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Decreasing Certificate Lifetimes to 45 Days (letsencrypt.org)

submitted 6 months ago by artiman@piefed.social to c/selfhosted@lemmy.world

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Let’s Encrypt will be reducing the validity period of the certificates we issue. We currently issue certificates valid for 90 days, which will be cut in half to 45 days by 2028.
This change is being made along with the rest of the industry, as required by the CA/Browser Forum Baseline Requirements, which set the technical requirements that we must follow. All publicly-trusted Certificate Authorities like Let’s Encrypt will be making similar changes. Reducing how long certificates are valid for helps improve the security of the internet, by limiting the scope of compromise, and making certificate revocation technologies more efficient.

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[–] Valmond@lemmy.world 1 points 6 months ago (3 children)

But you have to manually accept this dangerous cert in the browser right?

Very interesting actually, do you have any experience about it or other pointers? I might just set one up myself for my tenfingers sharing protocol...

[+] Unforeseen@sh.itjust.works 16 points 6 months ago* (last edited 5 months ago) (1 children)

[deleted]

[–] Valmond@lemmy.world 3 points 6 months ago (1 children)

Thank you!

Is there some simple soft that let you make those certs, like with a root cert and then "derived" certs? On linux :-) ?

I guess people have to re-trust every now and then because certs get old, or do they trust the (public partof the) root cert and the daughter certs derived from root are churned out regularly for the sites?

[–] IsoKiero@sopuli.xyz 4 points 6 months ago (1 children)

It's pretty simple to set up. Generate CA, keep key and other private stuff stored securely, distribute public part of CA to whoever you want and sign all the things you wish with your very own CA. There's loads of howtos and tools around to accomplish that. The tricky part is that manual work is needed to add that CA to every device you want to trust your certificates.

[–] Valmond@lemmy.world 1 points 6 months ago

Thank you! This is actually precisely what I need, you IT guys are the best!

[–] helios@social.ggbox.fr 2 points 6 months ago

No that's the point. If you import the CA certificate on your browser, any website that uses a cert that was signed by that CA will be trusted and accessible without warning.