DragonFly BSD
DragonFly bugs List (threaded) for 2004-08
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problems with ipfw2

From: Patrick Mauritz <oxygene@xxxxxxxxxxxx>
Date: Tue, 24 Aug 2004 21:14:45 +0200

I'm posting on behalf of a friend of mine, who gave me this information:

kernel, sources of about last sunday noon (CEST):
DragonFly gate.int.diddens.de 1.1-CURRENT DragonFly 1.1-CURRENT #0: Tue Aug
24 08:34:28 CEST 2004     p@xxxxxxxxxxxxxxxxxxx:/usr/obj/usr/src/sys/APOLLO 

upgraded from freebsd 4.10 beta system, build complete dragonflybsd world
and kernel according to the website, using
IPFW2=TRUE in make.conf and
options IPFW2 in the kernel configuration

network setup:
3 interfaces + PPPoE
LAN: xl0 (
PPPoE: tun0 over ed0
DMZ: ed2 (

ed1 doesn't exist, ed2 is an ISA card

natd is started via "natd -f /etc/natd.conf"
interface tun0
use_sockets yes
dynamic yes

the ipfw configuration is:
divert all from any to any via tun0

he also tried adding more finegrained rules (from to any,
etc) but that didn't change anything

packets from ed2 to tun0 are processed by natd (so the source IP in the
tcpdump would match the IP from tun0), those from xl0 to tun0 are not:

tcpdump -n -i tun0:
21:01:32.337727 IP > icmp 64: echo request seq
21:01:33.347884 IP > icmp 64: echo request seq

the ipfw rule counter isn't counting

thanks for help

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