Simple program for testing PACKET_QDISC_BYPASS socket opt.

For now its only testing PACKET_QDISC_BYPASS, the intend were
to also send packets, but never got that far.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
pcap: added some really old pcap tools I once wrote

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Example script for using synproxy iptables module

Setting up iptables target module SYNPROXY is not straight forward.
It requires a number of other rules and proc tuning to work correctly,
thus I feel this script is needed for people to understand synproxy.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>