v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space
newton at internode.com.au
Tue Feb 10 00:39:52 UTC 2009
On 10/02/2009, at 11:03 AM, Jack Bates wrote:
>> There is if you have a dual-stack device, your L4-and-above protocols
>> are the same under v4 and v6, and you don't want to reinvent the
>> ALG wheel.
> ALG only fixes some problems, and it's not required for as much when
> address translations are not being performed.
On a commodity consumer CPE device, the ALG code doubles as a
stateful inspection engine.
So it _is_ required when address translations are not being performed.
Is security something that gets thought about now, or post-deployment?
Mark Newton Email: newton at internode.com.au
Network Engineer Email:
newton at atdot.dotat.org (H)
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