Remote Desktop requires TCP port 3389 to be open. Also, opening UDP port 3389 enables acceleration since RDP 8.0. It is possible to change the port used by the terminal server (or PC which is accessed), see this Microsoft support article: How to change the listening port for Remote Desktop. The UDP port for accelerated … Read more
You can check if a process listens on a TCP or UDP port with netstat -tuplen. To check whether some ports are accessible from the outside (this is probably what you want) you can use a port scanner like Nmap from another system. Running Nmap on the same host you want to check is quite … Read more
You want to use backtick not regular tick: If that doesn’t work you could also use $() for command interpolation:
Unfortunately the standard DNS A-record (domain name to IP address) used by web-browsers to locate web-servers does not include a port number. Web-browsers use the URL protocol prefix (http://) to determine the port number (http = 80, https = 443, ftp = 21, etc.) unless the port number is specifically typed in the URL (for … Read more
I believe the issue is within these lines: iptables -t filter -F iptables -t filter -X which indeeds clear all chains. One possible solution is to launch the docker daemon after the iptables setup script. Otherwise you will need to explicitly removes chains you’re interested in.
So it’s throwing up that error message because you have apache2 running on port 80. If this is for development, I would just leave it as it is on port 5000. If it’s for production either: Not Recommended Stop apache2 first; Not recommended as it states in the documentation: You can use the builtin server during development, but you … Read more
NAT punch through works on the principle of educated guesswork. It is usually used to create connections with devices that do IP Masquerading. This is the technology used in most home internet modems to the point that NAT has become interchangeably used to refer to IP Masquerading. When you connect out from a device which … Read more
You need to make sure that the previous container you launched is killed, before launching a new one that uses the same port.
the IP adress is 0.0.0.0, state = LISTENING: means that port 80 is listening to all interfaces (not used) How to read NETSTAT -AN results: https://sites.google.com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat–an-results
Step 1: Open up cmd.exe (note: you may need to run it as an administrator, but this isn’t always necessary), then run the below command: netstat -ano | findstr :<PORT> (Replace <PORT> with the port number you want, but keep the colon) The area circled in red shows the PID (process identifier). Locate the PID of the process that’s … Read more