I see these articles a lot, and always wonder why people go it alone. Can anyone link to a discussion about a distributed community run firewall? Does such a thing exist? If so, please comment.
I don't know exaxtly what you mean by a distributed community run firewall but https://crowdsec.net/ collects information (anonymously) on the attacks users see and shares it with all other users after vetting them. So in this way the community helps itself (or each other, if you will). Currently around 800k signals are collected daily and around 19k ips are shared back to users as blocklists.
See for example: https://www.nixtree.com/blog/csf-cluster-setup-for-hosting-c...