by Erik Ekman, Bjorn Andersson
Platforms: FreeBSD, Linux, MacOS, NetBSD, OpenBSD
Categories: Covert Channels, Network Utilities, Tunneling
Version: 0.4.2
iodine lets you tunnel IPv4 data through a DNS server. This can be usable in different situations where Internet access is firewalled, but DNS queries are allowed.

It needs a TUN/TAP device and one server can handle 8 simultaneous users. The bandwidth is asymmetrical with limited upstream and up to 1 Mbps downstream.

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