Multiple 404 in the server logs generated by the client

[alayham]

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Steps to reproduce

1. Create an account
2. Try to connect from Ipad
3. Check the server logs

Expected behaviour

The client should not request non-existing URLs

Actual behaviour

404 errors for the following urls:
/index.php/login/v2/poll
/index.php/core/preview
/ocs/v2.php/apps

Logs

<IP> - - [29/Aug/2026:17:34:35 +0200] "GET /apps-appstore/collectives/js/_plugin-vue_export-helper-DkBX4V6b.chunk.mjs HTTP/1.1" 200 161 "-" "Mozilla/5.0 (iPad; CPU OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.6 Mobile/15E148 Safari/604.1" "-"

<IP> - - [29/Aug/2026:17:34:36 +0200] "GET /index.php/apps/theming/image/logo?v=6 HTTP/1.1" 200 2803863 "-" "Mozilla/5.0 (iPad; CPU OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.6 Mobile/15E148 Safari/604.1" "-"

<IP> - - [29/Aug/2026:17:34:36 +0200] "POST /index.php/login/v2/poll?token=SWu3SRrAdC4Gj5x7MJ4afQiT65SgWabc8hPCssf3Bh7M3858X8wBp8YjkDTOBkcQuZvnclFNg1CIT8DKbgfRCat7K70ZRQvT4N3DwsYkYUGH9K24CJ60vrftmAmqZ7sN HTTP/1.1" 404 2 "-" "Mozilla/5.0 (iOS) Nextcloud-iOS/34.1.4" "-"

Reasoning or why should it be changed/implemented?

I have a fail2ban filter for repeated 404 requests. I ended up banning legitimate users on signup.
When I disable the rule, everything works correctly.

Environment data

iOS version: No idea, a user in a different country.

Nextcloud iOS app version: fresh download from the app store.
Server operating system:

Web server: nginx

Database: Mariadb

PHP version:

[root@Nextcloud ~]# php --version
PHP 8.5.9 (cli) (built: Jul 28 2026 13:06:52) (NTS gcc x86_64)
Copyright (c) The PHP Group
Built by Fedora Project
Zend Engine v4.5.9, Copyright (c) Zend Technologies
    with Zend OPcache v8.5.9, Copyright (c), by Zend Technologies

Nextcloud version:

Nextcloud Hub 26 Spring (34.0.2)

[alayham]

Operating system: Fedora 44
Nextcloud package: Fedora repositories.
The server has been running for 3+ years, continuously updated. Never had an issue with it before today.