this post was submitted on 06 Jul 2025
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Let’s Encrypt Begins Supporting IP Address Certificates (linuxiac.com)
submitted 1 day ago by KarnaSubarna@lemmy.ml to c/selfhosted@lemmy.world
51 comments fedilink hide all child comments
 

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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[–] howrar@lemmy.ca 90 points 23 hours ago (2 children)

How many bits is a /s mask?

[–] lando55@lemmy.world 18 points 19 hours ago (1 children)

i

[–] Cyber@feddit.uk 3 points 6 hours ago

Is that the same i as the squareroot of -1?