The Dynamic Host Configuration Protocol (DHCP) is a standardized network protocol used on Internet Protocol (IP) networks for dynamically distributing network configuration parameters, such as IP addresses for interfaces and services. With DHCP, computers request IP addresses and networking parameters...
A network socket is an endpoint of an inter-process communication across a computer network. Today, most communication between computers is based on the Internet Protocol, therefore most network sockets are Internet sockets. A socket address is the combination of an IP address...
The Domain Name System, or DNS, is one of the Internet’s fundamental building blocks. It is the global, hierarchical, and distributed host information database that’s responsible for translating names into addresses and vice versa, routing mail to its proper destination, and many other...
Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (email) transmission. SMTP by default uses TCP port 25. The protocol for mail submission is the same, but uses port 587. Sendmail was one of the first mail transfer...