How to restrict traffic through firewall, on a single cube, only to few particular sites?

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Restricting a qube to selected websites

A common requirement seems to be the ability to restrict a qube’s access to a certain subset of websites; something that is difficult to achieve using the firewall rules due to multi-hosted websites/CDN’s etc. The following is a description of one way to setup a qube with restricted website access using only software that is already installed in Qubes OS. Create a qube based on template:fedora-32 or fedora-33, lets call it my-proxy. Set its networking to sys-firewall. [Screenshot_2021-03-12_1…