Fw: [OT] How can I "Ping" a particular port

[Gareth Cook <g@xxxxxxxxxx>]

Must have been a full moon :-)

Gareth Cook
IT Architect / Project Manager, SWG Sales
IBM SWG Sales - Lotus Park, Staines, TW18 3AG
Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
email: g@xxxxxxx


----- Forwarded by Gareth Cook/UK/IBM on 19/08/2006 06:52 -----

Discussion
Main Topic

ukha_d@xxxxxxx
Yesterday 22:48

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Subject:
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Re: [ukha_d] [OT] How can I "Ping" a particular port
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Category:



Thanks Chris and everyone who suggested using telnet.

Sorry Gareth, you were the first to suggest it and I said it didn't work
- Of course it does as long as you use it properly.

Anyway, all sorted now.

UKHA_D comes up trumps again!

Cheers

Neil

Chris Miles wrote:
>
> you cant ping any old port... ICMP(ping) runs on a dedicated port.
>
> the best thing you can do is use telnet. if a connection is
> established then the port is open, if the connection
> fails then there is no open port.
>
> When it connects the command prompt screen will go completely black
> with a cursor flashing,
> where as when it cannot connect you get the following.
>
> C:\Documents and Settings\Chris>telnet 127.0.0.1 2000
> Connecting To 127.0.0.1...Could not open connection to the host, on
> port 2000: Connect failed
> C:\Documents and Settings\Chris>
>
> ----- Original Message -----
> From: Neil Fuller
> To: ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>
> Sent: Wednesday, August 16, 2006 6:18 PM
> Subject: [ukha_d] [OT] How can I "Ping" a particular port
>
> Hi guys
>
> I want to make sure some port forwarding I've set up in my router
works.
> At the moment, I can't use the specific applications to test the
access
> so I thought the easiest way would be to ping the specific ports.
>
> However, "ping <IPADDR>:<Port#> doesn't work so how
can I check that the
> routing is set up correctly?
>
> Can I do this using ping or is there another shell command I need to
use
> or even an alternative bit of software?
>
> Thanks
>
> Regards
>
> Neil
>
> [Non-text portions of this message have been removed]
>
>