T

TCPview 4.14

Sysinternals - www.sysinternals.com – 1.8MB – Freeware
Latest Version
4.14
Safe to install

TCPView: Monitor Active TCP/IP Connections with Ease

Pete Milner

TCPView provides a user-friendly interface to monitor and manage active TCP and UDP connections on your Windows system, making it an essential tool for network troubleshooting.
2025 Editor's Rating

TCPview: A Comprehensive Network Monitoring Tool

TCPview is a powerful network monitoring tool developed by Sysinternals. This software provides users with detailed information about network connections in real-time, making it an essential tool for network administrators and advanced users.

Key Features:

  • Real-Time Monitoring: TCPview allows users to view all current TCP and UDP network connections in real-time, providing detailed information such as the protocol, local and remote addresses, state, and process ID.
  • Process Information: Users can also see the process that initiated the connection, helping to identify which programs are accessing the network.
  • Color Coding: TCPview uses color coding to help users quickly identify different types of connections, making it easier to spot potential issues or anomalies.
  • Filtering Capabilities: Users can easily filter and search for specific connections based on criteria such as protocol, state, or process ID, allowing for quick identification of relevant information.
  • Resource Usage: TCPview provides insights into resource usage for each connection, including data transfer rates and total bytes sent and received.

Benefits of Using TCPview:

  • Identify Suspicious Connections: By monitoring all network connections in real-time, users can quickly identify any suspicious or unauthorized activities on their network.
  • Troubleshooting Network Issues: TCPview helps network administrators troubleshoot connectivity issues by providing detailed information about active connections and the processes involved.
  • Optimizing Network Performance: With insights into resource usage, users can optimize network performance by identifying and addressing any bottlenecks or high-traffic connections.
  • Enhancing Security: By monitoring network activity closely, users can enhance the security of their systems and data by detecting and blocking potentially harmful connections.

TCPview is a valuable tool for monitoring network activity, identifying potential security risks, troubleshooting connectivity issues, and optimizing network performance. With its real-time monitoring capabilities and detailed information display, TCPview is a must-have tool for network administrators and advanced users looking to maintain a secure and efficient network environment.

Overview

TCPview is a Freeware software in the category Miscellaneous developed by Sysinternals - www.sysinternals.com.

The latest version of TCPview is 4.14, released on 09/02/2021. It was initially added to our database on 11/06/2007.

TCPview runs on the following operating systems: Windows. The download file has a size of 1.8MB.

TCPview has not been rated by our users yet.

Pros

  • User-friendly interface that displays TCP and UDP connections in real-time.
  • Shows detailed information about each connection, including local and remote addresses and ports.
  • Allows filtering and sorting of the connections for easier analysis.
  • Integrates well with other Sysinternals tools for a comprehensive view of system processes and network activity.
  • Portable tool that does not require installation, making it easy to use and share.
  • Updates in real-time, providing live data on network connections, which can help in troubleshooting network issues.

Cons

  • Limited functionality for advanced network monitoring; primarily focused on connections rather than traffic information.
  • Not suitable for monitoring traffic flow or bandwidth usage.
  • Does not provide alerts or notifications for unusual connection activity; requires manual checking.
  • May show a large number of connections for busy systems, which can be overwhelming to analyze without additional filtering or sorting.
  • Lack of support or updates from Microsoft beyond the Sysinternals website, which could lead to vulnerabilities over time.

FAQ

What is TCPView?

TCPView is a Windows-based program that displays real-time detailed listings of all TCP and UDP endpoints on your system, including the local and remote addresses and state of TCP connections.

What is Sysinternals?

Sysinternals is a website that provides advanced system utilities for Windows. It was created in 1996 by Mark Russinovich and Bryce Cogswell, and was later acquired by Microsoft in 2006.

Is TCPView free to download and use?

Yes, TCPView is a free program available for download on the Sysinternals website.

What operating systems does TCPView support?

TCPView supports Windows XP and later versions of Windows.

What information does TCPView display for each endpoint?

TCPView displays the local and remote addresses, the process ID (PID) of the process that owns the endpoint, the name of the process, and the status of the endpoint (such as listening or established).

Can I end a TCP connection using TCPView?

Yes, you can right-click on an endpoint in TCPView and choose to close the connection. This will send a request to the remote endpoint to close the connection.

Can I filter endpoints in TCPView?

Yes, you can filter endpoints by local or remote address, protocol, status, PID, or process name.

Can I save data from TCPView to a file?

Yes, you can save data from TCPView to a text file or a CSV file.

Can TCPView run in the background and log data?

No, TCPView is a real-time monitoring tool and does not have a logging feature.

How can I learn more about TCPView?

You can visit the TCPView page on the Sysinternals website, or consult the documentation that comes with the program.


Pete Milner

Pete Milner

I'm Pete, a software reviewer at UpdateStar with a passion for the ever-evolving world of technology. My background in engineering gives me a unique insight into the intricacies of software, allowing me to provide in-depth, knowledgeable reviews and analyses. Whether it's the newest software releases, tech innovations, or the latest trends, I'm here to break it all down for you. I work from UpdateStar’s Berlin main office.

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