Explain DNS Tunneling and how it works

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Explain DNS Tunneling and how it works

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DNS tunneling is a technique used to bypass network restrictions by encoding data in DNS queries and responses. It works by encapsulating data inside DNS queries and responses, which are then sent over the network. The DNS server then decodes the data and sends it to the intended recipient. This technique can be used to bypass firewalls and other network restrictions, as DNS requests are usually allowed by most networks.