RE: [PHP] php behind firewall

On Fri, August 4, 2006 1:08 pm, Jim Moseby wrote: >> >> Jim Moseby wrote: >> > >> > I recently read an article about IP fingerprinting. The >> concept is that >> > every PC-NIC-CABLE-FIREWALL combination has subtle, but measurable >> > differences in the way they communicate. It was very >> in-depth, but it >> > worked amazingly well. If I can find the article, I'll post it. >> >> Please do. >> >> I can imagine that the concept goes to the wall with wireless >> users, but >> even so, should be a good read. >> > > Found it: > > http://www.caida.org/publications/papers/2005/fingerprinting/ Just to be pedantic... It's using the clock skew of the user's computer, and I don't think that has anything to do with PC-NIC-CABLE-FIREWALL combination communication. Rather, it is the error margin of the internal clock chip within the device, as I understand it... Or not, as I don't claim to understand that article 100%... -- Like Music? http://l-i-e.com/artists.htm