Proxy-url-file-3a-2f-2f-2f ((top)) Online

Strings like proxy-url-file-3A-2F-2F-2F should raise a yellow flag in security monitoring.

A PAC file is a JavaScript-based file that tells your browser or system which proxy server to use for different URLs MDN Web Docs It usually ends in In your system settings, you might enter a URL like file:///C:/path/to/proxy.pac or a network URL like proxy-url-file-3A-2F-2F-2F

– Upload suspicious files to VirusTotal or use a local EDR (Endpoint Detection and Response) tool. How to Find or Change Your Proxy URL

If you are a Firefox user and seeing this in logs or prefs.js : proxy-url-file-3A-2F-2F-2F

: Some specialized software (like ArcGIS or development tools) uses these strings to route internal API traffic through specific local gateways. How to Find or Change Your Proxy URL

You will most likely encounter this string in the following scenarios: