freebsd-dev/share/examples/pf/pf.conf
Rebecca Cran 9c73eae9c4 Update the icmp example to show allowing only the safe types.
Suggested by: Tom Judge <tom at tomjudge.com>
MFC after:	3 days
2011-02-19 14:57:00 +00:00

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# $FreeBSD$
# $OpenBSD: pf.conf,v 1.34 2007/02/24 19:30:59 millert Exp $
#
# See pf.conf(5) and /usr/share/examples/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="ext0"
#int_if="int0"
#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
#pass in on $ext_if inet proto icmp from any to ($ext_if) icmp-type { unreach, redir, timex }