Are timestamps enabled for each packet on your computer?
Take the TCP/IP Analyzer SpeedGuide.net test to find out:
http://www.speedguide.net:8080/
If the Timestamps (RFC1191) = ON, then your computer can be tracked to the ends of the earth on the basis of your Clock Skew.
You can disable the timestamps for Windows with the TCPOptimizer program from speedguide at:
http://www.speedguide.net/downloads.php
Or, you can edit the registry.
Clock Skew and your computer's fingerprint:
Read this (dated March 13, 2005) at:
http://www.spywareinfo.com/newslette...2005/mar13.php
In other words, in the "Kiss your Anonymity Goodbye" article unless you either falsify the timestamps on each packet or instruct the computer not to attach them to each packet - your computer clock skew can identify your computer.
Story Link:
http://www.zdnet.com.au/news/securit...9183346,00.htm
Remote Physical Device Fingerprinting (PDF paper download available at):
http://www.caida.org/publications/pa...ingerprinting/ (9.94MB)
-- Tom