⇄   KNOWLEDGE AREA

Networking & protocols

Packets, services, protocol state, and network analysis.

8 topics

Networkingintermediate

Custom protocol parsing and state-machine reconstruction

Custom services define framing, field widths, encoding, and state transitions beyond the transport layer.

custom-protocolsnetworking
Networkingintermediate

DNS records, delegation, and resolver observations

DNS maps names through records and delegated zones.

dns-analysisnetworking
Networkingfoundation

HTTP methods, headers, and representation semantics

HTTP carries requests, responses, representation metadata, and caching instructions.

http-protocolnetworking
Networkingintermediate

Service enumeration and separating identity from banners

A port number suggests a service convention but does not identify the application.

service-enumerationnetworking
Networkingintermediate

SSH forwarding and tunnel direction

SSH forwarding carries connections through an authenticated SSH channel.

ssh-and-tunnelsnetworking
Networkingfoundation

TCP and UDP: delivery, framing, and application state

TCP provides an ordered byte stream; it does not preserve application message boundaries.

tcp-and-udpnetworking
Networkingintermediate

TLS certificates, trust, and handshake inspection

TLS negotiates an encrypted connection and authenticates peers according to certificate and verification policy.

tls-inspectionnetworking
Networkingintermediate

Traffic filtering, capture scope, and protocol evidence

Capture filters limit what packets are recorded; display filters choose which recorded packets are shown.

traffic-filteringnetworking