.xxx.xxx.xxx in via fxp0
> > > ipfw: 65534 Deny P:54 216.160.169.60 xxx.xxx.xxx.xxx in via fxp0
> > >                                ^^^^^
> > >
> > > What is P:54 ?
> >
> > This looks like something that I've seen myself a time or two. From
> > what I've seen in my logs, it would appear that all of the entry
> > wasn't logged. When I see it, it's when my dx4 100 is under a heavy
> > load and logging things like mad (mail, ipfw, etc) and simply missed
> > something. I've seen other entries with the ip info but get cut short
> > at the interface as well.
> 
> Nah; IPFW prints that when it can't determine the IP protocol type
> (usually TCP, UDP or ICMP).  Unfortunately, protocol #54 isn't listed
> in /etc/protocols.  If you get it very often, see if you can add a
> "dump" flag to the ipfw ruleset that dumps the entire packet to syslog.

Hm, IP protocol 54 is:

54     NHRP        NBMA Next Hop Resolution Protocol

Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org



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