ldaps support for Nextcloud snap

wslauson · August 16, 2025, 6:33am

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The Basics

Nextcloud Server version (e.g., 29.x.x):
- Nextcloud Hub 10 (31.0.7)
Operating system and version (e.g., Ubuntu 24.04):
- Oracle Linux 9.6
Web server and version (e.g, Apache 2.4.25):
- Apache 2.4
Reverse proxy and version _(e.g. nginx 1.27.2)
- none
PHP version (e.g, 8.3):
- 8.3
Is this the first time you’ve seen this error? (Yes / No):
- yes
When did this problem seem to first start?
- initial ldaps bind
Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
- snap on vm
Are you using CloudfIare, mod_security, or similar? (Yes / No)
- no

Summary of the issue you are facing:

I am having trouble getting my nextcloud install to bind to my AD server using ldaps

I can bind on the command line using ldapsearch

I have placed my AD CA cert in the snap’s certs folder and even made a hashed link to it

I have looked at nextcloud log with the logging turned up to 255, but the errors are very generic.

I am using SELinux, but I have allowed LDAP from httpd and I am not seeing any blocks in the audit log.

Is there something I need to do to point the snap at the cert.

Is is maybe a DNS issue where the sandbox is not resolving my local domain correctly.

Is there a way for me to manually test this beyond trying different combinations of values on the configuration page?

I am pretty stuck, so any help would be appreciated.

Please let me know if you need any more information.

Thanks!

Steps to replicate it (hint: details matter!):

Install nextcloud as snap
Enable user_ldap app
Set ldaps host to AD controller, port to 636 (manually),
Set DN to service account and provide password
set known good base dn
test the base DN and get the following errors:

The base dn appears to be wrong
Lost connection to the ldap server

Log entries

Nextcloud

Please provide the log entries from your Nextcloud log that are generated during the time of problem (via the Copy raw option from Administration settings->Logging screen or from your nextcloud.log located in your data directory). Feel free to use a pastebin/gist service if necessary.

{"reqId":"30iwIHYQIpdx1IBuOl6v","level":2,"time":"2025-08-16T02:11:51+00:00","remoteAddr":"redacted","user":"admin","app":"PHP","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"ldap_bind(): Unable to bind to server: Can't contact LDAP server at /snap/nextcloud/49338/htdocs/apps/user_ldap/lib/LDAP.php#285","userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 OPR/120.0.0.0","version":"31.0.7.1","data":{"app":"PHP"}}

{"reqId":"lJaqhQhExXjJsMlWWze4","level":2,"time":"2025-08-16T02:18:50+00:00","remoteAddr":"redacted","user":"admin","app":"PHP","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"ldap_bind(): Unable to bind to server: Invalid credentials at /snap/nextcloud/49338/htdocs/apps/user_ldap/lib/LDAP.php#285","userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 OPR/120.0.0.0","version":"31.0.7.1","data":{"app":"PHP"}}

Web Browser

If the problem is related to the Web interface, open your browser inspector Console and Network tabs while refreshing (reloading) and reproducing the problem. Provide any relevant output/errors here that appear.

PASTE

Web server / Reverse Proxy

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

PASTE HERE

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!):

