VPN-over-DNS

Open-source tunneling software over DNS:

More than 20000 lines of Java, Adobe Flex action scripts and Perl scripts.

See http://vpnoverdns.com

Avi Prasad ([email protected]) and Eunsoo Roh ([email protected]) made an open source software to reassembly VPN-over-DNS protocol packets: https://github.com/toukoaozaki/vpnoverdns-reassembler