Palo Alto Networks Certified Cybersecurity Entry-level Technician (PCCET)Network SecurityEasy
A network security administrator is configuring a new firewall rule to allow specific web traffic. The goal is to permit outbound connections to web servers on the standard, unencrypted web port. Which well-known port number should the administrator specify in the firewall rule for this purpose?
- A443
- B21
- C80
- D22
Show answer & explanationAnswer & explanation
Correct answer: C. 80
Port 80 is the standard, well-known port for HTTP (Hypertext Transfer Protocol), which is used for unencrypted web traffic.
Why the other options are wrong
- A. Port 443 is for HTTPS (Hypertext Transfer Protocol Secure), used for encrypted web traffic.
- B. Port 21 is for FTP (File Transfer Protocol).
- D. Port 22 is for SSH (Secure Shell).
HTTP Port
The standard port number used for Hypertext Transfer Protocol (HTTP), which carries unencrypted web traffic.
- Port number is 80.
- Used for communication between web browsers and web servers.
- Traffic is unencrypted, making it vulnerable to eavesdropping.
Memory trick: Ports: Doors to network services.