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Kalcifer @sh.itjust.works
SOLVED

Nextcloud Snap behind Caddy is responding with 301 Moved Permanently

Cross-posted to: https://sh.itjust.works/post/14975166

Solution

I'm still not really sure exactly what the root cause of the issue was (I would appreciate it if someone could explain it to me), but I disabled HTTPS on the Nextcloud server

 
    
nextcloud.disable-https

and, all of a sudden, it started working. My Caddyfile simply contains the following:

 
    
nextcloud.domain.com {
    server-LAN-ip:80
}

Original Post

I am trying to upgrade my existing Nextcloud server (installed as a Snap) so that it is sitting behind a reverse proxy. Originally, The Nextcloud server handled HTTPS with Let's Encrypt at domain.com; now, I would like for Caddy to handle HTTPS with Let's Encrypt at nextcloud.domain.com and to forward the traffic to the Nextcloud server.

With my current setup, I am encountering an error where it is saying 301 Moved Permanently. Does anyone have any ideas on how to fix or troubleshoot this?

Caddyfile:

 
    
https://nextcloud.domain.com {
        reverse_proxy 192.168.1.182:443
        header / Strict-Transport-Security max-age=31536000;
}

And here is the output of curl -v https://nextcloud.domain.com/:

 
    
* Host nextcloud.domain.com:443 was resolved.
* IPv6: (none)
* IPv4: public-ip
*   Trying public-ip:443...
* Connected to nextcloud.domain.com (public-ip) port 443
* ALPN: curl offers h2,http/1.1
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
*  CAfile: /etc/ssl/certs/ca-certificates.crt
*  CApath: none
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_CHACHA20_POLY1305_SHA256 / x25519 / id-ecPublicKey
* ALPN: server accepted h2
* Server certificate:
*  subject: CN=nextcloud.domain.com
*  start date: Feb 21 06:09:01 2024 GMT
*  expire date: May 21 06:09:00 2024 GMT
*  subjectAltName: host "nextcloud.domain.com" matched cert's "nextcloud.domain.com"
*  issuer: C=US; O=Let's Encrypt; CN=R3
*  SSL certificate verify ok.
*   Certificate level 0: Public key type EC/prime256v1 (256/128 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 1: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha256WithRSAEncryption
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* using HTTP/2
* [HTTP/2] [1] OPENED stream for https://nextcloud.domain.com/
* [HTTP/2] [1] [:method: GET]
* [HTTP/2] [1] [:scheme: https]
* [HTTP/2] [1] [:authority: nextcloud.domain.com]
* [HTTP/2] [1] [:path: /]
* [HTTP/2] [1] [user-agent: curl/8.6.0]
* [HTTP/2] [1] [accept: */*]
> GET / HTTP/2
> Host: nextcloud.domain.com
> User-Agent: curl/8.6.0
> Accept: */*
> 
< HTTP/2 301 
< alt-svc: h3="public-ip:443"; ma=2592000
< content-type: text/html; charset=iso-8859-1
< date: Wed, 21 Feb 2024 07:45:34 GMT
< location: https://nextcloud.domain.com:443/
< server: Caddy
< server: Apache
< strict-transport-security: max-age=31536000;
< content-length: 250
< 


301 Moved Permanently

<h1>Moved Permanently</h1>
<p>The document has moved here.</p>

* Connection #0 to host nextcloud.domain.com left intact
10 comments
10 comments