Ports And Protocols

Front 1

HTTP

Back 1

Hypertext Transfer Protocol. This protocol is used by Web servers to access and deliver information across the Internet between Web servers and Web browsers. It uses Port 80.

Front 2

FTP

Back 2

File Transfer Protocol. This protocol is used by file servers to transfer files over the Internet. It uses Port 20 for data transfer and port 21 for a command channel.

Front 3

POP

Back 3

Post Office Protocol. This is a protocol used to receive email from an email server. It uses Port 110.

Front 4

SMTP

Back 4

Simple Mail Transfer Protocol. This is a protocol used by email servers to route email between mail servers. It uses Port 25.

Front 5

TELNET

Back 5

Terminal Emulation Protocol. This protocol allows a client to connect to a server remotely and interact with the server as if they were actually sitting at the server machine. It uses Port 23.

Front 6

HTTPS

Back 6

HTTP over Secure Socket Layer.

Front 7

IMAP

Back 7

Internet Message Access Protocol. This is an Application Layer Internet protocol that allows an e-mail client to access e-mail on a remote mail server. It uses port 993.

Front 8

DNS

Back 8

Domain Name System. This is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It uses port 53.

Front 9

RDP

Back 9

Remote Desktop Protocol. This is a proprietary protocol developed by Microsoft, which provides a user with a graphical interface to connect to another computer over a network connection. It uses port 3389.

Front 10

DHCP

Back 10

Dynamic Host Configuration Protocol. This is a network protocol used to configure devices that are connected to a network (known as hosts) so they can communicate on that network using the Internet Protocol (IP).

Front 11

LDAP

Back 11

Lightweight Directory Access Protocol. This is an application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.

Front 12

SNMP

Back 12

Simple Network Management Protocol. This is an "Internet-standard protocol for managing devices on IP networks".

Front 13

SMB

Back 13

Server Message Block. This operates as an application-layer network protocol[1] mainly used for providing shared access to files, printers, serial ports, and miscellaneous communications between nodes on a network.

Front 14

SSH

Back 14

Secure Shell. This is a cryptographic network protocol for secure data communication, remote shell services or command execution and other secure network services between two networked computers that connects, via a secure channel over an insecure network, a server and a client (running SSH server and SSH client programs, respectively).

Front 15

SFTP

Back 15

SSH File Transfer Protocol. This is a network protocol that provides file access, file transfer, and file management functionalities over any reliable data stream.

Front 16

TCP

Back 16

Transmission Control Protocol. This provides reliable, ordered, error-checked delivery of a stream of octets between programs running on computers connected to an intranet or the public Internet.

Front 17

UDP

Back 17

User Datagram Protocol. With UDP, computer applications can send messages, in this case referred to as datagrams, to other hosts on an Internet Protocol (IP) network without prior communications to set up special transmission channels or data paths.