nanog mailing list archives

RE: source filtering


From: Scott McGrath <SMcGrath () YBP com>
Date: Thu, 14 Jan 1999 08:38:35 -0500

I only spoke from my own experience with both carriers no offense intended

-----Original Message-----
From: Tony Tauber [SMTP:ttauber () bbnplanet com]
Sent: Wednesday, January 13, 1999 10:38 PM
To:   Scott McGrath; Jared Mauch; nanog () merit edu
Subject:      Re: source filtering

On Jan 13,  3:41pm, Scott McGrath wrote:
Subject: RE: source filtering
GTE and ATT both filter via access lists on the customers CPE routers IF
they provide the routers to the customer


It'd be nice if this information came from one of the entities
named above. Here's a refinement for our part.

GTE does not impose mandatory source address filtering via
access-lists on customers' CPE routers. However, we have recently
implemented Cisco's "ip verify unicast reverse-path".

Tony Tauber
GTE Network Engineering


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