Xfi Advances Security (comcast)

Jason Kuehl jason.w.kuehl at gmail.com
Fri Sep 10 15:04:17 UTC 2021


This is an SSL VPN that is being blocked. This is what failure looks like.
Curl is the same.

Once we disable the Xfi  Advanced Security everyone can connect.

[image: image.png]

On Fri, Sep 10, 2021 at 11:01 AM Jim Popovitch via NANOG <nanog at nanog.org>
wrote:

> On Fri, 2021-09-10 at 10:31 -0400, Jason Kuehl wrote:
> > For whatever reason Comcast Xfinity is blocking my VPN URL.
>
> Not certain that this applies, but Concast Advanced Security (setup in
> your Comcast gateway) only allows outbound VPN connections to UDP ports
> 500, 4500, and 62515 and TCP port 1723.
>
> -Jim P.
>
>

-- 
Sincerely,

Jason W Kuehl
Cell 920-419-8983
jason.w.kuehl at gmail.com
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