icmptx
ICMPTX is a program that allows a user with root privledges to create a virtual network link between two computers, encapsulating data inside of ICMP packets.
DNScapy
DNScapy is a DNS tunneling tool. The code is very light and written in Python. It includes a server and a client. The server c ...
SlowDNS
Connect to a VPN over DNS.
Iodine
iodine is a free (ISC licensed) tunnel application to forward IPv4 traffic through DNS servers (IP over DNS). Works on Linux, ...