Is malicious asymmetrical routing still a thing?

Jon Lewis jlewis at
Thu Mar 9 22:22:11 UTC 2023

On Thu, 9 Mar 2023, William Herrin wrote:

> On Thu, Mar 9, 2023 at 12:27 PM Aaron1 <aaron1 at> 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
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