browserrecon project

advanced web browser fingerprinting

Fingerprint File: ua-os.fdb (last update: 06/05/2008)

The ua-os header is optional. The proprietary header field was introduced within Microsoft Internet Explorer 7.0 to transmit the underlying operating system of the client device.

	Implementation	Ua-os
	Microsoft Internet Explorer 3.02	Windows 2000
	Microsoft Internet Explorer 4.01	Windows CE (Pocket PC) - Version 4.21

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