Afrihost - Pure Fibre Feedback Thread Part 2

I've also been experiencing the same issue when trying to access Microsoft services even `portal.azure.com` does not work for me

Not sure if anybody else have been having issues

Peacock22 said:
@Afrigirl @AfriNatic

Hi, I am having intermittent issues with Microsoft services hosted on their Azure Front Door CDN (msedge) service over IPv6. This issue has been happening for a few days now, both on the new BNGs and old BNGs. I've rebooted both my ONT and my router. I'm using Afrihost's DNS servers. This issue persisted on both the new and old BNGs, across different IPv6 prefixes. It seems to work fine over IPv4.

Some of the services affected over IPv6:
  • code.visualstudio.com (Visual Studio Code can't update, and can't load code.visualstudio.com in a normal web browser or via cURL)
  • wcpstatic.microsoft.com (microsoft.com, minecraft.net can't TLS handshake to this)
  • cdn.botframework.com (azure.microsoft.com can't TLS handshake to this)
  • launcher.mojang.com (Minecraft Launcher tries to do update check before showing UI but can't so it doesn't show the UI at all)
  • js.monitor.azure.com
  • s-part-0028.t-0009.t-msedge.net (commonality across all of these)
These all resolve down to s-part-0028.t-0009.t-msedge.net with IPv6 address 2620:1ec:bdf::56

When trying to load over HTTPS in the browser, client apps (Visual Studio Code, Minecraft Launcher, etc...) or even via cURL in the terminal, it hangs in the middle of the TLS handshake:

Code: 
host [~]$ curl -Lvk6 https://s-part-0028.t-0009.t-msedge.net
* Host s-part-0028.t-0009.t-msedge.net:443 was resolved.
* IPv6: 2620:1ec:bdf::56
* IPv4: (none)
*   Trying [2620:1ec:bdf::56]:443...
* ALPN: curl offers h2,http/1.1
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS change cipher, Change cipher spec (1):

And when using plaintext HTTP, it hangs while waiting for a response from the server:

Code: 
host [~]$ curl -Lvk6 http://s-part-0028.t-0009.t-msedge.net
* Host s-part-0028.t-0009.t-msedge.net:80 was resolved.
* IPv6: 2620:1ec:bdf::56
* IPv4: (none)
*   Trying [2620:1ec:bdf::56]:80...
* Connected to s-part-0028.t-0009.t-msedge.net (2620:1ec:bdf::56) port 80
* using HTTP/1.x
> GET / HTTP/1.1
> Host: s-part-0028.t-0009.t-msedge.net
> User-Agent: curl/8.14.1
> Accept: */*
>
* Request completely sent off

Strange part: if you use cURL and it hangs at first, cancel it and immediately run cURL again - sometimes it will actually successfully load and work for a short while after that. And then break again.

I don't know where the issue lies - with Afrihost or with Microsoft (or somewhere else) - but this has been broken for quite a few days :(
Click to expand...
 
francoistk said:
I've also been experiencing the same issue when trying to access Microsoft services even `portal.azure.com` does not work for me

Not sure if anybody else have been having issues
Click to expand...

This sounds like its very likely MTU related, I had tons of issues with Microsoft related sites when I turned on IPV6 with CISP, only to realize I forgot to set the MTU lower.
 
francoistk said:
I've also been experiencing the same issue when trying to access Microsoft services even `portal.azure.com` does not work for me

Not sure if anybody else have been having issues
Click to expand...
Hi.

On which FNO?
 
I'm down in Capetown Northern suburbs looks like the same thing we had about two weeks ago
 
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