This article applies as of PRTG 22
Which user agent should I use in the HTTP Advanced sensor's settings?
This depends on the target device that you are monitoring. Usually, you can use the default setting. Only enter a custom string if you want to check a web server's response for a certain web browser identification.
See Wikipedia: User agent for details.
Disclaimer:
The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.
