Jan 30, 2011 · You often see example hello world code for Node that creates an Http Server, starts listening on a port, then followed by something along the lines of: console.log('Server is …

A port is just a channel that you select for the communication, and the protocol determines how the communication is done. A certain protocol usually uses a specific port, like port 80 for …

Sep 23, 2011 · 145 Can anyone tell me how to telnet to an address using a specific port? I've tried the following: telnet 10.1.1.55 I suppose a route just hasn't been set up between the two …

Sep 9, 2015 · There is no standard about that, but port 8443 is sometimes known as the https-alt, and it seems the only one being popularly used as alternative HTTPS port. It may have …

Aug 17, 2012 · Is there a way to examine the status of a specific port from the Windows command line? I know I can use netstat to examine all ports but netstat is slow and looking at a specific …

Dec 2, 2025 · Only solution which allows the use of scp -3 from and to servers with ssh listeners on different ports. scp -3 -P 123 server1:/file -P 456 server2:/file or similar alternatives wouldn't …

I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script. I've managed to do it with the telnet command, and it …

How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.

Jan 14, 2015 · Serial port is a type of device that uses an UART chip, a Universal Asynchronous Receiver Transmitter. One of the two basic ways to interface a computer in the olden days, …

Oct 9, 2008 · 127.0.0.1:80 but with IPv6 notation the address itself can contain colons. For example, this is the short form of the loopback address: ::1 How are ports (or their functional …