Topics
Topic pages explain real-world network behavior as a story: what you see, why it happens, the packet flow, success vs failure patterns, and how to confirm it in Wireshark or tcpdump.
Each topic must link to at least one protocol page and one field page.
Topic Tabs
Switch categories. Search filters only inside the current tab.
Ad slot (topics-top)
How to use
1) Start from the symptom (timeout, retransmission, MTU issues).
2) Follow the packet flow checklist in the topic page.
3) Jump to protocol/field pages for exact details.
Every topic should include success vs failure patterns and a verification checklist.
TCP topics
- TCP Three-Way Handshake
- TCP Retransmission Soon
- TCP Zero Window
- TCP RST (Connection Reset) Soon
DNS topics
- DNS Timeouts
- NXDOMAIN vs SERVFAIL Soon
- DNS Cache Poisoning (Overview) Soon
IPv4 topics
- Path MTU Discovery
- ICMP Fragmentation Needed Soon
- TTL Exceeded and Traceroute Soon
Security topics
- ARP Spoofing
- TLS SNI and Traffic Inspection Soon
- DNS Hijacking (Overview) Soon
Ad slot (topics-bottom)