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Create your own Certificate Authority (CA) using OpenSSL

Who isn’t tired of certificate errors at internal devices that serve a WebUI but don’t have a trusted certificate? Let’s encrypt is probably not the best alternative as there is no public access to...

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Configure dynamic DNS in OPNsense with Cloudflare

OPNsense is a great open source firewall with lots of plugins and support for wireguard, dynamic DNS and many other. Few months ago, OPNsense decided to switch from dyndns (os-dyndns) to DDclient...

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