nextcloud.occ config:list 
{
    "system": {
        "apps_paths": [
            {
                "path": "\/snap\/nextcloud\/current\/htdocs\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/snap\/nextcloud\/current\/nextcloud\/extra-apps",
                "url": "\/extra-apps",
                "writable": true
            }
        ],
        "supportedDatabases": [
            "mysql"
        ],
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "memcache.local": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 0
        },
        "log_type": "file",
        "logfile": "\/var\/snap\/nextcloud\/current\/logs\/nextcloud.log",
        "logfilemode": 416,
        "maintenance_window_start": 1,
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "nextcloud.my.edu"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "31.0.7.1",
        "overwrite.cli.url": "http:\/\/localhost",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_sendmailmode": "smtp",
        "mail_smtpport": "25",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "ldapProviderFactory": "OCA\\User_LDAP\\LDAPProviderFactory",
        "maintenance": false
    },
    "apps": {
        "activity": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": "filesystem"
        },
        "app_api": {
            "enabled": "yes",
            "installed_version": "5.0.2",
            "types": ""
        },
        "backgroundjob": {
            "lastjob": "18"
        },
        "bruteforcesettings": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": ""
        },
        "circles": {
            "enabled": "yes",
            "installed_version": "31.0.0",
            "loopback_tmp_scheme": "http",
            "maintenance_run": "0",
            "maintenance_update": "{\"3\":1755308877,\"2\":1755312379,\"1\":1755312379}",
            "migration_22": "1",
            "migration_run": "0",
            "types": "filesystem,dav"
        },
        "cloud_federation_api": {
            "enabled": "yes",
            "installed_version": "1.14.0",
            "types": "filesystem"
        },
        "comments": {
            "enabled": "yes",
            "installed_version": "1.21.0",
            "types": "logging"
        },
        "contactsinteraction": {
            "enabled": "yes",
            "installed_version": "1.12.0",
            "types": "dav"
        },
        "core": {
            "backgroundjobs_mode": "cron",
            "emailTestSuccessful": "1",
            "installedat": "1755117534.5603",
            "lastcron": 1755312379,
            "lastupdatedat": 1755117534,
            "mail_providers_enabled": false,
            "metadataGenerationDone": true,
            "moveavatarsdone": "yes",
            "previewsCleanedUp": "1",
            "public_files": "files_sharing\/public.php",
            "vendor": "nextcloud",
            "files_metadata": {
                "photos-original_date_time": {
                    "value": null,
                    "type": "int",
                    "etag": "",
                    "indexed": true,
                    "editPermission": 0
                },
                "photos-size": {
                    "value": null,
                    "type": "array",
                    "etag": "",
                    "indexed": false,
                    "editPermission": 0
                },
                "photos-exif": {
                    "value": null,
                    "type": "array",
                    "etag": "",
                    "indexed": false,
                    "editPermission": 0
                },
                "photos-ifd0": {
                    "value": null,
                    "type": "array",
                    "etag": "",
                    "indexed": false,
                    "editPermission": 0
                },
                "blurhash": {
                    "value": null,
                    "type": "string",
                    "etag": "07bbc39aec077bbc55181100d08d918b",
                    "indexed": false,
                    "editPermission": 0
                }
            },
            "oc.integritycheck.checker": []
        },
        "dashboard": {
            "enabled": "yes",
            "installed_version": "7.11.0",
            "types": ""
        },
        "dav": {
            "buildCalendarReminderIndex": "yes",
            "buildCalendarSearchIndex": "yes",
            "builtSocialSearchIndex": "yes",
            "enabled": "yes",
            "installed_version": "1.33.0",
            "regeneratedBirthdayCalendarsForYearFix": "yes",
            "types": "filesystem"
        },
        "federatedfilesharing": {
            "enabled": "yes",
            "installed_version": "1.21.0",
            "types": ""
        },
        "federation": {
            "enabled": "yes",
            "installed_version": "1.21.0",
            "types": "authentication"
        },
        "files": {
            "enabled": "yes",
            "installed_version": "2.3.1",
            "mimetype_version": "31.0.7.1",
            "types": "filesystem"
        },
        "files_downloadlimit": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": ""
        },
        "files_pdfviewer": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": ""
        },
        "files_reminders": {
            "enabled": "yes",
            "installed_version": "1.4.0",
            "types": ""
        },
        "files_sharing": {
            "enabled": "yes",
            "installed_version": "1.23.1",
            "types": "filesystem"
        },
        "files_trashbin": {
            "enabled": "yes",
            "installed_version": "1.21.0",
            "types": "filesystem,dav"
        },
        "files_versions": {
            "enabled": "yes",
            "installed_version": "1.24.0",
            "types": "filesystem,dav"
        },
        "firstrunwizard": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": ""
        },
        "logreader": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": "logging"
        },
        "lookup_server_connector": {
            "enabled": "yes",
            "installed_version": "1.19.0",
            "types": "authentication"
        },
        "nextcloud_announcements": {
            "enabled": "yes",
            "installed_version": "3.0.0",
            "pub_date": "Thu, 24 Oct 2019 00:00:00 +0200",
            "types": "logging"
        },
        "notifications": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": "logging"
        },
        "oauth2": {
            "enabled": "yes",
            "installed_version": "1.19.1",
            "types": "authentication"
        },
        "password_policy": {
            "enabled": "yes",
            "installed_version": "3.0.0",
            "types": "authentication"
        },
