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Let’s Encrypt Begins Supporting IP Address Certificates (linuxiac.com)

submitted 2 days ago by [email protected] to c/[email protected]

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Who benefits from this? Even though Let’s Encrypt stresses that most site operators will do fine sticking with ordinary domain certificates, there are still scenarios where a numeric identifier is the only practical choice:

Infrastructure services such as DNS-over-HTTPS (DoH) – where clients may pin a literal IP address for performance or censorship-evasion reasons.
IoT and home-lab devices – think network-attached storage boxes, for example, living behind static WAN addresses.
Ephemeral cloud workloads – short-lived back-end servers that spin up with public IPs faster than DNS records can propagate.

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[-] [email protected] 121 points 2 days ago

Can I get a cert for 127.0.0.1 ? /s

[-] [email protected] 45 points 2 days ago

The down votes are from people who work in IT support that have to deal with idiots that play with things they dont understand.

[-] [email protected] 20 points 2 days ago

It’s unfortunate they don’t know what /s means

[-] [email protected] 4 points 2 days ago

It obviously means "secure"

[-] [email protected] 3 points 2 days ago

We do, it's just that those users will also often go "nah, I'm just joking!" then do some shit anyways.

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this post was submitted on 06 Jul 2025

476 points (99.2% liked)

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