To avoid confusion between simultaneously running network applications on the same computer, the system uses the ports that distribute incoming and outgoing traffic. Network ports sort this data flow and distribute the traffic to the right addresses. Why are network ports used?Ī computer connected to the Internet can send and receive various data packets: transfer files via FTP, get browser data, receive and send emails, etc. Each of the TCP and UDP protocols can use the set of 65536 numbers simultaneously. Typically, the port is written as a 16-bit number from 1 to 65535. What is a port?Ī network port is a system resource identified by a number and dedicated to an application running on some network host for communication with applications running on other network hosts (including other applications on the same host). But what is a port? Is there any difference between them? What ports are typically used by the VPN apps? Find out about all these in this article. These services encrypt the traffic you send or receive on your device and let you hide your Internet activity and bypass some local restrictions.Įach service uses a bunch of common security protocols and ports. ![]() ![]() To protect your Internet activity, many people around the world use various VPN services. ![]() We earn commissions using affiliate links.
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