#       $OpenBSD: pf.conf,v 1.34 2007/02/24 19:30:59 millert Exp $
#
# See pf.conf(5) and /usr/share/pf for syntax and examples.
# Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1
# in /etc/sysctl.conf if packets are to be forwarded between interfaces.

ext_if="xl0"
int_if="dc1"

#table <spamd-white> persist

#set skip on lo

#scrub in

#nat-anchor "ftp-proxy/*"
#rdr-anchor "ftp-proxy/*"
#nat on $ext_if from !($ext_if) -> ($ext_if:0)
#rdr pass on $int_if proto tcp to port ftp -> 127.0.0.1 port 8021
#no rdr on $ext_if proto tcp from <spamd-white> to any port smtp
#rdr pass on $ext_if proto tcp from any to any port smtp \
#       -> 127.0.0.1 port spamd

#anchor "ftp-proxy/*"
#block in
#pass out

#pass quick on $int_if no state
#antispoof quick for { lo $int_if }

#pass in on $ext_if proto tcp to ($ext_if) port ssh
#pass in log on $ext_if proto tcp to ($ext_if) port smtp
#pass out log on $ext_if proto tcp from ($ext_if) to port smtp

nat on xl0 from dc1:network to any -> xl0
rdr pass on xl0 proto tcp from any to any port 6667 -> 192.168.1.16
rdr pass on xl0 proto tcp from any to any port 22 -> 192.168.1.16

pass out
pass in
# Allow inbound traffic on internal interface
pass quick on $int_if

# Protect against spoofing
antispoof quick for { lo $int_if }

# Allow other traffic
pass in on $ext_if proto tcp to ($ext_if) port ssh flags S/SA keep state
#pass in inet proto icmp from $allowed_hosts icmp-type $icmp_types keep state