Testing the connectivity of a port

From: Alistair McKeown (Alistair.Mckeown_at_jacobsrimell.com)
Date: 12/08/04

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    To: "'sunmanagers@sunmanagers.org'" <sunmanagers@sunmanagers.org>
Date: Wed, 8 Dec 2004 10:42:25 -0000

    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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