Hi,

I have a feature request which I thought I'd discuss here before creating a ticket.

I use Letsencrypt with the DNS01 challenge, so I can get certs for internal DNS names which are not reachable over the Internet.

To avoid making all my zones subject to dynamic updates, I use CNAME records to point to a single dynamic domain.  Say my dynamic update zone is "acme.example.com", but I want to issue a cert for "www.foo.com".  I add a CNAME record like this:

    _acme-challenge.www.foo.com.  CNAME _acme-challenge.www.foo.com.acme.example.com.

Then I configure the nsupdate request to put the TXT record under _acme-challenge.www.foo.com.acme.example.com. instead of _acme-challenge.www.foo.com.  When using dehydrated or acme.sh, that's just a question of configuring the challenge script properly.

This all works nicely, and is pretty standard: e.g.

https://www.crc.id.au/using-centralised-management-with-lets-encrypt/

Unfortunately in the pfSense (2.4.1) GUI, I can't see a way to configure this.

I would like either:

- an extra setting for "dynamic update zone", which is appended to the nsupdate name - an override for the whole name (i.e. can replace _acme-challenge.www.foo.com with an arbitrary nsupdate target)

Does this sound reasonable?

Thanks,

Brian.
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