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LetsEncrypt and WAF on Real Server

Pedulla

UTM 9.705-7

No problem getting & renewing a LE cert in UTM's Certificate Management.  Works great, lasts a long time ;)

Having a problem renewing my LE cert on the real web server behind WAF.

The virt profile for my real server is configured - Type: Encrypted (HTTPS) & redirect.

My LE log shows that when it does the http portion of the challenge 

"url": "http://mydomain.com/.well-known/acme-challenge/XcPCjsRjZk__ATxYfZ_a24Yt-VFKey30cRS2recVpsL1GP2iTg"
it fails with an invalid response.

My workaround is to enable a NAT rule on port 80 to my real server and then manually run the certbot renew on my real server.

For what it matters, my real server is a LEMP stack.

Is "Encrypted (HTTPS) & redirect" incompatible with LE renewals?  (aka anyone else having this issue?)

Do I need to setup a separate profile for http to my real server?

Is this covered somewhere and I just don't know the right search terms?

My goal is to have my real server auto renew on it's own fully behind WAF.



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  • +1

    I think the HTTP to HTTPS redirect is performed before sitepath routing is able to send the packets to the other server.

    As i know, LE don't work using https. It allways need HTTP to the acme- script.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

  • 0 in reply to dirkkotte

    Makes sense.  So what's the right way to configure WAF so auto renewal can occur unattended?

    2 profiles (443 & 80)

  • 0 in reply to Pedulla

    Split Port 80 and 443 may make things easier.

    Don't know if it is possible to redirect a special path "/le-script-path/" using "Site Path Routing" to your server and redirect all other to Port 443...


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

Reply
  • 0 in reply to Pedulla

    Split Port 80 and 443 may make things easier.

    Don't know if it is possible to redirect a special path "/le-script-path/" using "Site Path Routing" to your server and redirect all other to Port 443...


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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