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Decreasing Certificate Lifetimes to 45 Days (letsencrypt.org)

submitted 7 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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[–] stratself@lemdro.id 6 points 7 months ago (1 children)

Technically something like DANE can allow you to present DNSSEC-backed self-signed certs and even allow multi-domain matching that removes the need for SNI and Encrypted Client Hello... but until the browsers say it is supported, it's not

[–] RheumatoidArthritis@mander.xyz 2 points 7 months ago

At some point there was a browser extension to support DANE (and Perspectives and similar approaches against centralization) but since then, browser vendors fixed that security flaw.