        "photos": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "lastPlaceMappedUser": "admin",
            "lastPlaceMappingDone": "true",
            "types": "dav,authentication"
        },
        "privacy": {
            "enabled": "yes",
            "installed_version": "3.0.0",
            "types": ""
        },
        "profile": {
            "enabled": "yes",
            "installed_version": "1.0.0",
            "types": ""
        },
        "provisioning_api": {
            "enabled": "yes",
            "installed_version": "1.21.0",
            "types": "prevent_group_restriction"
        },
        "recommendations": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": ""
        },
        "related_resources": {
            "enabled": "yes",
            "installed_version": "2.0.0",
            "types": ""
        },
        "serverinfo": {
            "cached_count_appdata_files": 151,
            "cached_count_filecache": 210,
            "cached_count_storages": 2,
            "enabled": "yes",
            "installed_version": "3.0.0",
            "size_appdata_storage": 0,
            "types": ""
        },
        "settings": {
            "enabled": "yes",
            "installed_version": "1.14.0",
            "types": ""
        },
        "sharebymail": {
            "enabled": "yes",
            "installed_version": "1.21.0",
            "types": "filesystem"
        },
        "support": {
            "SwitchUpdaterServerHasRun": "yes",
            "enabled": "yes",
            "installed_version": "3.0.0",
            "types": "session"
        },
        "survey_client": {
            "enabled": "yes",
            "installed_version": "3.0.0",
            "types": ""
        },
        "systemtags": {
            "enabled": "yes",
            "installed_version": "1.21.1",
            "types": "logging"
        },
        "text": {
            "enabled": "yes",
            "installed_version": "5.0.0",
            "types": "dav"
        },
        "theming": {
            "enabled": "yes",
            "installed_version": "2.6.1",
            "types": "logging"
        },
        "twofactor_backupcodes": {
            "enabled": "yes",
            "installed_version": "1.20.0",
            "types": ""
        },
        "user_ldap": {
            "background_sync_interval": "1800",
            "background_sync_offset": "0",
            "background_sync_prefix": "s01",
            "cleanUpJobOffset": "0",
            "enabled": "yes",
            "installed_version": "1.22.0",
            "s01_lastChange": "1755312182",
            "s01has_memberof_filter_support": "0",
            "s01home_folder_naming_rule": "",
            "s01last_jpegPhoto_lookup": "0",
            "s01ldap_admin_group": "",
            "s01ldap_agent_password": "***REMOVED SENSITIVE VALUE***",
            "s01ldap_attr_address": "",
            "s01ldap_attr_anniversarydate": "",
            "s01ldap_attr_biography": "",
            "s01ldap_attr_birthdate": "",
            "s01ldap_attr_fediverse": "",
            "s01ldap_attr_headline": "",
            "s01ldap_attr_organisation": "",
            "s01ldap_attr_phone": "",
            "s01ldap_attr_pronouns": "",
            "s01ldap_attr_role": "",
            "s01ldap_attr_twitter": "",
            "s01ldap_attr_website": "",
            "s01ldap_attributes_for_group_search": "cn\ndescription\nname",
            "s01ldap_attributes_for_user_search": "cn",
            "s01ldap_background_host": "",
            "s01ldap_background_port": "",
            "s01ldap_backup_host": "",
            "s01ldap_backup_port": "",
            "s01ldap_base": "DC=my,DC=local",
            "s01ldap_base_groups": "OU=groups,OU=accounts,DC=my,DC=local",
            "s01ldap_base_users": "OU=faculty,OU=users,OU=accounts,DC=my,DC=local",
            "s01ldap_cache_ttl": "600",
            "s01ldap_configuration_active": "1",
            "s01ldap_connection_timeout": "15",
            "s01ldap_default_ppolicy_dn": "",
            "s01ldap_display_name": "displayName",
            "s01ldap_dn": "cn=NextCloud Service,ou=Users,DC=my,DC=local",
            "s01ldap_dynamic_group_member_url": "",
            "s01ldap_email_attr": "",
            "s01ldap_experienced_admin": "1",
            "s01ldap_expert_username_attr": "",
            "s01ldap_expert_uuid_group_attr": "",
            "s01ldap_expert_uuid_user_attr": "objectguid",
            "s01ldap_ext_storage_home_attribute": "",
            "s01ldap_gid_number": "gidNumber",
            "s01ldap_group_display_name": "cn",
            "s01ldap_group_filter": "objectClass=posixGroup",
            "s01ldap_group_filter_mode": "0",
            "s01ldap_group_member_assoc_attribute": "member",
            "s01ldap_groupfilter_groups": "",
            "s01ldap_groupfilter_objectclass": "",
            "s01ldap_host": "ldaps:\/\/adwin1.my.local",
            "s01ldap_login_filter": "(& (sAMAccountName=%uid)(memberOf=CN=faculty,OU=groups,OU=accounts,DC=my,DC=local))",
            "s01ldap_login_filter_mode": "0",
            "s01ldap_loginfilter_attributes": "",
            "s01ldap_loginfilter_email": "0",
            "s01ldap_loginfilter_username": "1",
            "s01ldap_mark_remnants_as_disabled": "0",
            "s01ldap_matching_rule_in_chain_state": "unknown",
            "s01ldap_nested_groups": "0",
            "s01ldap_override_main_server": "",
            "s01ldap_paging_size": "500",
            "s01ldap_port": "636",
            "s01ldap_quota_attr": "",
            "s01ldap_quota_def": "",
            "s01ldap_tls": "",
            "s01ldap_turn_off_cert_check": "0",
            "s01ldap_turn_on_pwd_change": "0",
            "s01ldap_user_avatar_rule": "default",
            "s01ldap_user_display_name_2": "",
            "s01ldap_user_filter_mode": "0",
            "s01ldap_userfilter_groups": "",
            "s01ldap_userfilter_objectclass": "",
            "s01ldap_userlist_filter": "objectClass=posixAccount",
            "s01use_memberof_to_detect_membership": "1",
            "types": "authentication"
        },
        "user_status": {
            "enabled": "yes",
            "installed_version": "1.11.0",
            "types": ""
        },
        "viewer": {
            "enabled": "yes",
            "installed_version": "4.0.0",
            "types": ""
        },
        "weather_status": {
            "enabled": "yes",
            "installed_version": "1.11.0",
            "types": ""
        },
        "webhook_listeners": {
            "enabled": "yes",
            "installed_version": "1.2.0",
            "types": "filesystem"
        },
        "workflowengine": {
            "enabled": "yes",
            "installed_version": "2.13.0",
            "types": "filesystem"
        }
    }
}

