acme-dns-server
lego
| acme-dns-server | lego | |
|---|---|---|
| 2 | 55 | |
| 29 | 7,290 | |
| - | 1.2% | |
| 1.8 | 8.9 | |
| almost 2 years ago | 11 days ago | |
| Python | Go | |
| MIT License | MIT License |
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acme-dns-server
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Ask HN: What's your solution for SSL on internal servers?
DNS alias mode:
* https://dan.langille.org/2019/02/01/acme-domain-alias-mode/
* https://github.com/acmesh-official/acme.sh/wiki/DNS-alias-mo...
* https://www.eff.org/deeplinks/2018/02/technical-deep-dive-se...
You want the name "internal.example.com". In your external DNS you create a CNAME from "_acme-challenge.internal.example.com" and point it to (e.g.) "internal.example.net" or "internal.dns-auth.example.com"
When you request the certificate you specify the "dns-01" method. The issuer (e.g., LE) will go to the the external DNS server for the look up, see that it is a CNAME and then follow the CNAME/alias, and do the verification at the final hostname.
So your ACME client has to do a DNS (TXT) record update, which can often be done via various APIs, e.g.:
* https://github.com/AnalogJ/lexicon
You can even run your own DNS server locally (in a DMZ?) if your DNS provider does not have an convenient API. There are servers written for this use case:
* https://github.com/joohoi/acme-dns
* https://github.com/joohoi/acme-dns-certbot-joohoi
* https://github.com/pawitp/acme-dns-server
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Another free CA as an alternative to Let's Encrypt
I already had Bind on the machine so it was logical to add the zone there and utilize nsupdate : https://gist.github.com/kronthto/893715f12cc0b1cda9fcfdbd8dc...
But what you are suggesting should work just fine aswell - there should be no need for a persistent service. Of course the service would need to run on port 53, so you actually cannot have another nameserver on that machine already, and also require CAP_NET_BIND_SERVICE .
A quick search lead me to this python project that could be an inspiration: https://github.com/pawitp/acme-dns-server
lego
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Dehydrated: Letsencrypt/acme client implemented as a shell-script
Self contained but hardly a tiny supply chain attack surface: https://github.com/go-acme/lego/blob/master/go.sum
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Running one’s own root Certificate Authority in 2023
This ACME client looks promising, but I haven’t tried it yet: https://github.com/go-acme/lego
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I am once again asking that "web" and "fullstack" developers...
My favorite method of obtaining certificates is with lets encrypt and LEGO
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Where do you get/setup certificates from for your https/ssl?
Caddy where possible, and acme.sh or lego where not.
- Anyone using WireGuard with a domain name? Any ideas to lower the bills?
- Acme.sh runs arbitrary commands from a remote server
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How do you renew SSL certificates?
Depend on host's capability... - lego - dehydrated - caddy - in case it already works as a web server, it will automatically issue and renew certs
- Automating LE renewals with dns-01?
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LeGo CertHub v0.9.0 with Docker Support
u/gregtwallace maybe in the short term until you write your own, you could provide a hook into one of the many ACME client implementations which do DNS-01 and support the majority of major DNS provider APIs out of the box? That would make your (really great!) project much more widely usable.
- Searching for a solution to get letsencrypt and traefik working for my local nas
What are some alternatives?
acme-dns - Limited DNS server with RESTful HTTP API to handle ACME DNS challenges easily and securely.
letsencrypt - Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.
dehydrated - letsencrypt/acme client implemented as a shell-script – just add water
acme.sh - A pure Unix shell script implementing ACME client protocol
acme-dns-certbot-joohoi - Certbot client hook for acme-dns
acme-tiny - A tiny script to issue and renew TLS certs from Let's Encrypt
autocert - [mirror] Go supplementary cryptography libraries
mkcert - A simple zero-config tool to make locally trusted development certificates with any names you'd like.
acmetool - :lock: acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt)
public-roadmap - Checkly public roadmap. All planned features, updates and tweaks.
ACL - A simple but powerful Access Control List manager