PortExpert is a free application that can give very useful information about all TCP, UDP communications connected to the system and is hence useful to identify potential threats. These days we are ...

Want to know more about how your system is communicating? Try the Linux ss command. It replaces the older netstat and makes a lot of information about network connections available for you to easily ...

In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

Cloudflare processes 60 million HTTP requests per second, of which about 70% are TCP connections and about 30% are UDP/QUIC connections. Of these, only about 80% of data exchanges are actually ...

You've installed a VPN. It's not quite as fast as you'd like. You could switch to another service, but maybe there's a simple speedup trick you can try first. Open ...

As with any network and internet-capable computing system, many of Apple's services and programs require access to the internet and/or local network using TCP and UDP ports to function properly. When ...

The transport layer protocols provide connection oriented sessions and reliable data delivery services. This paper seeks to reflect a comparative analysis between the two transport layer protocols, ...

<p>Many people were relieved to see Apple include support for Cisco VPN in the Snow Leopard version of Mac OS X; however, the implementation in the operation system is limited to TCP connections and ...