Port 443 is currently used by what
Port 443 is currently used by HTTPS traffic.
HTTPS, or Hypertext Transfer Protocol Secure, is a secure version of the HTTP protocol that uses Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL), to encrypt all communications between a client and a server. This encryption ensures that all data transmitted over HTTPS is protected from eavesdropping and tampering.
Port 443 is the standard port for HTTPS traffic, and it is used by most websites and web applications to protect their users’ data. When you visit a website that uses HTTPS, your browser will automatically connect to the website on port 443.
In addition to HTTPS traffic, port 443 can also be used for other protocols, such as SPDY and HTTP/2. However, these protocols are typically used in conjunction with HTTPS, so port 443 is still most commonly associated with HTTPS.
Here are some examples of services that use port 443:
- Web browsing (HTTPS)
- Email (IMAP/POP3S)
- File transfer (SFTP)
- Remote desktop (RDP)
- Voice over IP (VoIP)
- Online banking
- E-commerce
- Social media
Port 443 is an essential port for secure communication over the internet. It is used by a wide variety of services and applications to protect users’ data from eavesdropping and tampering.