QUIC traffic throttled on AT&T residential

Fri Feb 21 23:37:41 UTC 2020

First we moved the entire internet to TCP/443.

Now we propose moving it all to UDP/53.

What’s next? Why not simply eliminate port numbers altogether in favor of a single 16-bit client-side unique session identifier.

Owen

> On Feb 21, 2020, at 15:20 , Matthew Petach <mpetach at netflight.com> wrote:
> 
> 
> 
> On Fri, Feb 21, 2020, 13:31 Łukasz Bromirski <lukasz at bromirski.net <mailto:lukasz at bromirski.net>> wrote:
> 
> [...]
> 
> Now… once we are aware, the only question is — where we go from here?
> 
> — 
> ./
> 
> 
> Well, it's clear the UDP 443 experiment wasn't entirely successful.
> 
> So clearly, it's time to use the one UDP port that is allowed through at the top of everyone's ACL rules, and update QUIC in the next iteration to use UDP/53.
> 
> *THAT* should solve the whole problem, once and for all.
> 
> ;)
> 
> Matt
> 

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