Bonjour, 
The Basics
- Nextcloud Server version (e.g., 29.x.x):
- 34.0.1
- Operating system and version (e.g., Ubuntu 24.04):
Ubuntu 26.04
- Is this the first time you’ve seen this error? (Yes / No):
Yes
- When did this problem seem to first start?
After add trusted server
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
AIO
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
No
Summary of the issue you are facing:
I have 2 instance NextCloud AIO, when I add each others to trusted servers list, I never add verified and trusted server.
Steps to replicate it (hint: details matter!):
-
Administration
-
Add https:// url in truted servers list
Log entries
Nextcloud
On one server:
ClientExceptionClient error: `POST https://NEXTLOUD-URL-MASKED-SERVER1/ocm/notifications` resulted in a `403 Forbidden` response: {"message":"RESOURCE_NOT_FOUND"}
error while sending notification for federated share: Client error: `POST https://NEXTLOUD-URL-MASKED-SERVER1/ocm/notifications` resulted in a `403 Forbidden` response: {"message":"RESOURCE_NOT_FOUND"}
On second:
InvalidArgumentExceptionInvalid Federated Cloud ID
Web server / Reverse Proxy
I have Traefik on front, but no errors logs.
But in Apache, I have this error:
{
"level": "error",
"ts": 1788167799.4730844,
"logger": "http.log.error",
"msg": "readfrom tcp 127.0.0.1:35104->127.0.0.1:8000: write tcp 127.0.0.1:35104->127.0.0.1:8000: use of closed network connection",
"request": {
"remote_ip": "10.0.2.7",
"remote_port": "36524",
"client_ip": "172.23.0.1",
"proto": "HTTP/1.1",
"method": "POST",
"host": "NEXTCLOUD-URL-MASKED-SERVER2",
"uri": "/ocs/v2.php/apps/federation/trusted-servers",
"headers": {
"X-Forwarded-Port": [
"443"
],
"X-Forwarded-Server": [
"ff55405c0fe5"
],
"X-Requested-With": [
"XMLHttpRequest, XMLHttpRequest"
],
"Content-Type": [
"application/json"
],
"Dnt": [
"1"
],
"Content-Length": [
"43"
],
"User-Agent": [
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:154.0) Gecko/20100101 Firefox/154.0"
],
"Priority": [
"u=0"
],
"Referer": [
"https://NEXTCLOUD-URL-MASKED-SERVER2/settings/admin/sharing"
],
"Requesttoken": [
"QEKbAnBrO+GGCWq+BJic+DdmT6ybfEJxTWyF4jD9SJs=:awbMUxIZCNbJU1nNMsD6jAUjCM/KCAhafiHQqkbWPqo="
],
"Sec-Fetch-Site": [
"same-origin"
],
"Traceparent": [
"00-15577a76727f9b71523193c09efbe0de-4eb78c49e04ce24e-01"
],
"X-Forwarded-Host": [
"NEXTCLOUD-URL-MASKED-SERVER2"
],
"Te": [
"trailers"
],
"X-Forwarded-Proto": [
"https"
],
"X-Real-Ip": [
"172.23.0.1"
],
"Cookie": [
"REDACTED"
],
"Sec-Fetch-Dest": [
"empty"
],
"Sec-Gpc": [
"1"
],
"Accept": [
"application/json, text/plain, */*"
],
"Accept-Language": [
"fr-FR,en-US;q=0.9,en;q=0.8"
],
"Sec-Fetch-Mode": [
"cors"
],
"Origin": [
"https://NEXTCLOUD-URL-MASKED-SERVER2"
],
"X-Forwarded-For": [
"172.23.0.1"
],
"Accept-Encoding": [
"gzip, deflate, br, zstd"
]
}
},
"duration": 0.001185474,
"status": 502,
"err_id": "tbwp6nyd5",
"err_trace": "reverseproxy.statusError (reverseproxy.go:1626)"
}
Configuration
Nextcloud
The output of occ config:list system or similar is best, but, if not possible, the contents of your config.php file from /path/to/nextcloud is fine (make sure to remove any identifiable information!):
<?php
/*
* WARNING
*
* This file gets modified by automatic processes and all lines that are not
* active code (ie. comments) are lost during that process.
*
* If you want to document things with comments or use constants add your settings
* in a '<NAME>.config.php' file which will be included and rendered into this file.
