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CNAME filtering in popup UI widget #4150

Closed

Description

@JoviDong

Prerequisites

  • I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the uAssets issue tracker.
  • This is NOT a YouTube, Facebook or Twitch report. These sites MUST be reported by clicking their respective links.
  • I performed a cursory search of the issue tracker to avoid opening a duplicate issue.
  • The issue is not present after disabling uBO in the browser.
  • I checked the documentation to understand that the issue I am reporting is not normal behavior.

I tried to reproduce the issue when...

  • uBO is the only extension.
  • using a new, unmodified browser profile.

Description

Hi there,

To help quickly adjust dynamic rules, I was wondering if there are plans to enhance the popup UI filter widget to support filtering by CNAME, similar to what is currently available in the logger interface filter widget.

Please feel free to close this issue if there are no plans for this! Thanks for your time and the great work.

A specific URL where the issue occurs.

everywhere

Steps to Reproduce

  1. Open the popup UI filter widget.
Image

Expected behavior

The popup UI filter widget allows filtering by CNAME, making dynamic rule adjustments faster and easier without opening the logger.

Actual behavior

CNAME filtering is currently only available within the logger interface filter widget.

Image

Configuration

Details
uBlock Origin: 1.75.1b6
Firefox: 159
filterset (summary):
 network: 1907
 cosmetic: 938
 scriptlet: 3643
 html: 87
listset (total-discarded, last-updated):
 removed:
  ublock-filters: null
  ublock-badware: null
  ublock-privacy: null
  ublock-unbreak: null
  ublock-quick-fixes: null
  easylist: null
  easyprivacy: null
  urlhaus-1: null
  plowe-0: null
 default:
  user-filters: 6580-5, never
filterset (user): [array of 3155 redacted]
switchRuleset:
 added: [array of 6 redacted]
hostRuleset:
 added: [array of 710 redacted]
userSettings:
 advancedUserEnabled: true
 cloudStorageEnabled: true
 userFiltersTrusted: true
hiddenSettings:
 allowGenericProceduralFilters: true
 extensionUpdateForceReload: true
 filterAuthorMode: true
 trustedListPrefixes: ublock- user- https://raw.githubusercontent.com/JoviDong/
 updateAssetBypassBrowserCache: true
 userResourcesLocation: [redacted]
supportStats:
 allReadyAfter: 281 ms (selfie)
 maxAssetCacheWait: 31 ms
 cacheBackend: indexedDB

Activity

  1. locked and limited conversation to collaborators on Oct 8, 2026
  2. converted this issue into a discussion #4151 on Oct 8, 2026
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