[OpenAFS] Networking AFS related problem

[Jeffrey E Altman]

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On 2/3/2022 2:42 AM, Harald Barth (haba@kth.se) wrote:
> Hi Jeff!
>
>> It is unlikely that an ISP is blocking UDP traffic.
> For some value of "ISP". I have been to Karolinska Institutet who did
> supply Internet through the same "eduroam" cooperation as my home
> university. However, the "AFS experience" was totally different
> as in "non existent" on that "eduroam" as they had implemented ...

I do not consider "eduroam" networks provided by member institutions 
to be an ISP.

Many academic institutions which provide public or guest wifi access 
block a broad range of services including RDP, VNC, SSH, SMTP, 
SUBMISSION (e-mail), CIFS, Kerberos, and more.  Several "eduroam" sites 
block AFS ports due so because they have internal AFS cells that they 
consider insecure and want to ensure that they cannot be accessed by the
public.  Such sites expect endusers of these service to VPN to their 
home institutions once they are on the network.

rx/tcp would not help in such situations although a rx/https alternative
would.

Jeffrey Altman


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