How to check open ports for live streaming – InEvent Blog

Ensure a smooth streaming experience for your in-person corporate events by taking the necessary steps to verify your open ports. This article will provide you with a complete guide on how to check open ports for live streaming on Windows and Mac platforms, eliminating the risk of buffering or any other playback difficulties during your in-person events


to check for open ports in Windows

Here’s a quick guide on how to check your open ports for live streaming on Windows:

1. Open the command prompt. To do this, press the Windows key + R and type “cmd”.

2. Type “netstat -aon” and press enter.

3. Look for the port numbers in the LISTening state. These are the ports you will need to have open for streaming.

4. If the port numbers are not in the LISTening state, you must open them manually. Type “netstat -aon > C:port_test.txt” and press enter to create a text file of all open ports.

5. Open C:port_test.txt in Notepad or another text editor and look for the port numbers that are in the LISTening state. These are the ports you’ll need to forward in your router’s settings.

6. Enter those port numbers in your router’s settings and save your changes.

7. Close the command prompt and try streaming again!

How to Check for Open Ports on Mac You can

check your open ports on Mac

using the command line tool “netstat”. With netstat, you can see all active connections to your computer, including the ports they are using. To use netstat, open the Terminal application and type “netstat -an | grep LISTEN.” This will show you a list of all the open ports on your Mac, along with the Process ID Verification (PID) service and the name of the application that is using each port.

If you are not sure what a particular port is used for, you can look it up in the /etc/services file. This file contains a list of all known services and their associated port numbers. To view the contents of this file, type “cat /etc/services” in the terminal. This command will also be useful for those who prefer to use a laptop for programming and other related tasks.

How many types of ports does live streaming use?

Live streaming typically uses two ports: UDP (User Datagram Protocol) and TCP (Transmission Control Protocol). UDP is typically used for audio streaming, while TCP is used for video streaming. If you’re not sure what protocol your live stream is using, you can check the settings in your streaming software.

To check if a particular port is open on your Mac, you can use the “lsof” command. For example, to check if port 8080 is open, you need to type “lsof -i :8080” in the terminal. This will show you a list of all processes that use port 8080.

You can also use the “nmap” command to search for open ports on your Mac. For example, to find all open UDP and TCP ports, you would type “nmap -sU -sT localhost” in the terminal.

Open ports can be a security risk, so it’s important to close any ports you’re not using. You can use the command “sudo pfctl -F all” to close a port on your Mac. This will flush all currently active rules and close all open ports. You can also use the “sudo pfctl -f /etc/pf.conf” command to close all ports that are listed in the /etc/pf.conf file.

If you’re planning a live stream, checking your open ports beforehand is a good idea to make sure everything is set up correctly. By using the netstat, lsof and nmap commands, you can easily check if there are any open ports on your Mac. Remember to close all unused ports to reduce the risk of security vulnerabilities.

Read our previous posts here and here in live stream.

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