I'm guessing the second command failed, because www.udacity.com doesn't accept connections on port 8080 (the second argument of the command). I don't see any instructions in the link you provided. EDIT : If you're trying to connect to localhost, use telnet localhost (to connect to port 23) or telnet localhost <port> (replace <port> with the ...
Mar 30, 2007 · Re: telnet error: Could not open a connection to host on port 23 I had a problem with telnet previously on a virtual HP-UV machine and it was sugeted in this forum to run those commands and then bounce the VM.
What application is hooking to that port? if you run a netstat -an on the server you are trying to connect to do you see 8080 in the list? Things like f- ...
Mar 04, 2021 · Could not open connection to the host, on port 23: Connect failed - Telnet I'm using Windows, I really need help because I cannot connect to port 23, all possible way to open the port 23, I still got the same.
04.03.2021 · Could not open connection to the host, on port 23: Connect failed - Telnet I'm using Windows, I really need help because I cannot connect to port 23, all possible way to open the port 23, I still got the same.
07.04.2020 · Telnet Error: Could not open a connection to the host, on the port, connect failed by Christian 07/04/2020 12/05/2020 Leave a Comment on Telnet Error: Could not open a connection to the host, on the port, connect failed
Jul 25, 2015 · Linney: I was not using the Administrator Elevated Command Prompt. I read the link you attached and attempted to use telnet via the Administrator Command Prompt. It didn't work. I still get the same reply "Could not open connection to the host, on port 23: Connect failed I do have telnet enabled in Windows 8.1. Thanks for the tip.
Feb 26, 2021 · After entering the command, if you see the message “could not open connection to the host, on port 21: connect failed“, then this is showing that the port is being blocked. It might be getting blocked by your ISP (internet service provider), or it could be an issue with your security settings.
Oct 27, 2007 · > Subject: [unixadmin-l] Could not open connection to the host, on port > 23: Connect failed > Hi, through telnet i can ab le to login some server but some of the > somever > it’s showing below messages. > Could not open connection to the host, on port 23: Connect f ailed > Could you help on this. > Regars, > Hanu > >
15.12.2021 · Hi, On my Azure VM, I cannot connect to port 25. telnet smtp.sendgrid.net 25 (sendgrid or whatever) return always Could not open connection to the host, on port 25: Connect failed.. I tried Cannot send email (SMTP-Port 25) Diagnostic on Azure portal : This subscription is authorized to send mail over TCP port 25
28.07.2015 · I read the link you attached and attempted to use telnet via the Administrator Command Prompt. It didn't work. I still get the same reply "Could not open connection to the host, on port 23: Connect failed I do have telnet enabled in Windows 8.1. Thanks for the tip. I was hoping you had my answer but no such luck.
Apr 07, 2020 · This will open up the Windows Defender Firewall with Advanced Security – Select Inbound Rules from the left-hand pane – Under Inbound Rule Actions. – Select New Rule. – For the rule type, Select Port, click next, select TCP and specific local ports. – Enter 23, and other TCP ports you want to permit and – Click next.
Could not open connection to the host, on port 23: Connect Failed. ... Telnet connection to ION meters. ... 1. Click the Start menu then search for/select Windows ...
15.03.2018 · "could not open connection to the host on port 23 connect failed windows 10" I saw a lot of tutorials where it tells you to enable the Telnet Client feature from the programs and features, then go on services and enable telnet. But apparently when I open the services Telnet is not listed. So that I cannot enable Telnet.
30.03.2007 · We just installed HP-UX 11.23. Telnet was not on initially so we ran the following commands... insf -ed psuedo insf -e Now we can connect but then a few seconds later we get this error: "Connection to host lost." W try and telnet again and we get this error: Could not open a connection to host on port 23 : Connect failed What could be wrong?
The most common reason for the error "Could not open connection to the host, on port 23: Connect failed" is observed to the firewall block telnet.exe. I would ...
10.08.2013 · But connection failed. I tried to telnet to following telnet 127.0.0.1 1433 but I got following ... Could not open connection to the host, on port 1433: Connect failed. Ask Question ... I did but telnet is still not working. I connect using windows authentication and sql server authentication mode from management studio ...
25.01.2019 · 2) SMTP port is not open. If the mail service is running on the server, then we must check if the SMTP port is closed or not listening on the server. Computer ports are the communication end point of computer connected to a network. So, if the email service is not configured to listen on a port, it can’t handle any incoming requests.