From owner-freebsd-questions  Wed Sep 18 18:17:58 2002
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Message-ID: <012f01c25f2d$851702c0$0502000a@downtown>
From: "Chad Morland" <chad.morland@inquent.com>
To: "adrian kok" <adriankok2000@yahoo.com.hk>,
	<freebsd-questions@FreeBSD.ORG>
References: <20020918155536.92202.qmail@web21201.mail.yahoo.com>
Subject: Re: kernel message
Date: Wed, 18 Sep 2002 12:07:42 -0400
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X-Loop: FreeBSD.ORG

ipfw(8) man page:

FINE POINTS
     ·   There are circumstances where fragmented datagrams are
uncondition­
         ally dropped.  TCP packets are dropped if they do not contain
at
         least 20 bytes of TCP header, UDP packets are dropped if they
do not
         contain a full 8 byte UDP header, and ICMP packets are dropped
if
         they do not contain 4 bytes of ICMP header, enough to specify
the
         ICMP type, code, and checksum.  These packets are simply logged
as
         ``pullup failed'' since there may not be enough good data in
the
         packet to produce a meaningful log entry.

Fragmented packets like that are probably due to broken hardware on
your network, although they can be the result of enemy action


-CM
----- Original Message -----
From: "adrian kok" <adriankok2000@yahoo.com.hk>
To: <freebsd-questions@FreeBSD.ORG>
Sent: Wednesday, September 18, 2002 11:55 AM
Subject: kernel message


> Hi all
>
> I received the following message from /var/log
> What is this meaning?
>
> Sep 17 12:33:04 mail /kernel: pullup failed
>
> Thank you
>
>
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