src/etc/pf.conf - diff

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Diff for /src/etc/pf.conf between version 1.26 and 1.27

-version 1.26, 2004/02/26 22:11:11
+version 1.27, 2004/03/02 20:13:55
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  #       $OpenBSD$
  #
  # See pf.conf(5) and /usr/share/pf for syntax and examples.
- # Required order: options, normalization, queueing, translation, filtering.
- # Macros and tables may be defined and used anywhere.
- # Note that translation rules are first match while filter rules are last match.
- # Macros: define common values, so they can be referenced and changed easily.
+ #ext_if="ext0"
- #ext_if="ext0"  # replace with actual external interface name i.e., dc0
+ #int_if="int0"
- #int_if="int0"  # replace with actual internal interface name i.e., dc1
- #internal_net="10.1.1.1/8"
- #external_addr="192.168.1.1"
- # Tables: similar to macros, but more flexible for many addresses.
- #table <foo> { 10.0.0.0/8, !10.1.0.0/16, 192.168.0.0/24, 192.168.1.18 }
- # Options: tune the behavior of pf, default values are given.
- #set timeout { interval 10, frag 30, src.track 0 }
- #set timeout { tcp.first 120, tcp.opening 30, tcp.established 86400 }
- #set timeout { tcp.closing 900, tcp.finwait 45, tcp.closed 90 }
- #set timeout { udp.first 60, udp.single 30, udp.multiple 60 }
- #set timeout { icmp.first 20, icmp.error 10 }
- #set timeout { other.first 60, other.single 30, other.multiple 60 }
- #set timeout { adaptive.start 0, adaptive.end 0 }
- #set limit { states 10000, src-nodes 10000, frags 5000 }
- #set loginterface none
- #set optimization normal
- #set block-policy drop
- #set require-order yes
- #set fingerprints "/etc/pf.os"
- #set debug urgent
- # Normalization: reassemble fragments and resolve or reduce traffic ambiguities.
- #scrub in all
- # Queueing: rule-based bandwidth control.
- #altq on $ext_if bandwidth 2Mb cbq queue { dflt, developers, marketing }
- #queue dflt bandwidth 5% cbq(default)
- #queue developers bandwidth 80%
- #queue marketing  bandwidth 15%
- # Translation: specify how addresses are to be mapped or redirected.
- # nat: packets going out through $ext_if with source address $internal_net will
- # get translated as coming from the address of $ext_if, a state is created for
- # such packets, and incoming packets will be redirected to the internal address.
- #nat on $ext_if from $internal_net to any -> ($ext_if)
- # rdr: packets coming in on $ext_if with destination $external_addr:1234 will
- # be redirected to 10.1.1.1:5678. A state is created for such packets, and
- # outgoing packets will be translated as coming from the external address.
- #rdr on $ext_if proto tcp from any to $external_addr/32 port 1234 -> 10.1.1.1 port 5678
- # rdr outgoing FTP requests to the ftp-proxy
- #rdr on $int_if proto tcp from any to any port ftp -> 127.0.0.1 port 8021
- # spamd-setup puts addresses to be redirected into table <spamd>.
  #table <spamd> persist
- #no rdr on { lo0, lo1 } from any to any
+ #table <spamd-white> persist
- #rdr pass inet proto tcp from <spamd> to any port smtp -> 127.0.0.1 port 8025
- # Filtering: the implicit first two rules are
+ #scrub in
- #pass in all
- #pass out all
- # block all incoming packets but allow ssh, pass all outgoing tcp and udp
+ #nat on $ext_if from !($ext_if) -> ($ext_if:0)
- # connections and keep state, logging blocked packets.
+ #rdr pass on $int_if proto tcp to port ftp -> 127.0.0.1 port 8021
- #block in log all
+ #rdr pass on $ext_if proto tcp from <spamd> to port smtp \
- #pass  in  on $ext_if proto tcp from any to $ext_if port 22 keep state
+ #       -> 127.0.0.1 port spamd
- #pass  out on $ext_if proto { tcp, udp } all keep state
+ #rdr pass on $ext_if proto tcp from !<spamd-white> to port smtp \
+ #       -> 127.0.0.1 port spamd
- # pass incoming packets destined to the addresses given in table <foo>.
+ #block in
- #pass in on $ext_if proto { tcp, udp } from any to <foo> port 80 keep state
+ #pass out keep state
- # pass incoming ports for ftp-proxy
+ #pass quick on { lo $int_if }
- #pass in on $ext_if inet proto tcp from any to $ext_if user proxy keep state
+ #antispoof quick for { lo $int_if }
- # assign packets to a queue.
+ #pass in on $ext_if proto tcp to ($ext_if) port ssh keep state
- #pass out on $ext_if from 192.168.0.0/24 to any keep state queue developers
+ #pass in on $ext_if proto tcp to ($ext_if) port > 49151 user proxy keep state
- #pass out on $ext_if from 192.168.1.0/24 to any keep state queue marketing
+ #pass in log on $ext_if proto tcp to ($ext_if) port smtp keep state
+ #pass out log on $ext_if proto tcp from ($ext_if) to port smtp keep state