0-255
You don't. Different ports should be used for different applications. The whole idea of port numbers is to distinguish different applications.
Well Known Ports (Numbers 0 to 1023) - These numbers are reserved for services and applications. They are commonly used for applications such as HTTP (web server) POP3/SMTP (e-mail server) and Telnet. By defining these well-known ports for server applications, client applications can be programmed to request a connection to that specific port and its associated service.
Port numbers are used:1) To distinguish different applications on the server.2) To distinguish different conversations (for example, different browser windows) on the client machine.Port numbers are used:1) To distinguish different applications on the server.2) To distinguish different conversations (for example, different browser windows) on the client machine.Port numbers are used:1) To distinguish different applications on the server.2) To distinguish different conversations (for example, different browser windows) on the client machine.Port numbers are used:1) To distinguish different applications on the server.2) To distinguish different conversations (for example, different browser windows) on the client machine.
If I understand the question aright; different port numbers are used to identify different protocols. Port numbers between 1 and 1023 are well-known numbers and standards define which protocol uses which. FTP uses port number 21, HTTP uses port 80.
In the context of using the ping command, the term "port number" is not applicable. Ping operates at the Internet Control Message Protocol (ICMP) level, which does not involve port numbers, as it is primarily used to test the reachability of a host on a network. Instead, ping sends echo request packets and listens for echo replies. Port numbers are relevant for TCP and UDP protocols, which are used for communication between applications over a network.
Cygwin is used to port applications that were written for Unix or Linux to a Windows environment.
Port number of SMTP is 25 and of IMAP is 143. (These are the standard port numbers used)
The layer of port addresses refers to the Transport Layer in the OSI model. This layer is responsible for providing end-to-end communication and managing data flow between devices. Port addresses, or port numbers, are used to identify specific applications or services on a device, allowing multiple applications to communicate over the same network connection. Common protocols that utilize port addresses include TCP (Transmission Control Protocol) and UDP (User Datagram Protocol).
Prime numbers have many applications. Some examples are: public key cryptography, hash tables, pseudo-random number generators, and ISBN check digits.
Port 8011 is commonly used for various applications, particularly those related to web services and applications that require a non-standard HTTP port. It is often utilized by development environments or specific software solutions, such as proxy servers or custom web applications. However, its specific use can vary depending on the context and the software configuration, so it's essential to refer to the documentation of the particular application using this port for precise information.
The port numbers are as follows: 137, 138, & 139
They are frequently used in Engineering applications.