Richard Stallman had a dream where you control your computing. And XMPP is the closest social network in line with Richard Stallman’s vision of the internet. This instant message protocol, allows for you to easily host your own server, it’s fast and efficient, and has lots of different open source clients to choose from. Additionally, by making it extensible, it allows for anyone to build upon it to get their own desired features. This article goes over some of the basics of XMPP: https://simplifiedprivacy.com/xmpp-decentralized-signal-get-your-own-social-network/
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I’ve heard that some ISPs will enable it if you call them, but usually they’ll ask why you need it. You can just tell them you work remotely and the company VPN is IPv6 only because it’s 2023 and they don’t want to contribute to IPv4 address exhaustion.