IPF Firewall Rules... help!

bob at a1poweruser.com bob at a1poweruser.com
Fri Apr 8 09:51:28 PDT 2005


Gareth
If you read the limewire website carefully you will see that no
where does it say it will work on PC on a local area network (LAN).
This is one of those products that buries the sending IP address in
the packets. A PC on the LAN uses an NATed ip address and this
product can not handle that.  This is a common problem with products
such as this.  This is not an firewall problem. It's a design error
in the products internet communications exchange of session packets.
It's just not designed to work on PC that is on a LAN.

To use this product your XP box has to be connected to the internet
with a real public IP address.  IE: not be on a LAN using NATed IP
address.

For your INFO  attaching files is a bad thing to do. That is how
virus get  passed around and many people here on this list will not
open them.  Next time just post file content into body of your email
post.

-----Original Message-----
From: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Gareth
Bailey
Sent: Friday, April 08, 2005 9:26 AM
To: freebsd-questions
Subject: Fwd: IPF Firewall Rules... help!

Hi Bob,

Thanks, I have read the handbook and a couple of other articles. I
have attached my ipf and ipnat rule lists. Please advise on the
commented out Bit torrent sections. The windows clients want to run
Limewire.

WRT the LAN environment, we have a couple of Windows XP SP2 clients,
and the freeBSD gateway. The external connection from the gateway
runs
upstairs into the block's router, which is connected to an ADSL
router
(no static IP).

Thanks for your help!

Gareth

On Apr 8, 2005 2:51 PM, bob at a1poweruser.com <bob at a1poweruser.com>
wrote:
> Read the official FreeBSD handbook firewall section. It has
working
> examples.  Any more help can only be offered if you post your
rules
> and give details of your LAN environment.
>
> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org
> [mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Gareth
> Bailey
> Sent: Friday, April 08, 2005 8:16 AM
> To: freebsd-questions
> Subject: IPF Firewall Rules... help!
>
> We have a freebsd gateway server for windows clients. We use IPF
> with nat.
>
> What ipf rules and ipnat rules are required on the gateway for
> Limewire peer-to-peer to connect on the clients.
>
> If you can help, please do... i'm doing something wrong!
>
> Thanks
> Gareth
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