Testing the connectivity of a port

From: Alistair McKeown (Alistair.Mckeown@jacobsrimell.com)
Date: Wed Dec 08 2004 - 05:42:25 EST


Hi there Gurus,

        I've got a general network question, but if something can be run on
Solaris it would be amazing. I was wondering if there is any program or
command that you could trace to see if a particular port can connect from a
source machine over a network through to server like a trace route.

        With a trace route you can trace a route through but its running on
a specific port. In all me years of I.T I've never know a program that could
do it.
        E.g if I want to know that say port 8932 goes through from client to
server is there a trace I can do?

I think I've been told before there is no way of doing this, and the only
way is to look at the traffic coming through on a firewall or a router
between the client and server.

Alistair.
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