DNS Challenge for renewal when using cloudflare tunnel

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1

Hello,

is there something special that needs to be done when using cloudflares argo tunnel?
My reverse proxy is traefik and it sees that renewals must be done.
But now I get
Could not find solver for: tls-alpn-01
Is DNS challenge generally possible when using the tunnel?
I also temporarily reopened ports 80 and 443, but this makes no difference.

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2

Hi @juxeii, and welcome to the LE community forum :slight_smile:

DNS challenge only needs access to your authoritative DNS servers [usually public - not likely behind a VPN].

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