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sniffer

Example code from my Develop a Packet Sniffer with libpcap blog.

Build

  1. cd to the 'sniffer' directory.
  2. Type 'make'.

Run

Run by specifying an interface and a Berkeley packet filter expression. For example this statement will capture all the inbound and outbound TCP packets port 80 packets on interface eth0:

./sniffer -i eth0 tcp port 80