verifying an open or closed port on an ip address

["" <ian () kingcon com>]

Hello,

I am looking for a windows compatible utility or method, preferably command line, where I can verify whether a port on 
an ip address is reachable or not.  I want to be able to do individual ports and not port scans.  Say for instance I 
wish to verify that port 677 is closed to traffic on ip address Ex. 172.16.0.1, I'm looking for a utility that would do 
something like:

Check 172.16.0.1 port 677

and tell me whether that port was reachable.

So if I have two networks and I use this command from one I can determine whether a port is reachable on another.  To 
determine whether a security measure is failing or not.

There may be a simple way to do this...

Thanks
Ian
:)



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