state mismatch/connection issues

Artis Caune artis.caune at gmail.com
Thu Apr 2 13:28:34 PDT 2009


2009/3/25 Sebastiaan van Erk <sebster at sebster.com>:
> The problem I'm having is that I get intermittent connection
> refused/operation not permitted to another machine on the local network.
> When I do pfctl -s info I see *huge* numbers of state mismatches:
>
> The firewall rules are trivially simple, $ext_if has 2 ips and $int_if has
> one:
>
> interfaces = "{" $ext_if "," $int_if "}"
>
> scrub in all
> set skip on lo0
> antispoof for $interfaces inet
> block out log quick on $ext_if from !$ext_ip1 to any
> block in quick on $ext_if from any to 255.255.255.255
> block log all
>
> pass in quick inet proto icmp all icmp-type $icmp_types
>
> pass in quick on $int_if from $int_net to any
> pass out quick on $int_if from any to $int_net
>
> pass out on $ext_if proto tcp all
> pass out on $ext_if proto { udp, icmp } all
> pass in on $ext_if proto tcp from any to $ext_ip1 port $tcp_services1
> pass in on $ext_if proto tcp from any to $ext_ip2 port $tcp_services2


try without "block out log quick on $ext_if from !$ext_ip1 to any" rule.

btw, is your firewall forwarding traffic or doing nat?

Can you show pfctl -sr and ifconfig output?




-- 
regards,
Artis Caune

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