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Date:      Wed, 28 Jul 2004 11:23:20 -0400 (EDT)
From:      "Steve Bertrand" <iaccounts@ibctech.ca>
To:        dgw@liwest.at
Cc:        questions@freebsd.org
Subject:   Re: Problems after IP change
Message-ID:  <3652.209.167.16.15.1091028200.squirrel@209.167.16.15>
In-Reply-To: <200407281611.09200.dgw@liwest.at>
References:  <200407281452.00859.dgw@liwest.at>    <200407281548.17563.dgw@liwest.at>    <3600.209.167.16.15.1091027170.squirrel@209.167.16.15>    <200407281611.09200.dgw@liwest.at>

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> On Wednesday 28 July 2004 15:06, Steve Bertrand wrote:
>> > On Wednesday 28 July 2004 14:49, Steve Bertrand wrote:
>> >> >> Also, post the relevant ``natd'' line entries in your
>> /etc/natd.conf
>> >> >> file.
>> >> >
>> >> > natd.conf doesn't exist. Do you mean rc.conf? Here it is:
>> >> > natd_interface="rl0"
>> >> > natd_enable="YES"
>> >> >
>> >> > But I didn't change anything here, and it always worked.
>> >>
>> >> Indeed, I did mean rc.conf...sorry ;o)
>> >>
>> >> Now would be a good time to post your fw ruleset.
>> >
>> > add 00300 divert 8668 ip from any to any
>> > add 01300 unreach port tcp from any to any 6699
>> > add 01400 allow log all from any to any via lo0
>> > add 01600 check-state
>> Well, I would hate to do this, but for testing purposes, add a rule (very
>> briefly)...
>> > add 00300 divert 8668 ip from any to any
>> > add 01300 unreach port tcp from any to any 6699
>> > add 01400 allow log all from any to any via lo0
>> add 1500 allow log logamount 1000 all from any to any
>> and check to see if things are working. Your security log file may
indicate where traffic is going whether it is or not.
>
> Yes, it works, but of course I can't leave this rule in all the time.
The SYN/ACK packet that comes back from the remote server is denied by
rule
> 01900. But it should be allowed by the check-state rule.
>
>> Also, I know you haven't changed anything, but what does the output
from
>> this command state?:
>> # sysctl net.inet.ip.forwarding
>
> It is set to 1. I changed this a long time ago.

I figured so...what happens if you add 'keep-state' to rules 20000, 20002
and 20003?

Steve

>
>






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