This Windows Powershell command performs a similar function for any TCP/IP port:
*tnc xxxx -port nn* '*xxxx*' is the domain name or IP address of the target system and '*nn*' is any port number. Mike Shaw MVS/QuickRef Support Group Chicago-Soft, Ltd. On Tue, Jul 29, 2025 at 11:23 AM Tom Brennan <t...@tombrennansoftware.com> wrote: > One of the first things I do with a possible server issue is issue a DOS > or line command something like this, with ip address and port number: > > telnet xxx.xxx.xxx.xxx 21 > > I believe every TCPIP client, even one doing encrypted sessions, first > calls the "connect()" C routine, and that includes telnet. So if that > ip/port is listening and available via the network, you'll get some kind > of response after the telnet connect() is successful. He probably won't > know what to do with the response and you'll need to click ctrl-] and > then "quit", but at least you know you connected. If there's no > connection possible, you'll typically get a delay then an error message, > and that would have given you a good clue about the bad IP address. > > I can't remember but I think you said you're on Windows. In modern > Windows, telnet (stupidly) doesn't come enabled. You may need to enable > it with this command from an admin DOS window: > > dism /online /Enable-Feature /FeatureName:TelnetClient > > On 7/28/2025 11:39 PM, Support, DUNNIT SYSTEMS LTD. wrote: > > I owe the entire list a big apology. This was an IP address error. I > accidentally pasted the wrong IP address over the correct one. > > > > "NEVERMIND!" - Emily Litella > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
