A new method lets you trace the origins of spam, virus attacks, or illegally copyrighted materials by locating Internet messages? regions of origin.
Index Terms:
trace,spam,border router packet marking,virus attacks
Citation:
Terry Costlow, "Digital Postmark Helps Fight Spam, Virus Attacks," IEEE Distributed Systems Online, vol. 5, no. 5, pp. 4, May 2004, doi:10.1109/MDSO.2004.3