Client agent log values
The Web Proxy and Firewall logs can include a Client Agent field that specifies the operating system initiating the request. The following table lists the possible operating system values.
| User-Agent header | Client Agent value |
|---|---|
Windows NT 5.2 |
Windows Server 2003 |
Windows NT 5.1 |
Windows XP |
windows nt 5 |
Windows 2000 |
windows 2000 |
Windows 2000 |
win2000 |
Windows 2000 |
winnt |
Windows NT |
windows nt |
Windows NT |
win98 |
Windows 98 |
windows 98 |
Windows 98 |
win95 |
Windows 95 |
windows 95 |
Windows 95 |
win32 |
Windows 32-bit |
win16 |
Windows 16-bit |
windows ce |
Windows CE |
windows |
Windows |
aix |
aix |
amiga |
amiga |
hp |
hp |
irix |
irix |
linux |
linux |
mac |
mac |
solaris |
solaris |
sun |
sun |
unix |
unix |
vax |
vax |
If Microsoft Forefront Threat Management Gateway does not recognize the operating system, the log field value is set to Unknown.