[wellylug] ADSL modem and Linux router/firewall without double NAT

Jethro Carr jethro.carr at jethrocarr.com
Wed Dec 30 12:49:27 NZDT 2009


On Wed, 2009-12-30 at 12:27 +1300, David Harrison wrote:
> I am just wondering why you would want to do this in the first place?

> Decent ADSL routers are reliable and provide tools for forwarding some
> or all Internet ports to an internal IP address.

> Seems to me (without a clear use case) you are creating a problem
> where one doesn't exist.

> i.e. Get a decent ADSL router, forward all ports to your Linux box and
> you've got what you are after without forking out a tonne of cash or
> breaking Telecom's TOS.


VoIP would be one good example, trying to get SIP through two layers of
NAT would not be a lot of fun.

regards,
jethro

-- 
Jethro Carr
www.jethrocarr.com/index.php?cms=blog
www.amberdms.com
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