DNS Tunneling
DNS tunneling is a common technique used to bypass proxy, IPS, and firewall filters.
This technique has limitations and is relatively slow due to the limited amount
of data we can transfer in a single DNS packet.
However, as DNS requests are typically allowed from even the most restrictive
environments, DNS tunneling is an excellent technique we can use
to reach the outside world.
In the next section, we’ll discuss how this technique works,
and then perform DN tunneling with dnscat2.