Index of /ports_net/ttlscan

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ttlscan is a libnet/libpcap based program that sends a TCP SYN packet to 
each port of the host given via the command line. The answer is sniffed 
of the wire. I use it to detect hosts that fake services by forwarding 
packets to another host (behind a firewall). By reading header files 
like the TTL, window size and IPID you might be able to see the OS 
running on the host behind the firewall.

WWW:	http://www.raisdorf.net/projects/ttlscan
AUTHOR:	Hendrik Scholz <hendrik@scholz.net>

	- Michael L. Hostbaek
	mich@FreeBSD.org