level3 dia egress filtering?

Justin M. Streiner streiner at cluebyfour.org
Mon May 12 22:59:07 UTC 2014

On Mon, 12 May 2014, Bob Evans wrote:

> Ahh,  Yep, same thing port and/or protocol for an address range.  I haven't
> seen that accomplished via BGP. I know ATT will do it - they want about 2K
> more per month for that ability. All your traffic is redirected (extra
> hops ) through a firewall. So, it's a basic expensive firewall service.
> We have done both port based and protocol. But it gets installed by hand
> only on the connected port the customer.

>From what I've seen, most of the major carriers don't filter traffic 
outside of truly exceptional circumstances, or it's treated as a revenue 
source.  If it's offered at all, it's often priced unattractively, because 
carriers often don't want to be in the firewall/port-filtering business.


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