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6-Day and IP Address Certificates Are Generally Available

letsencrypt.org

251–260 of 290 posts

Re: 6-Day and IP Address Certificates Are Generally Available

#251
post #170

Earlier quoted context omitted.

It's almost like the threat models for CA and leaf certs are different.

Yes, foot certs are much more sensitive than leaf certs.

Which is why root certs are stored in HSMs, there’s a well defined total set of them, and if the owner violates any of the rules around handling of them, the CAB can put them out of business.

Re: 6-Day and IP Address Certificates Are Generally Available

#252
post #147

Earlier quoted context omitted.

Which wider world? These changes are coming from the CAB forum, which includes basically every entity that ships a popular web browser and every entity that ships certificates trusted in those browsers. There are use cases for certificates that exist outside of that umbrella, but they are by definition niche.

You're kidding, right? You've never seen a server completely inaccessible just because the owner had trouble renewing the cert? A lot of websites went down this way. And they served static content. Shortening that windows is just asking for trouble.

> You're kidding, right? You've never seen a server completely inaccessible just because the owner had trouble renewing the cert?

I am not kidding, but also the rest of your comment isn’t at all related to what I said.

Re: 6-Day and IP Address Certificates Are Generally Available

#253
post #47

IP addresses must be accessible from the internet, so still no way to support TLS for LAN devices without manual setup or angering security researchers.

What do you mean by 'LAN', everything should be routable globally with IPv6 decade ago anyway /s

Re: 6-Day and IP Address Certificates Are Generally Available

#254
post #60

Has anyone actually given a good explanation as to why TLS Client Auth is being removed?

Because using a public key infrastructure for client certificate is terrible

mTLS is probably the only sane situation where private key infrastructure shall be used

Re: 6-Day and IP Address Certificates Are Generally Available

#255
post #148
post #129

Earlier quoted context omitted.

² By the seventh day God had finished the work He had been doing; so on the seventh day He rested from all His work. ³ Then the on-call tech, Lucifer, the Son of Dawn, was awoken at midnight because God did not renew the heavens' and the earths' HTTPS certificate. ⁴ Thusly Lucifer drafted his resignation in a great fury.

Is this the TLS version of the Bible?

I misread that as the LTS version of the bible

Re: 6-Day and IP Address Certificates Are Generally Available

#256

Earlier quoted context omitted.

Because it allows to you to work for six days, and rest on the seventh. Like God did.

I don't think He worked after the 6th day. Went on doing other pet projects

6 days to write a prompt. One day to unleash the agents in yolo mode

Re: 6-Day and IP Address Certificates Are Generally Available

#257
post #3

As already noted on this thread, you can't use certbot today to get an IP address certificate. You can use lego [1], but figuring out the exact command line took me some effort yesterday. Here's what worked for me: lego --domains 206.189.27.68 --accept-tos --http --disable-cn run --profile shortlived [1] https://go-acme.github.io/lego/

Work for this in Certbot is ongoing here, with some initial work already merged, but much to go. https://github.com/certbot/certbot/issues/10346

https://github.com/certbot/certbot/pull/10370 showed that a proof of concept is viable with relatively few changes, though it was vibe coded and abandoned (but at least the submitter did so in good faith and collaboratively) :/ Change management and backwards compatibility seem to be the main considerations at the moment.

Re: 6-Day and IP Address Certificates Are Generally Available

#258

Earlier quoted context omitted.

Lets Encrypt do not control the US president. You could argue that The Don in charge of the US is in control of letsencrypt

Yeah, it's a bit far fetched but after Cloudflare CEO basically threatening to cut off Italy I was wondering what would happen if US really invades Greenland. A simple windows to linux migration is not enough. If certificates expire without a way to refresh you'd either need to manually touch every machine to swap root certificates or have some of other contingency plan.

[deleted]

Re: 6-Day and IP Address Certificates Are Generally Available

#259
post #3

As already noted on this thread, you can't use certbot today to get an IP address certificate. You can use lego [1], but figuring out the exact command line took me some effort yesterday. Here's what worked for me: lego --domains 206.189.27.68 --accept-tos --http --disable-cn run --profile shortlived [1] https://go-acme.github.io/lego/

Thank you for posting the lego command!

It allowed me to quickly obtain a couple of IP certificates to test with. I updated my simple TLS certificate checker (https://certcheck.sh) to support checking IP certificates (IPv4 only for now).

Re: 6-Day and IP Address Certificates Are Generally Available

#260
post #236

What is a good use case for an IP address certificate for the average company? Say, e-commerce or SaaS-startup?

The Internet is for End Users https://datatracker.ietf.org/doc/html/rfc8890

>Successful specifications will provide some benefit to all the relevant parties because standards do not represent a zero-sum game. However, there are sometimes situations where there is a conflict between the needs of two (or more) parties.

>In these situations, when one of those parties is an "end user" of the Internet -- for example, a person using a web browser, mail client, or another agent that connects to the Internet -- the Internet Architecture Board argues that the IETF should favor their interests over those of other parties.

Incorporated entities are just secondary users.

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