Is it possible to have Caddy listen on a port temporarily only while doing the ACME challenge? Scenario: private HTTPS server on LAN that needs a valid TLS certificate. Nothing outside the private LAN needs to connect to it except for the ACME servers when the cert needs to be renewed. My idea is t…

It’s supported, but needs to be written. Either you’ll write a script and glue together a bunch of pieces or you’ll write a little bit of Go code that benefits everyone and works natively for your solution. :man_shrugging: I would recommend and request the latter :wink:

Temporarily listen on port while doing ACME challenge

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francislavoie (Francis Lavoie) October 31, 2021, 1:23pm 4

It’s up to the community to write a libdns plugin for it.