[Info-vax] How to tell if TCP/IP port is in use

[Michael Moroney]

JF Mezei <jfmezei.spamnot at vaxination.ca> writes:

>Michael Moroney wrote:

>> I really want to know if something is listening on port 1234.  


>netstat -a  if I remember correctly. It will give you a list of ports
>being lisnened to and active connections. You can then scan for
>"LISTEN"  AND 1234

Thanks, all.  It appears the following sets $STATUS to different values
depending on whether the port has a listener or not.
"netstat" is also a builtin command of the tcpip command.

$ pipe tcpip netstat -an | search sys$input "*.1234","LISTEN"/mat=and