Tunneling over UDP using tun/tap

http://www.secdev.org/projects/tuntap_udp/files/tunproxy.py
http://www.secdev.org/projects/tuntap_udp/files/tunproxy.c

from http://www.secdev.org/projects/tuntap_udp/
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https://raw.githubusercontent.com/luckypoem/icmpsocks/master/tunproxy.py