Port Number Flash Card for I.T Essentials

TCP, UDP Domain Name Service

TCP HTTP Hypertext Transfer Protocol for sharing images text videos and other multimedia

TCP, UDP HTTPS Secure Encryption and authenticates your connection with the web server

"TCP" SMTP Simple Mail Transfer Protocol * Video on SMTP And how it works

POP3

IMAP3

Tcp, UDP * Lightweight Directory Access protocol

Tcp FTP File Transfer protocol. Used to transfer files between computers considered insecure, SSH file transfer protocol ( SFTP?, TCP Port 22) Should be used

TCP FTP uses TCP to establish a connection between the client and FTP server. In order to start a data transfer session.

UDP TFTP Trivial File Transfer Protocol Utilizes less overhead than FTP * Video of differences between TFTP and FTP*

TCP SMB/CIFS Server message Block or common internet file system allow for sharing of files printers, and other resources between nodes on a network.*Video on that**

TCP/ UDP AFP Apple filing protocol is a proprietary protocol developed by Apple to enable file services for macOS ad classic MAC

TCP, SSH Secure shell or secure socket shell provides a strong authentication and encrypted data transport between a client and remote computer like Telnet, it provides a command line on the remote computer

TCP Telnet is an insecure remote access protocol that provides a command line on a remote computer SSH is preferred for security reasons

TCP,UDP RDP Remote Desktop protocol was developed by Microsoft to provide access to the graphical desktop of a remote machine. Good for diagnostic on other computers remotely.