Date: Sun, 12 Jun 2005 23:07:05 -0400 From: "fbsd_user" <fbsd_user@a1poweruser.com> To: "Fafa Hafiz Krantz" <fteg@london.com>, <questions@freebsd.org> Subject: RE: pf pfffffft pfft *) problem Message-ID: <MIEPLLIBMLEEABPDBIEGOELIHGAA.fbsd_user@a1poweruser.com> In-Reply-To: <20050610212238.5809D4BEAD@ws1-1.us4.outblaze.com>
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oif = "dc0" # oif is the macro name for the
# NIC facing the public internet
ob_state = "flags S/SA modulate state" # outbound
ib_state = "flags S/SA synproxy state" # inbound
# Allow out active FTP in responce to remote FTP client
pass out quick on $oif proto tcp from any port 20 to any $ob_state
# Allow out active FTP for gateway & LAN users
# If you want to use the pkg_add command to install application
packages
# on your gateway system you need this rule.
pass out quick on $oif proto tcp from any to any port 21 $ob_state
# Allow in active FTP from remote client
pass in quick on $oif proto tcp from any to any port 21 $ib_state
# Allow in responce to active FTP for gateway & LAN users
pass in quick on dc0 proto tcp from any port 20 to any $ib_state
-----Original Message-----
From: owner-freebsd-questions@freebsd.org
[mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Fafa Hafiz
Krantz
Sent: Friday, June 10, 2005 5:23 PM
To: questions@freebsd.org
Subject: pf pfffffft pfft *) problem
hey!
pf blocks me from ftp'ing out from my workstation (behind my pf box)
and i don't know why.
it only blocks, however, the ftp's i've been downloading a lot from
during the past few days.
ftp'ing out *from* my pf box works just nicely.
some of my users report not being able to ssh in, too.
# tcpdump -n -e -ttt -i pflog0
#
24. 001750 rule 0/0(match): block in on rl0: IP 217.31.174.134:2200
> 213.187.181.23 : FP 0:34(34) ack 1 win 5840
heeeeeeelp! :D
i didn't change my working configuration.
it's been working for months. until now ...
# cat /etc/pf.conf
#
int_if="ep0"
ext_if="rl0"
set block-policy drop
scrub in all
nat on $ext_if from $int_if:network to any -> ($ext_if)
rdr on $int_if proto tcp from any to any \
port 21 -> 127.0.0.1 port 8021
block drop log all
pass quick on { lo0 $int_if }
pass out on $ext_if inet proto { tcp, udp, icmp } \
from any to any keep state
pass in on $ext_if inet proto { tcp, udp } \
from any to ($ext_if) port 53
pass out on $ext_if inet proto { tcp, udp } \
from any port 53 to any
pass out on $ext_if inet proto udp \
from any to any port 123 keep state
pass in on $ext_if inet proto tcp \
from any to ($ext_if) port { 22, 25, 80, 110, 113, 143 } \
flags S/SA keep state
pass in on $ext_if inet proto tcp \
from any port 20 to ($ext_if) user proxy flags S/SA keep
state
pass in on $ext_if proto tcp \
from any to any port 31337 keep state
pass in on $ext_if proto tcp \
from any to any port 53333:55555
--
Fafa Hafiz Krantz
Research Designer @ http://www.home.no/barbershop
Enlightened @ http://www.home.no/barbershop/smart/sharon.pdf
--
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