Ports
The known port numbers
Similar to IP• Internet protocol: IP is responsible for addressing a data packet. IP encapsulates the data packet that is to be transmitted and adds an address header. The header contains information about the IP addresses of the sender and recipient. The order in which the packets are sent or received is irrelevant to the protocol. It also does not guarantee that... addresses, portsThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains... are also divided into classes. There are three portThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains... ranges: the known portsThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains..., the registered portsThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains... and the dynamic / private portsThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains....
The assignment of portThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains... numbers, the regional assignment of IP• Internet protocol: IP is responsible for addressing a data packet. IP encapsulates the data packet that is to be transmitted and adds an address header. The header contains information about the IP addresses of the sender and recipient. The order in which the packets are sent or received is irrelevant to the protocol. It also does not guarantee that... addresses and DNSDomain Name System (DNS) is a decentralized search service that translates a human-readable domain name or URL into the IP address of the server hosting the website or service. This characteristic of the worldwide distribution of DNS is an important component of the Internet. DNS has been used since 1985. A DNS server serves two purposes. The first is to... root zones (DomainA domain is a name that is unique and unambiguous worldwide on the Internet. The domain can be used for websites and emails. Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains a central repository for protocol names and the registry used for internet protocols.
The following table lists some of the more common, well-known portThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains... numbers.
| PortThe known port numbers Similar to IP addresses, ports are also divided into classes. There are three port ranges: the known ports, the registered ports and the dynamic / private ports. The assignment of port numbers, the regional assignment of IP addresses and DNS root zones (Domain Name System) are managed by IANA (Internet Assigned Numbers Authority). IANA also maintains... number | Assignment |
|---|---|
| 20 | File Transfer Protocol for data transfer |
| 21 | File Transfer Protocol for command management |
| 22 | Secure Shell for secure authentication |
| 23 | Telnet remote authentication service for unencrypted text messages |
| 25 | Simple Mail Transfer Protocol for email routing |
| 53 | DomainA domain is a name that is unique and unambiguous worldwide on the Internet. The domain can be used for websites and emails. Name System service |
| 80 | Hypertext Transfer Protocol for use on the web |
| 110 | Post Office Protocol |
| 119 | Network News Transfer Protocol (NNTP) |
| 123 | Network Time Protocol (NTP) |
| 143 | Internet Message Access Protocol for managing digital email |
| 161 | Simple Network Management Protocol |
| 194 | Internet Relay Chat (IRC) |
| 443 | HTTP and HTTPS over TLS / SSLSecure Sockets Layer (SSL): SSL is a standard protocol for encryption and security. It provides a secure and encrypted connection between the computer and the target server or device accessed over the Internet. |
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