Hi,

I have following LAN configuration:

[ COMP_1 ] ...  [ COMP_n ]
      |            |                               ADSL
   ---+------+-----+------- int_if [ OpenBSD ] ext_if -------- ( Internet )

"comp_1" ... "comp_n" are running a web base application and a number of ports 
on each machine have to be accessible from the internet.

I have the following pf.conf file which doesn't seem to work apart from the 
redirection to port 80!:

--------------------------
ext_if="vr0"
int_if="rl0"

tcp_services = "{ 80, 20, 21, 22, 25, 110, 113 }"
cam_services = "{ 5000, 6000, 6001, 6002, 6005 }"
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 }"

cam1 = "192.168.1.33"

set block-policy return
set loginterface $ext_if

scrub in all

nat on $ext_if from $int_if:network to any -> $ext_if
rdr on $int_if proto tcp from any to any port 21 -> 127.0.0.1 port 8021
rdr pass on $ext_if proto tcp from any to any port 8000 -> $cam1 port 80

block all
block in log all
pass quick on lo0 all

block drop in quick on $ext_if from $priv_nets to any
block drop out quick on $ext_if from any to $priv_nets

pass in on $ext_if inet proto tcp from any to ($ext_if) \
  port $tcp_services flags S/SA keep state

pass in on $ext_if proto tcp from any to $cam1 port $cam_services 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 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
----------------------------------

Thanks for your help

George

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