Apps

The output of occ app:list (if possible).
nextcloud.occ app:list
Enabled:

activity: 4.0.0
app_api: 5.0.2
bruteforcesettings: 4.0.0
circles: 31.0.0
cloud_federation_api: 1.14.0
comments: 1.21.0
contactsinteraction: 1.12.0
dashboard: 7.11.0
dav: 1.33.0
federatedfilesharing: 1.21.0
federation: 1.21.0
files: 2.3.1
files_downloadlimit: 4.0.0
files_pdfviewer: 4.0.0
files_reminders: 1.4.0
files_sharing: 1.23.1
files_trashbin: 1.21.0
files_versions: 1.24.0
firstrunwizard: 4.0.0
logreader: 4.0.0
lookup_server_connector: 1.19.0
nextcloud_announcements: 3.0.0
notifications: 4.0.0
oauth2: 1.19.1
password_policy: 3.0.0
photos: 4.0.0
privacy: 3.0.0
profile: 1.0.0
provisioning_api: 1.21.0
recommendations: 4.0.0
related_resources: 2.0.0
serverinfo: 3.0.0
settings: 1.14.0
sharebymail: 1.21.0
support: 3.0.0
survey_client: 3.0.0
systemtags: 1.21.1
text: 5.0.0
theming: 2.6.1
twofactor_backupcodes: 1.20.0
user_ldap: 1.22.0
user_status: 1.11.0
viewer: 4.0.0
weather_status: 1.11.0
webhook_listeners: 1.2.0
workflowengine: 2.13.0
Disabled:
admin_audit: 1.21.0
encryption: 2.19.0
files_external: 1.23.0
suspicious_login: 9.0.1
twofactor_nextcloud_notification: 5.0.0
twofactor_totp: 13.0.0-dev.0

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scubamuc · August 16, 2025, 7:22am

github.com/nextcloud-snap/nextcloud-snap

Unable to add LDAPS, unable to configure LDAPS certificate

offen 06:18AM - 04 Aug 23 UTC

geschlossen 09:20PM - 07 Aug 23 UTC

wawuo

#### Describe the bug A clear and concise description of the bug. #### To Re…produce Steps to reproduce the behavior: 1. Go to '...' 2. Click on '....' 3. Scroll down to '....' 4. See error #### Expected behavior A clear and concise description of what you expected to happen. #### Screenshots If applicable, add screenshots to help explain your problem. #### OS/snapd/snap version What OS and version are you running? Please also include the output of the following commands: $ snap list nextcloud and: $ snap version #### Logs Please paste in the output from [this script](https://github.com/nextcloud/nextcloud-snap/wiki/Issue-Debugging-Scripts) to assist in debugging (note that it's pre-formatted).

wslauson · August 18, 2025, 2:18pm

Thanks! I’ll just do it the old fashioned way, then. I appreciate the link. I guess the search engines hadn’t indexed that one yet. (or I wasn’t thorough enough) Thanks again.