Several Nextcloud .com services unreachable

Nextcloud version (eg, 29.0.5): 29.0.3
Operating system and version (eg, Ubuntu 24.04): Gentoo Linux current
Apache or nginx version (eg, Apache 2.4.25): nginx 1.26.2-r2
PHP version (eg, 8.3): 8.1
(nginx/php version both not really relevant).

The issue you are facing:
https://docs.nextcloud.com - unreachable.

# tcptraceroute 5.9.202.145 443
...
 3  et-0-0-3-1001.core0.fi001.nl.freedomnet.nl (185.93.175.247)  6.120 ms  6.005 ms  5.917 ms
 4  as24940.frys-ix.net (185.1.203.251)  6.276 ms  6.468 ms  6.060 ms
 5  * * *
 6  core1.fra.hetzner.com (213.239.203.157)  11.419 ms  12.568 ms  11.880 ms
 7  core22.fsn1.hetzner.com (213.239.224.13)  15.558 ms  15.596 ms  16.138 ms
 8  ex9k1.dc12.fsn1.hetzner.com (213.239.254.122)  15.717 ms  26.670 ms  15.853 ms
 9  s11.nextcloud.com (148.251.126.213)  14.276 ms  14.234 ms  14.258 ms
10  * * *
11  * * *
12  * * *
curl https://docs.nextcloud.com/server/29/go.php?to=admin-setup-well-known-URL -v
* Host docs.nextcloud.com:443 was resolved.
* IPv6: 2a01:4f8:210:21c8::145
* IPv4: 5.9.202.145
*   Trying [2a01:4f8:210:21c8::145]:443...
*   Trying 5.9.202.145:443...
* connect to 2a01:4f8:210:21c8::145 port 443 from 2a10:xxxx:xxx:xxx:xxx:xxx:7:240 port 54980 failed: Verbinding is verlopen
* connect to 5.9.202.145 port 443 from 192.168.7.84 port 59758 failed: Verbinding is verlopen
* Failed to connect to docs.nextcloud.com port 443 after 134119 ms: Couldn't connect to server
* Closing connection
curl: (28) Failed to connect to docs.nextcloud.com port 443 after 134119 ms: Couldn't connect to server

Is this the first time you’ve seen this error? N:

Steps to replicate it:
See above. just attempt to browse the URL, or use curl to test

Possibly related: very varying response in the Admin Settings screen.
Sometimes an update is available, other times it isn’t
IF an upgrade is announced, the actual upgrade never loads.
29.0.5 a few weeks back, not 29.0.6

The output of your Nextcloud log in Admin > Logging:

N/A

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

N/A

The output of your Apache/nginx/system log in /var/log/____:

N/A

Output errors in nextcloud.log in /var/www/ or as admin user in top right menu, filtering for errors. Use a pastebin service if necessary.

N/A
1 Like

Access seems to work again, give it a try!

Sure? it now is stuck in:

curl -v https://download.nextcloud.com/server/releases/nextcloud-29.0.6.zip -o downloads/nextcloud-29.0.6.zip

% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:–:-- --:–:-- --:–:-- 0* Host download.nextcloud.com:443 was resolved.

  • IPv6: 2a01:4f8:210:21c8::145
  • IPv4: 5.9.202.145
  • Trying [2a01:4f8:210:21c8::145]:443…
  • Trying 5.9.202.145:443…
    0 0 0 0 0 0 0 0 --:–:-- 0:02:14 --:–:-- 0* connect to 2a01:4f8:210:21c8::145 port 443 from 2a10:3781:xxx:xxx:xxx:4ff:feda:3dbb port 53072 failed: Verbinding is verlopen
  • connect to 5.9.202.145 port 443 from 192.168.xx.xx port 51736 failed: Verbinding is verlopen
  • Failed to connect to download.nextcloud.com port 443 after 134390 ms: Couldn’t connect to server
    0 0 0 0 0 0 0 0 --:–:-- 0:02:14 --:–:-- 0
  • Closing connection
    curl: (28) Failed to connect to download.nextcloud.com port 443 after 134390 ms: Couldn’t connect to server

I’m sorrym but everything is working fine with an instant and fast download.

Ok this conundrum is now laid to bed.

DHCPCDi for IPv6 closed it’s socket before the answer for PD was received, let alone Acked.
This caused the ISP to stop forwarding IPv6 packets.
Kind a hard to be debugged.

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