DNS Internals

Networking

Record types, resolution flow, zone transfers, DNS attacks.

#DNS#Recon

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TCP/IP Stack

OSI vs TCP/IP, handshakes, flags, MTU and fragmentation.

Packet Analysis

Wireshark and tcpdump filters, protocol dissection.

VLANs & Routing

Segmentation, trunking, ACLs, routing fundamentals.

Network Scanning

Discovery, port states, service and OS fingerprinting.

DNS Internals — VIPERSEC