Network Knowledge

Protocol Numbers

TCP/IP Ports and Protocols | TCP/IP Ports and Protocols | Pearson IT Certification

An overview of HTTP - HTTP | MDN

Firewall

• Package filtering (IP/TCP layer)

• Session layer Connection tracking

• Application layer 7

  Deep packet inspection - Wikipedia

  • Web filtering
  • Intrusion prevention systems
  • User identity management
  • Web application firewall

Well-known ports