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Date:      Mon, 17 Mar 2008 15:22:12 +0100
From:      CZUCZY Gergely <gergely.czuczy@harmless.hu>
To:        "Stephan F. Yaraghchi" <stephan@yaraghchi.org>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: watching the log in real time
Message-ID:  <20080317152212.00227d1c@twoflower.in.publishing.hu>
In-Reply-To: <25f52a3d0803170650j72beaeev51105ed0713f7867@mail.gmail.com>
References:  <25f52a3d0803170650j72beaeev51105ed0713f7867@mail.gmail.com>

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On Mon, 17 Mar 2008 14:50:18 +0100
"Stephan F. Yaraghchi" <stephan@yaraghchi.org> wrote:

> Hi,
Hello,

>=20
> I have a question concerning the logging of pf on FreeBSD 7.0-RELEASE.
>=20
> When I issue 'tcpdump -netttt -i pflog0' to watch the log in real time
> I'm getting pretty brief output like:
>=20
> 2008-03-16 11:46:45.527125 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:45.590116 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:45.652107 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:45.715098 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:45.777087 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:47.249281 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:50.011245 rule 0/0(match): block in on fxp1: [|ip]
> 2008-03-16 11:46:52.761126 rule 0/0(match): block in on fxp1: [|ip]
[| means that it wasn't able to decode the packet farthermore, becase the
snaplength is too small. Adjust it with -s, and check man tcpdmp


>=20
>=20
> When I look back into the history of the log with 'tcpdump -netttt -r
> /var/log/pflog' the output is much more verbose:
>=20
> 2008-03-16 11:46:45.527125 rule 0/0(match): block in on fxp1:
> 192.168.204.4.138 > 192.168.204.255.138: NBT UDP P
> ACKET(138)
> 2008-03-16 11:46:45.590116 rule 0/0(match): block in on fxp1:
> 192.168.204.4.138 > 192.168.204.255.138: NBT UDP P
> ACKET(138)
> 2008-03-16 11:46:45.652107 rule 0/0(match): block in on fxp1:
> 192.168.204.4.138 > 192.168.204.255.138: NBT UDP P
> ACKET(138)
> 2008-03-16 11:46:45.715098 rule 0/0(match): block in on fxp1:
> 192.168.204.4.138 > 192.168.204.255.138: NBT UDP P
> ACKET(138)
> 2008-03-16 11:46:45.777087 rule 0/0(match): block in on fxp1:
> 192.168.204.4.138 > 192.168.204.255.138: NBT UDP P
> ACKET(138)
> 2008-03-16 11:46:47.249281 rule 0/0(match): block in on fxp1:
> 192.168.204.10.138 > 192.168.204.255.138: NBT UDP PACKET(138)
> 2008-03-16 11:46:50.011245 rule 0/0(match): block in on fxp1:
> 192.168.204.10.138 > 192.168.204.255.138: NBT UDP PACKET(138)
> 2008-03-16 11:46:52.761126 rule 0/0(match): block in on fxp1:
> 192.168.204.10.138 > 192.168.204.255.138: NBT UDP PACKET(138)
>=20
>=20
> What do I have to do to see that much info while watching the log in real
> time?
>=20


--=20
=C3=9Cdv=C3=B6lettel,

Czuczy Gergely
Harmless Digital Bt
mailto: gergely.czuczy@harmless.hu
Tel: +36-30-9702963

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