Subtrack

Raw Sockets

Send and receive network packets without the OS doing anything for you. Craft raw ICMP, UDP, and ARP packets, capture traffic in promiscuous mode, and build a traceroute.

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~270 Minutes 6 Challenges

raw sockets programming tutorial

About this subtrack

Raw Sockets builds ping, ARP, and traceroute-shaped tools without a high-level framework.

Raw Sockets

About this subtrack

Tasks (6)

Send a Raw ICMP Echo Request (Ping)

Craft a Custom UDP Packet from Scratch

Implement an ARP Request using Raw Sockets

Capture All Traffic in Promiscuous Mode

Implement a Simple Packet Filter in C

Write a Minimal Traceroute Using Raw Sockets