nanog mailing list archives

Re: Is malicious asymmetrical routing still a thing?


From: Jon Lewis <jlewis () lewis org>
Date: Thu, 9 Mar 2023 17:22:11 -0500 (EST)

On Thu, 9 Mar 2023, William Herrin wrote:

On Thu, Mar 9, 2023 at 12:27 PM Aaron1 <aaron1 () gvtc com> wrote:
Sounds like something uRPF would prevent

Does anyone do uRPF ?  lol

I would hope folks are implementing uRPF on commodity broadband
connections. That's one place it works great.

My home wifi AP blocked me two different ways, but once I got around that, I was able to determine that Spectrum cable Internet does appear to block spoofed source traffic. :)

----------------------------------------------------------------------
 Jon Lewis, MCP :)           |  I route
 StackPath, Sr. Neteng       |  therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________


Current thread: