John Rumm wrote:

Michael Mcneil wrote:

From: http://www.netrn.net/computing.htm

Your IP address is the number assigned by your internet service provider
(ISP) that identifies your computer as you surf the web. An IP address


All of which kind of pre-supposes that the message was not relayed via a
botnet, or used IP source address spoofing on a network that does not
implement egress filtering (i.e most of them!)


Doen';t really matter that much, since at some level the nntp posting
host is in the path, and you can generally work from there.

Ip source address spoofing is rather hard to use to implement a stream
connection, as if you fake where you are coming from, the ack packets
won;t get back to you.

Yoi may be ale to take over a nearby addres, but you can't fake one
across teh other side of teh world.

Most boundary routers are VERY tight on stuff like that.