What is the use of the DNS tunneling tool dns2tcp

Editor to share with you what is the use of DNS tunneling tool dns2tcp, I hope you will gain something after reading this article, let's discuss it together!

DNS tunneling tool dns2tcp

In many network environments, firewalls restrict outbound traffic, and hosts often can only access a limited number of ports of external hosts, such as port 53 of DNS. At this point, a communication tunnel can be established through the DNS request and response mechanism. Kali Linux provides dns2tcp is a DNS tunneling tool. The tool has its own DNS parsing function and implements both the server side and the client side. As long as you have control of a domain name, you can run dns2tcp on the public network to build a server, and then run dns2tcp on a restricted host to build a client. In this way, users can establish a tunnel in the client to connect to the dns2tcp server through SSH, SMTP, POP3, SSH2 and other tools.

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