How to access websites when only a single website if whitelisted by a firewall (Sophos XG)?

Sophos XG firewall pretty much got all categorized blocked including the IP addresses (except a domain and a IP address I guess). I read somewhere that one could wrap the data and maybe encrypt it so the firewall doesn't understand what to do with those packets, which I couldn't figure out how to do. If this is the right method, is there any guide? If yes, please share! or are there any other ways to bypass this firewall. I have tired Cloudflare DNS, but it seems like the DNS has nothing to do with blocked websites.

submitted by /u/elekktronic
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from hacking: security in practice https://ift.tt/3e57MVS

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