#How to use telnet to test a port install
#How to use telnet to test a port windows

#How to use telnet to test a port windows

Is there something I can do that is simple? My Perl skills are extremely rusty (use it or lose it), don't know any other Windows based languages except batch.

On the Terminal Server, Terminal Server Administration will show a blue computer icon with no other information.

Telnet can be used to test tcp port connections, where as nc can be used to. If telnet is successful, you simply receive the telnet screen and a cursor. Telnet and nc are common tools used to test port connectivity from Linux server. However, I can't use that in a batch run with 500+ server IPs in it. To test the functionality of port 3389, use this command from the Client: Console Telnet tserv 3389 where 'tserv' is the host name of your Terminal Server. Just for chuckles, I tried a web-based remote port checker from a website - and the results were correct for both the 'problem' server and the correct server. I've looked everywhere and thought the ping might do it, but there must be various versions of ping, I suppose as the server I am doing this on does not show that option. This is for a batch file on Windows that will check the status of the remote port then run a command that uses that remote port for information, then the remote port check command again, then the command that uses that port on the next server for information, and so on. There are all sorts of reasons you might want to do this: Check if a web server is down. It can be used to attempt to connect to a server on a given port. Checking if a port is open interactively or through a script is quite a common operation for any administrator. Telnet is a long-time favorite for troubleshooting connection issues. I thought it was a 'good' answer until I did the same command against a host I know has that port open. Test for open ports from using Telnet, Portqry or Powershell. To connect to an SMTP server by using Telnet on port 25, you need to use the fully-qualified domain name (FQDN) (for example,. Step 2: Find the FQDN or IP address of the destination SMTP server.

#How to use telnet to test a port install

To install it, see Install Telnet Client. I tried ping :161 but it doesn't recognize the 'host'. On most versions of Windows, you'll need to install the Telnet client before you can use it. I need a command line that can check the port status on a remote host.