How would I check that something is listening on port 80, and that there are no firewall rules that would block traffic to oprt 80 from the IP I'm... The command is used in the format of ‘telnet … SSH has replaced telnet for remote access needs, and these days when you … curl show some html content. When you try to establish a connection to a remote server, one of two things happens: The server accepts the connection. If this happens, curl may display some text from the server. The server rejects the connection. If this happens, you receive a message such as Connection refused or Connect failed. Using curl to troubleshoot. Going directly to the site/server IP 123.45.67.123 works. Connection refused with telnet, curl works - Stack Overflow I also tried telnet
