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02-18-2008, 06:55 AM
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 openbsd transparrant pf bridge hello i have installed a transparant bridge between two routers infront_rl0 and behind_ rl1 the below is my pf.conf ( first time i ever wrote it ) I wonder if this firewall (OpenBSD3.5) conf i wrote makes any sence ..Both routers allso function as dhcp servers. clients of behind_rl1 only need to access ftp,msn mesenger service pop3 mail and should be able to get their ip-address automatically.The following pf.conf works but i wonder if it makes sence /has any effect. ext_if = "rl0" int_if = "rl1" tcp_services = "{bootpc,bootps,domain}" udp_services = "{bootpc, bootps,domain}" set block-policy return set loginterface &ext_if scrub in on $ext_if all scrub in on $int_it all block in on &ext_if all pass quick on lo0 all: pass out on $ext_if proto tcp from any to ($ext_if) \ port $tcp_services flags S/SA modulate state pass out on $ext_if proto udp from any to ($ext_if) \ port $udp_services flags S/SA keep state pass in on $ext_if proto udp from any to any pass out on $int_if proto tcp all modulate state flags S/SA pass out on $int_if proto {udp,icmp} all keep state cheers      |
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