Re: port scanners/ICMP port unreachable

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On Tue, 28 Mar 1995, Dan Pollack wrote:

> You might want to give icmpinfo a try. It is a neat little program
> that gives very good info on icmp traffic. You should be able to get
> the latest version at hplyot.obspm.fr:/net/icmpinfo-*.tar.gz. You
> might also look at http://www.obspm.fr/~dl/ which is the authors home
> page and has a hypertext version of the man page.

Hi Dan,
	icmpinfo only catches incoming icmp messages - in this case we're 
looking for outgoing port unreachable messages - to detect someone trying 
to connect to an invalid port.

- Oliver

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