fix(crowdsec): update whitelist.yaml to prevent false positive

false positive:
- outline session problem (LePresidente/http-generic-401-bf)
This commit is contained in:
2026-05-17 00:00:46 +09:00
parent 24eff8f3eb
commit a6bba986a5
2 changed files with 29 additions and 0 deletions
@@ -18,4 +18,7 @@ whitelist:
- "evt.Meta.target_fqdn == '{{ services['nextcloud']['domain']['public'] }}.{{ domain['public'] }}' && evt.Meta.http_status == '404' && evt.Meta.http_verb == 'GET' && evt.Meta.http_path startsWith '/index.php/core/preview?'" - "evt.Meta.target_fqdn == '{{ services['nextcloud']['domain']['public'] }}.{{ domain['public'] }}' && evt.Meta.http_status == '404' && evt.Meta.http_verb == 'GET' && evt.Meta.http_path startsWith '/index.php/core/preview?'"
# nextcloud chunks.mjs request false positive # nextcloud chunks.mjs request false positive
- "evt.Meta.target_fqdn == '{{ services['nextcloud']['domain']['public'] }}.{{ domain['public'] }}' && evt.Meta.http_status in ['200', '304'] && evt.Meta.http_verb == 'GET' && evt.Meta.http_path contains 'chunk.mjs'" - "evt.Meta.target_fqdn == '{{ services['nextcloud']['domain']['public'] }}.{{ domain['public'] }}' && evt.Meta.http_status in ['200', '304'] && evt.Meta.http_verb == 'GET' && evt.Meta.http_path contains 'chunk.mjs'"
# outline POST 401 errors false positive
- "evt.Meta.target_fqdn == '{{ services['outline']['domain']['public'] }}.{{ domain['public'] }}' && evt.Meta.http_status == '401' && evt.Meta.http_verb == 'POST' && evt.Meta.http_path startsWith '/api/'"
{% endif %} {% endif %}
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@@ -0,0 +1,26 @@
# Outline crowdsec false positive issue
## Status
- Finished
## Date
- 2026-05-16
## Version
- Outline: 1.7.1
## Problem
- Reload the outline when session is terminated, it causes 401 errors
- fw ban users' IP address.
## Reason
- When the session is terminated by some reasons, every request recieves 401 errors
- `LePresidente/http-generic-401-bf`
## Timeline
- 2026-05-16: Release outline
- 2026-05-16: Find the false positive case, and add whitelist
## Solution
- Add expression on whitelist
- evt.Meta.target_fqdn == '{{ services['outline']['domain']['public'] }}.{{ domain['public'] }}' && evt.Meta.http_status == '401' && evt.Meta.http_verb == 'POST' && evt.Meta.http_path startsWith '/api/'