Milton
Networking becomes much easier when you understand what each protocol actually does. π₯
Hereβs a quick visual guide to some of the most common protocols:
π΅ SSH β Secure Shell
π Secure, encrypted remote access to network devices and servers.
β‘οΈ Default TCP port: 22
π΄ HTTP β Hypertext Transfer Protocol
π Used for web communication without encryption.
β‘οΈ Default TCP port: 80
π’ HTTPS β HTTP Secure
π HTTP protected with TLS encryption for secure web communication.
β‘οΈ Default TCP port: 443
π£ VPN β Virtual Private Network
π‘οΈ Creates an encrypted tunnel between VPN endpoints across an untrusted network such as the Internet.
π DNS β Domain Name System
π Translates human-readable domain names such as www.example.com into IP addresses.
π©· SMTP β Simple Mail Transfer Protocol
π§ Used to send and relay email messages between mail servers.
β‘οΈ Common ports: 25 for server-to-server SMTP and 587 for message submission.
π‘ Easy way to remember:
SSH β Secure remote access
HTTP β Web
HTTPS β Secure web
VPN β Encrypted tunnel
DNS β Names β IP addresses
SMTP β Email delivery
π Save this for your networking study and troubleshooting reference!
#education #networking #technology #fblifestyle #fyp
