Introduction to libnet
Designed by Mike Schiffman, libnet is a portable, open source, C-language library for creating and injecting network packets. libnet supports packet creation at all network levels with the TCP/IP network model, as demonstrated in Figure 11-1.
Figure 11-1. TCP/IP model and example of supported protocols
As of libnet version 1.1.2.1, you can create packets for the following protocols:
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In addition, you can create other protocols within libnet due to its absolute control over packet data content.
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