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What is the [User Agent] Field in Quickbase Audit Logs?

  • April 30, 2025
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JoshMillerQB
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Example User Agent:

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 Edg/134.0.0.0

Full Breakdown:

PartMeaning
Mozilla/5.0This is a legacy prefix. Originally meant "compatible with Mozilla browsers." Today it just signals "I'm a web browser" for compatibility.
(Windows NT 10.0; Win64; x64)Operating system and architecture: Windows 10, 64-bit (x64 architecture).
AppleWebKit/537.36Rendering engine: WebKit (like Safari and Chrome use), version 537.36. Means the browser uses WebKit-based layout.
(KHTML, like Gecko)Says the engine behaves like Gecko (used by Firefox). Another compatibility statement.
Chrome/134.0.0.0Browser engine version: Chromium version 134.0.0.0.
Safari/537.36Compatibility tag indicating Safari WebKit behavior (same as AppleWebKit version).
Edg/134.0.0.0Microsoft Edge browser, Chromium-based, version 134.0.0.0.

What This Tells Us:

  • Operating System: Windows 10
  • Architecture: 64-bit machine (x64)
  • Browser: Microsoft Edge (Chromium-based)
  • Browser Version: 134.0.0.0
  • Rendering Engine: WebKit (via Chromium 134)
  • Note: Although Chrome and Safari are mentioned, the real browser is revealed by the Edg/ identifier.

Quick Tip: Identifying Browsers

Edg/ =  Microsoft Edge

Chrome/ without Edg =

  Google Chrome

Firefox/ =

  Mozilla Firefox

Safari/ (without Chrome or Edg) =

  Apple Safari

Splitting the User Agent into Useful Fields:

Field NameWhat It CapturesExample Value
Browser NameThe name of the browserMicrosoft Edge
Browser VersionFull version of the browser134.0.0.0
Operating SystemThe OS platformWindows 10
ArchitectureCPU architecture type64-bit (x64)
Device TypeDesktop, Mobile, or TabletDesktop
Engine NameRendering engine
(WebKit, Blink, Gecko, etc.)
WebKit (Chromium-based)
Engine VersionRendering engine version537.36

How This Would Look When Split:

Raw User Agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 Edg/134.0.0.0
Browser Name:Microsoft Edge
Browser Version:134.0.0.0
Operating System:Windows 11
Architecture:64-bit (x64)
Device Type:Desktop
Engine:WebKit (Chromium)
Engine Version:537.36

Conclusion:

The User Agent field in Quickbase audit logs isn't just technical noise — it's a treasure trove of insights. By understanding how to read it, you can better identify user environments, troubleshoot access issues, and improve your governance practices within Quickbase.

Next time you see a long User Agent string, take a closer look — the story it tells might surprise you!