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      1 #	$NetBSD: pf.conf,v 1.4 2008/06/18 09:06:25 yamt Exp $
      2 #	$OpenBSD: pf.conf,v 1.34 2007/02/24 19:30:59 millert Exp $
      3 #
      4 # See pf.conf(5) and /usr/share/examples/pf for syntax and examples.
      5 # Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1
      6 # in /etc/sysctl.conf if packets are to be forwarded between interfaces.
      7 
      8 #ext_if="ext0"
      9 #int_if="int0"
     10 
     11 #table <spamd-white> persist
     12 
     13 #set skip on lo
     14 
     15 #scrub in
     16 
     17 #nat-anchor "ftp-proxy/*"
     18 #rdr-anchor "ftp-proxy/*"
     19 #nat on $ext_if from !($ext_if) -> ($ext_if:0)
     20 #rdr pass on $int_if proto tcp to port ftp -> 127.0.0.1 port 8021
     21 #no rdr on $ext_if proto tcp from <spamd-white> to any port smtp
     22 #rdr pass on $ext_if proto tcp from any to any port smtp \
     23 #	-> 127.0.0.1 port spamd
     24 
     25 #anchor "ftp-proxy/*"
     26 #block in
     27 #pass out
     28 
     29 #pass quick on $int_if no state
     30 #antispoof quick for { lo $int_if }
     31 
     32 #pass in on $ext_if proto tcp to ($ext_if) port ssh
     33 #pass in log on $ext_if proto tcp to ($ext_if) port smtp
     34 #pass out log on $ext_if proto tcp from ($ext_if) to port smtp
     35