On Fri, 2007-02-16 at 16:27 +0000, [EMAIL PROTECTED] wrote: > > Has anyone implemented a tool that ISPs could use to detect whether or > not a NAT/firewall device is present? Perhaps based on OS > fingerprinting?
Yes, p0f detects when hosts are behind a nat gateway. -- Daniel J McDonald, CCIE # 2495, CISSP # 78281, CNX Austin Energy http://www.austinenergy.com
