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- Hypertext Transfer Protocol Secure (HTTPS): An extension of HTTP that adds a layer of security through SSL/TLS (SSL (Secure Sockets Layer) and TLS (Transport Layer Security)) encryption. It is used to secure communication over the Internet, particularly for sensitive transactions like online banking, e-commerce, and login sessions.
- File Transfer Protocol (FTP): A protocol for transferring files between a client and a server on a computer network. It provides a set of rules for uploading, downloading, and managing files on a remote server.
- SSH File Transfer Protocol (SFTP): An SSH (Secure Shell) that provides secure file transfer capabilities over a network. It encrypts the commands and data to ensure confidentiality and integrity during file transfers.
- Session Traversal Utilities for NAT (STUN): A protocol used to assist devices behind a NAT (Network Address Translation) or firewall in establishing communication for real-time communication applications, such as VoIP (Voice over Internet Protocol) or video conferencing.
- Session Initiation Protocol (SIP): A signaling protocol for initiating, maintaining, and terminating communication sessions in IP-based networks. It is widely used for voice and video calls, instant messaging, and multimedia conferencing over the Internet.
- WebSocket Secure (WSS): An extension of the WebSocket protocol that adds a layer of security through SSL/TLS encryption. It enables full-duplex communication between a client and a server over a single, long-lived connection.
- VoIP Load Simulator: While not a standard protocol like the others listed, a VoIP load simulator is a tool used to simulate many VoIP calls or sessions to test the performance, scalability, and reliability of VoIP systems and networks.
- Real-time Transport Protocol (RTP) / Secure Real-time Transport Protocol (SRTP): RTP is used for real-time audio and video delivery over IP networks. SRTP adds encryption, authentication, and integrity checks to RTP to ensure secure communication for sensitive data.
TCP/UDP Port Requirements
Below are the application-layer protocols along with their corresponding standard port numbers used to configure network connectivity.
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