Hi, I was looking at private CAs since I don’t want to pay for a domain to use in my homelab.
What is everyone using for their private CA? I’ve been looking at plain OpenSSL with some automation scripts but would like more ideas. Also, if you have multiple reverse-proxy instances, how do you distribute domain-specific signed certificates to them? I’m not planning to use a wildcard, and would like to rotate certificates often.
Thanks!
Edit: thank you for everyone who commented! I would like to say that I recognise the technical difficulty in getting such a setup working compared to a simple certbot setup to Let’s Encrypt, but it’s a personal choice that I have made.
Oh, that’s a great idea! Indeed, using certificates to identify yourself would work quite well in such a scenario. Whilst I would always use a VPN server, this has given me something new to think about! Thanks!
What’s nice is it provides a similar level of protection to using a VPN with PKI, but just for that specific subdomain. While a VPN would be have to be connected manually before use (or all the time), this is built-in.
The odds of someone breaking through the mTLS and breaking through that application’s security at the same time are much smaller than either separately.
If you don’t have a valid cert, you’re dropped by the reverse proxy before anything even gets passed to the server behind it.
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Oh, that’s a great idea! Indeed, using certificates to identify yourself would work quite well in such a scenario. Whilst I would always use a VPN server, this has given me something new to think about! Thanks!
What’s nice is it provides a similar level of protection to using a VPN with PKI, but just for that specific subdomain. While a VPN would be have to be connected manually before use (or all the time), this is built-in.
The odds of someone breaking through the mTLS and breaking through that application’s security at the same time are much smaller than either separately.
If you don’t have a valid cert, you’re dropped by the reverse proxy before anything even gets passed to the server behind it.
I’m a big fan of it.
I’ll take a look, thanks!