Monday, March 2, 2020

Blocking Internet Connection if it hasn't resolved a dns query

I am an IT Specialist and until now I've been monitoring dns queries made to my local server to prohibit non work related websites and prohibiting the use of other dns services.

During a discussion with a much more senior specialist he gave the point that a tech savvy user could access the internet without using dns at all and advised me to not allow the users to connect to the internet if they don't use dns.

The problem is I've been researching all weekend and haven't found anything. I'd appreciate even a high level description of how to make it work.

EDIT: not ALL non-work-related websites, just notorious time killers like facebook, instagram, youtube etc.



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