IPv4 (RFC 791)

1. Internet header format

   IPv4 header fields: version, IHL, TTL, protocol, flags and checksum.

2. Addressing and fragmentation

   Addresses, fragmentation, identification and reassembly.

3. CIDR notation and aggregation

   Classless prefix notation and route aggregation.

4. Private address space

   10/8, 172.16/12 and 192.168/16 private ranges.

5. Path MTU discovery

   Discovering the path MTU with the DF bit.

6. Requirements for internet hosts

   Host requirements for the IP layer.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• HTTP Strict Transport Security (RFC 6797)
• HTTP Structured Field Values (RFC 9651)
• HTTP/1.1 (RFC 9112)
• HTTP/2 (RFC 9113)
• HTTP/3 (RFC 9114)
• IMAP4rev2 (RFC 9051)
• IPv6 (RFC 8200)
• MIME and Media Types
• MQTT 5.0 (OASIS)
• NTP v4 (RFC 5905)
• Protocol Buffers Language Guide (proto3)
• QUIC Transport (RFC 9000)