I'd first comment out all of your 'pass' statements
for ppp0.  If you can still portscan, something else
is wrong.  If you're blocked, re-enable a few at a
time until you find it.
Mindless approach, but amazing what those sometimes
turn up.


--- Alex Yeah <[EMAIL PROTECTED]> wrote:
> 
> I have a problem with ipfilter and dns (named) and
> samba in an netbsd 1.5.3 i386.
> 
> The problem is that although I think that ipf.conf
> rule list below would block the ports 139 and 53 it
> doesn't. If I portscan my machine from outside it
> does show that there is samba and dns running in
> these ports.
> 
> It does deny ping and the others, but somehow samba
> and named seem to somehow "bypass" the firewall.
> 
> ## rtk0 = LAN
> ## ppp0 = Internet // PPPoE via ne0
> block in log quick on ppp0 from 127.0.0.1/8 to any
> block in log quick on ppp0 from 192.168.0.0/16 to
> any
> block in log quick on ppp0 from 172.16.0.0/12 to any
> block in on ppp0 all
> pass in quick on rtk0 all
> pass out quick on rtk0 all
> pass in on rtk0 proto tcp from any to any keep state
> pass in on rtk0 proto udp from any to any keep state
> pass in on rtk0 proto icmp from any to any keep
> state
> pass out on ppp0 proto tcp from any to any keep
> state
> pass out on ppp0 proto udp from any to any keep
> state
> pass out on ppp0 proto icmp from any to any keep
> state
> pass in on ppp0 proto tcp from any to any port = 20
> flags S keep state
> pass in on ppp0 proto tcp from any to any port = 21
> flags S keep state
> pass in on ppp0 proto tcp from any to any port = 22
> flags S keep state
> pass in on ppp0 proto tcp from any to any port = 80
> flags S keep state
> pass in on ppp0 proto tcp from any to any port = 113
> flags S keep state
> pass in on ppp0 proto tcp from any to any port =
> 6665 flags S keep state
> pass in on ppp0 proto tcp from any to any port =
> 6666 flags S keep state
> pass in on ppp0 proto tcp from any to any port =
> 6667 flags S keep state
> pass in on ppp0 proto tcp from any to any port =
> 6969 flags S keep state
> pass in on ppp0 proto tcp from any to any port = 411
> flags S keep state
> pass in on ppp0 proto tcp from any to any port = 444
> flags S keep state
> 
> 
> 
> 
> ---------------------------------
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