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From: "curby ." <curby.public@gmail.com>
To: Andrew <andrewna@mymcsb.com>
Cc: netfilter@lists.netfilter.org
Subject: Re: Problem downloading large files from Apache from far
Date: Wed, 27 Jul 2005 23:04:02 -0600	[thread overview]
Message-ID: <5d2f379105072722046f7e3285@mail.gmail.com> (raw)
In-Reply-To: <NJBBIPFCOLMFJFKBPLDMAEJJCCAA.andrewna@mymcsb.com>

On 7/26/05, Andrew <andrewna@mymcsb.com> wrote:
> But the question is, why are subsequent packets coming from the remote
> machine being identified as INVALID? Will allowing INVALID packets cause
> other problems?

Allowing INVALID is generally unnecessary, and can let certain port
scans through undetected.

> The Linux machine is actually behind another Cisco PIX firewall. Could the
> hardware firewall be translating the packets wrongly? Any ideas?

Can you try with a machine between the firewalls?  That would simulate
a web request but bypass PIX.

[iptables]---[testbox]---[PIX]---[Internet]

Running a tcpdump might also give useful information.


  parent reply	other threads:[~2005-07-28  5:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <mailman.0.1122427457.12364.netfilter@lists.netfilter.org>
2005-07-27  1:21 ` Problem downloading large files from Apache from far Andrew
2005-07-27 11:03   ` Mohamed Eldesoky
2005-07-28  0:47     ` Andrew
2005-07-28 11:56       ` John A. Sullivan III
2005-07-28  5:04   ` curby . [this message]
2005-07-28  7:18     ` Andrew

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