TCP Monitoring: How it works?

TCP Monitoring allows you to monitor any Transmission Control Protocol (TCP) port on any server that is publicly accessible via the Internet. And if you want to learn more interesting facts about it, you are in the right place. Why? Because first, we will explore detailed its definition and then how it works. Finally, we will see why TCP Monitoring is advantageous. 

TCP Monitoring: Definition

The TCP Monitoring is one of the most significant network device monitors. When a device responds to a ping, we can assume it is connected to the network and move on to the next step, which is to confirm that the needed services are available. A network device’s services are all accessible through ports. Then, they can be reached by TCP or UDP.

You can check that a service is available on a specific port on the network device by turning on TCP Monitoring. For instance, a web server service is used to host all websites. By default, these services are reachable on ports 80 (non-secure) or 443 (secure). Thus, by configuring a TCP Monitor on port 80, we may determine whether the network device’s web server service is TCP-accessible.

The majority of services that would run on a network device can be configured with TCP Monitoring using a list of regularly used TCP and UDP port numbers that can be found on the Internet.

How does it work? 

TCP/IP protocols are utilized to provide compatibility-free communication between physically isolated computer systems over the Internet. The smooth operation of this communication process is ensured by a TCP Мonitor. Three stages typically make up the Transmission Control Protocol Monitoring process:

  1. Discovering: To get a good view of your network traffic, you must first gather information about your network, devices, and IP addresses. A network map can be made using tools like Server & Application Monitor.
  2. Monitoring: The next step is to begin regularly keeping an eye on the network connections that your applications establish in order to spot any performance problems.
  3. Troubleshooting: Using the data gathered by your TCP Мonitoring, it’s time to address any issues that surface.

Importance of TCP Monitoring

TCP is significant because it defines the guidelines and best practices for information transmission over the Internet. It assures that data transmission is done evenly and is the basis for the Internet as we know it today. By establishing a connection before data transmission starts, you can use TCP Monitoring to make sure a service is available on a particular port on the network device.

Suggested article: What is a Monitoring service and how does it work?


Now you are familiar with TCP Monitoring. If you own a business, you are aware of the importance of making sure your website and servers are operating at peak performance. TCP Monitoring is one method for accomplishing this. This procedure entails continuously verifying that particular ports on your machines are accessible and open. So, don’t waste any more time, and take advantage of it. Good luck!

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