Nextcloud cannot be accessed, network reset

ℹ️ Support
1

Nextcloud version (eg, 18.0.2): 18.0.3
Operating system and version (eg, Ubuntu 20.04): Raspbian 10 buster (Nextcloudpi)
Apache or nginx version (eg, Apache 2.4.25): 2.4.38
PHP version (eg, 7.1): 7.3.14

The issue you are facing:
My nextcloud keeps randomly having errors while accessing the website, says ERR_CONNECTION_RESET.

Is this the first time you’ve seen this error? (Y/N): No

Steps to replicate it:
I have no idea, but it only happens when i try accessing it using the external ip. Temporarily fixes itself when i use the UPnP tool.

The output of your Nextcloud log in Admin > Logging:

This is the only error code i recieved today, I'm pretty sure it doesn't have anything to do with this error.

WarningappstoreFetcher2020-08-26T02:15:15+0700
Could not connect to appstore: cURL error 28: Operation timed out after 10000 milliseconds with 2511377 out of 5377215 bytes received (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

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

/var/www/nextcloud/config/config.php

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

nc-access.log
https://0bin.net/paste/gTtWUXPH#aqk75I6sKz43K8RqtDDGlDNLpEbB4yW+AJ96KW+cOPk

nc-error.log

https://0bin.net/paste/alW-u3WM#r0Kwy1yxnpxSl0lhwfIAZEyJ6uK1J64yEIyJytKpjQw

Error.log

https://0bin.net/paste/dM6h2XkW#DSW5QSmxEqMOTD8GNU41lLd44ZcUJzgLOUf8UMLu4zj

2

Because it sometimes works (your first pasted log) you have perhaps have a general problem with your server like space, cpu, …

Please look
top
and install htop
htop

3

idk, it seems that my system is pretty ok, nothing seems overloaded.

htop
htop1196×126 3.8 KB

and from top

top - 10:07:47 up  6:07,  2 users,  load average: 0.02, 0.02, 0.00
Tasks: 158 total,   1 running, 157 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.2 us,  0.2 sy,  0.0 ni, 99.5 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :   3827.9 total,   2835.4 free,    317.6 used,    674.9 buff/cache
MiB Swap:    100.0 total,    100.0 free,      0.0 used.   3336.6 avail Mem`
4

Ok. Perhaps there is a network problem. Can you test with another client?
Also perhaps you can install on the server a desktop environment or window manager and use nextcloud local.

5

Yes, i tried it with my home computer running apache, and it runs okay

6

No. Run a Browser on your Nextcloud. Ok with NextcloudPi on Pi perhaps a problem :wink:
I think it is a Pi and NextcloudPi - problem.

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