this post was submitted on 02 Dec 2025
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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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[–] jj4211@lemmy.world 2 points 7 months ago

Frankly, another choice virtually forced by the broader IT.

If the broader IT either provides or brokers a service, we are not allowed to independently spend money and must go through them.

Fine, they will broker commercial certificates, so just do that, right? Well, to renew a certificate, we have to open a ticket and attach our csr as well as a "business justification" and our dept incurs a hundred dollar internal charge for opening that ticket at all. Then they will let it sit for a day or two until one of their techs can get to it. Then we are likely to get feedback about something like their policy changing to forbid EC keys and we must do RSA instead, or vice versa because someone changed their mind. They may email an unexpected manager for confirmation in accordance to some new review process they implemented. Then, eventually, their tech manually renews it with a provider and attaches the certificate to the ticket.

It's pretty much a loophole that we can use let's encrypt because they don't charge and technically the restrictions only come in when purchasing is involved. There was a security guy raising hell that some of our sites used that "insecure" let's encrypt and demanding standards change to explicitly ban them, but the bearaucracy to do that was insurmountable so we continue.