*
* Example:
* <?php
* $CONFIG = [];
*
* See also: https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html#multiple-merged-configuration-files
*/
$CONFIG = array (
'one-click-instance' => true,
'one-click-instance.user-limit' => 100,
'memcache.local' => '\\OC\\Memcache\\APCu',
'apps_paths' =>
array (
0 =>
array (
'path' => '/var/www/html/apps',
'url' => '/apps',
'writable' => false,
),
1 =>
array (
'path' => '/var/www/html/custom_apps',
'url' => '/custom_apps',
'writable' => true,
),
),
'check_data_directory_permissions' => false,
'memcache.distributed' => '\\OC\\Memcache\\Redis',
'memcache.locking' => '\\OC\\Memcache\\Redis',
'redis' =>
array (
'host' => 'nextcloud-aio-redis',
'password' => 'XXXXXXXX',
'port' => 6379,
'timeout' => 3.0,
'read_timeout' => 10.0,
),
'overwritehost' => 'NEXTCLOUD-URL-MASKED-SERVER1',
'overwriteprotocol' => 'https',
'passwordsalt' => 'XXXXXXXX',
'secret' => 'XXXXXXXX',
'trusted_domains' =>
array (
0 => 'localhost',
1 => 'NEXTCLOUD-URL-MASKED-SERVER1',
),
'datadirectory' => '/mnt/ncdata',
'dbtype' => 'pgsql',
'version' => '34.0.1.2',
'overwrite.cli.url' => 'https://NEXTCLOUD-URL-MASKED-SERVER1/',
'dbname' => 'nextcloud_database',
'dbhost' => 'nextcloud-aio-database:5432',
'dbtableprefix' => 'oc_',
'dbuser' => 'oc_nextcloud',
'dbpassword' => 'XXXXXXXX',
'installed' => true,
'instanceid' => 'XXXXXXXX',
'maintenance' => false,
'updatechecker' => true,
'loglevel' => 2,
'log_type' => 'file',
'logfile' => '/var/www/html/data/nextcloud.log',
'log_rotate_size' => 10485760,
'log.condition' =>
array (
'apps' =>
array (
0 => 'admin_audit',
),
),
'preview_max_x' => 2048,
'preview_max_y' => 2048,
'jpeg_quality' => 60,
'enabledPreviewProviders' =>
array (
1 => 'OC\\Preview\\Image',
2 => 'OC\\Preview\\MarkDown',
3 => 'OC\\Preview\\MP3',
4 => 'OC\\Preview\\TXT',
5 => 'OC\\Preview\\OpenDocument',
6 => 'OC\\Preview\\Movie',
7 => 'OC\\Preview\\Krita',
0 => 'OC\\Preview\\Imaginary',
23 => 'OC\\Preview\\ImaginaryPDF',
),
'enable_previews' => true,
'upgrade.disable-web' => true,
'mail_smtpmode' => 'smtp',
'trashbin_retention_obligation' => 'auto, 30',
'versions_retention_obligation' => 'auto, 30',
'activity_expire_days' => 30,
'simpleSignUpLink.shown' => false,
'share_folder' => '/Shared',
'one-click-instance.link' => 'https://nextcloud.com/all-in-one/',
'upgrade.cli-upgrade-link' => 'https://github.com/nextcloud/all-in-one/discussions/2726',
'updatedirectory' => '/nc-updater',
'maintenance_window_start' => 100,
'allow_local_remote_servers' => true,
'davstorage.request_timeout' => 3600,
'documentation_url.server_logs' => 'https://github.com/nextcloud/all-in-one/discussions/5425',
'htaccess.RewriteBase' => '/',
'dbpersistent' => false,
'auth.bruteforce.protection.enabled' => true,
'ratelimit.protection.enabled' => true,
'files_external_allow_create_new_local' => false,
'trusted_proxies' =>
array (
0 => '127.0.0.1',
1 => '::1',
10 => '172.21.0.0/16',
),
'preview_imaginary_url' => 'http://nextcloud-aio-imaginary:9000',
'preview_imaginary_key' => 'XXXXXXXX',
'default_phone_region' => 'FR',
'default_language' => 'fr',
'default_locale' => 'fr_FR',
'skeletondirectory' => '',
'knowledgebaseenabled' => 'false',
'mail_smtphost' => 'XXXXXXXX',
'mail_smtpport' => 'XXXXXXXX',
'mail_smtpauthtype' => 'XXXXXXXX',
'mail_domain' => 'XXXXXXXX',
'mail_from_address' => 'XXXXXXXX',
'mail_smtppassword' => 'XXXXXXXX',
'mail_smtpauth' => true,
'serverid' => 445,
'log_type_audit' => 'file',
'logfile_audit' => '/var/www/html/data/audit.log',
'update_channel' => 'stable',
'memories.db.triggers.fcu' => true,
'memories.exiftool' => '/var/www/html/custom_apps/memories/bin-ext/exiftool-amd64-musl',
'memories.vod.path' => '/var/www/html/custom_apps/memories/bin-ext/go-vod-amd64',
'memories.vod.ffmpeg' => '/usr/bin/ffmpeg',
'memories.vod.ffprobe' => '/usr/bin/ffprobe',
);
Two instances have same similars settings.
I don’t know.
Thanks !