Protocol
Protocol#
This section contains protocol reference pages.
Each protocol page is designed to include:
- Overview : Communication protocol
- 32-bit header diagram
- Header field summary
- Protocol operation
- Related RFCs
- Related protocols
- Wireshark filters
- Troubleshooting examples
Core Protocols#
| Protocol | Layer | Notes |
|---|---|---|
| TCP | Transport | Reliable byte-stream transport |
| UDP | Transport | Connectionless datagram transport |
| IPv4 | Internet | Internet Protocol version 4 |
| IPv6 | Internet | Internet Protocol version 6 |
| ICMP | Internet | Control and diagnostic messages |
| ARP | Link / Internet boundary | IPv4 address resolution |
| DNS | Application | Name resolution |
| DHCP | Application | Dynamic address configuration |
| TLS | Application / Security | Secure transport layer |
| QUIC | Transport / Application | UDP-based encrypted transport |