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pf.conf revision 1.1.1.2 
      1 #	$OpenBSD: pf.conf,v 1.34 2007/02/24 19:30:59 millert Exp $
      2 #
      3 # See pf.conf(5) and /usr/share/pf for syntax and examples.
      4 # Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1
      5 # in /etc/sysctl.conf if packets are to be forwarded between interfaces.
      6 
      7 #ext_if="ext0"
      8 #int_if="int0"
      9 
     10 #table <spamd-white> persist
     11 
     12 #set skip on lo
     13 
     14 #scrub in
     15 
     16 #nat-anchor "ftp-proxy/*"
     17 #rdr-anchor "ftp-proxy/*"
     18 #nat on $ext_if from !($ext_if) -> ($ext_if:0)
     19 #rdr pass on $int_if proto tcp to port ftp -> 127.0.0.1 port 8021
     20 #no rdr on $ext_if proto tcp from <spamd-white> to any port smtp
     21 #rdr pass on $ext_if proto tcp from any to any port smtp \
     22 #	-> 127.0.0.1 port spamd
     23 
     24 #anchor "ftp-proxy/*"
     25 #block in
     26 #pass out
     27 
     28 #pass quick on $int_if no state
     29 #antispoof quick for { lo $int_if }
     30 
     31 #pass in on $ext_if proto tcp to ($ext_if) port ssh
     32 #pass in log on $ext_if proto tcp to ($ext_if) port smtp
     33 #pass out log on $ext_if proto tcp from ($ext_if) to port smtp
     34