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Diff for /src/share/pf/Attic/faq-example1 between version 1.3 and 1.4

version 1.3, 2005/07/02 16:16:39 version 1.4, 2006/06/16 17:26:59
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 # macros  # macros
 int_if = "fxp0"  ext_if="fxp0"
 ext_if = "ep0"  int_if="xl0"
   
 tcp_services = "{ 22, 113 }"  tcp_services="{ 22, 113 }"
 icmp_types = "echoreq"  icmp_types="echoreq"
   
 priv_nets = "{ 127.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8 }"  comp3="192.168.0.3"
   
 comp3 = "192.168.0.3"  
   
 # options  # options
 set block-policy return  set block-policy return
 set loginterface $ext_if  set loginterface $ext_if
   
   set skip on lo
   
 # scrub  # scrub
 scrub in all  scrub in
   
 # nat/rdr  # nat/rdr
 nat on $ext_if from $int_if:network to any -> ($ext_if)  nat on $ext_if from !($ext_if) -> ($ext_if:0)
 rdr on $int_if proto tcp from any to any port 21 -> 127.0.0.1 \  nat-anchor "ftp-proxy/*"
    port 8021  rdr-anchor "ftp-proxy/*"
   
   rdr pass on $int_if proto tcp to port ftp -> 127.0.0.1 port 8021
 rdr on $ext_if proto tcp from any to any port 80 -> $comp3  rdr on $ext_if proto tcp from any to any port 80 -> $comp3
   
 # filter rules  # filter rules
 block all  block in
   
 pass quick on lo0 all  pass out keep state
   
 block drop in  quick on $ext_if from $priv_nets to any  anchor "ftp-proxy/*"
 block drop out quick on $ext_if from any to $priv_nets  antispoof quick for { lo $int_if }
   
 pass in on $ext_if inet proto tcp from any to ($ext_if) \  pass in on $ext_if inet proto tcp from any to ($ext_if) \
    port $tcp_services flags S/SA keep state     port $tcp_services flags S/SA keep state
   
 pass in on $ext_if proto tcp from any to $comp3 port 80 \  pass in on $ext_if inet proto tcp from any to $comp3 port 80 \
    flags S/SA synproxy state      flags S/SA synproxy state
   
 pass in on $ext_if inet proto tcp from port 20 to ($ext_if) \  
    user proxy flags S/SA keep state  
   
 pass in inet proto icmp all icmp-type $icmp_types keep state  pass in inet proto icmp all icmp-type $icmp_types keep state
   
 pass in  on $int_if from $int_if:network to any keep state  pass quick on $int_if
 pass out on $int_if from any to $int_if:network keep state  
   
 pass out on $ext_if proto tcp all modulate state flags S/SA  
 pass out on $ext_if proto { udp, icmp } all keep state  
Legend:
Removed from v.1.3  
changed lines
  Added in v.1.4