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Date:      Mon, 22 Sep 2008 13:53:02 +0200
From:      Leslie Jensen <leslie@eskk.nu>
To:        freebsd-pf@freebsd.org
Subject:   IMAP server talks back PF blocks
Message-ID:  <48D7871E.1040902@eskk.nu>

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When doing
tcpdump -n -e -ttt -i pflog0

I frequently see packets blocked that looks like this

458660 rule 0/0(match): block in on em0: xxx.yyy.zzz.qqq.993 >
qqq.zzz.yyy.xxx.59930:  tcp 8 [bad hdr length 12 - too short, < 20]

It's the IMAP server I'm using that tries to talk back. Is this
something I should try to let through?

/Leslie




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