smallstep / certificates

🛡️ A private certificate authority (X.509 & SSH) & ACME server for secure automated certificate management, so you can use TLS everywhere & SSO for SSH.
https://smallstep.com/certificates
Apache License 2.0
6.38k stars 417 forks source link

Do strict DNS lookup on ACME #1910

Closed maraino closed 1 week ago

maraino commented 1 week ago

This commit changes the ACME challenges to perform a strict DNS lookup without taking into account the search list in a resolv.conf