Which tools linux has to maintain your privacy in Internet.

Ubuntu has opened 631 port. I would like to investigate and close the port.

Our dumb govt blocks internet access for citizens.

I want to create my personal DNS server on my local machine. Because my country is a joke and I often have problems with access to international DNS servers like 1.1.1.1 etc.

Here I will enlist strategies and techniques for some DPI fooling tools.