North American Network Operators Group

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Re: Moving filters from edge to core

  • From: Mike Lyon
  • Date: Mon Jul 28 03:14:41 2003

I would tend to keep the filters on the edge, for obvious reasons. Your 
management would probably agree with this the first time you get attacked 
coming from each of your edge routers with nothing to protect it from 

You could always make a script (PERL) to go out and make the modifications 
to your edge routers for you.

My $.02,

On Mon, 28 Jul 2003, Tay Chee Yong wrote:

> Hi all,
> This might be quite a stupid question. But my management is looking at
> moving the filters from the edge to the core, so as to reduce adminstration
> of apply filters on all our edge routers, and minimizing the possibility of
> non-synchronized filters at the edge.
> Does anyone has any advise on this? I believe all the there are many larger
> ISP in this list that have a better way to manage your filters at the edge.
> Would appreciate all inputs/comments.
> Thanks.
> Regards,
> Cheeyong

-                    Mike Lyon                     -
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