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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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[–] atzanteol@sh.itjust.works 9 points 6 months ago (1 children)

It's being deiven by the browsers. Shorter certs mean less time for a compromised certificate to be causing trouble.

https://cabforum.org/working-groups/server/baseline-requirements/requirements/

[–] helix@feddit.org 1 points 6 months ago (3 children)

most trouble is probably caused in the first few days. Doesn't matter if it's 45 or 90 days, it would have to be a few hours to be meaningfully short. Given that automating things like this is annoying sometimes, you'll be sure people will max out the 45 days…

I'm pretty sure it's the SSL seller lobby just wanting more money, tbh. Selling snake oil security.

[–] Passerby6497@lemmy.world 1 points 6 months ago* (last edited 6 months ago) (1 children)

Given that automating things like this is annoying sometimes, you'll be sure people will max out the 45 days…

I know from professional experience that this is a stupid as fuck idea that leads to outages. One of the many reasons I'm working to automate those annoying ones.

Also, don't let perfect be the enemy of better.

[–] helix@feddit.org 0 points 6 months ago

I'm not a capitalist, I don't care about outages. I can live with Facebook being down for a few days, or my bank not accepting transfers for a day or so. Then again, I grew up with the internet in the 90s and prioritise good software and tools over availability, I guess?

Obviously at my job I have to do what my employer thinks. But if nobody cared I'd definitely do our Gitlab upgrades once a week once they're out and not in some weird "maintenance window" mandated by SLAs and stakeholders.

[–] mbirth@lemmy.ml 1 points 6 months ago (1 children)

I'm pretty sure it's the SSL seller lobby just wanting more money, tbh. Selling snake oil security.

And selling “certificate automation” tools.

[–] synae@lemmy.dbzer0.com 1 points 6 months ago (1 children)

it's free

[–] mbirth@lemmy.ml 1 points 6 months ago

Let’s Encrypt is. But tools to keep 100s of certificates up to date sometimes are not.

[–] False@lemmy.world 0 points 6 months ago

Yeah you can still do a lot of damage in a few hours, but 45 days is a meaningful reduction in exposure time from year+