Nginx 導入に伴う Nextcloud の警告

server {

    server_name nextcloud.mydns.jp;

    # 追加
    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;";

    proxy_set_header    Host    $host;
    ～～～（省略）

server {

    server_name nextcloud.mydns.jp;

    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;";

    proxy_set_header    Host    $host;
    proxy_set_header    X-Real-IP    $remote_addr;
    proxy_set_header    X-Forwarded-Host       $host;
    proxy_set_header    X-Forwarded-Server    $host;
    proxy_set_header    X-Forwarded-For    $proxy_add_x_forwarded_for;

    location / {
        proxy_pass    http://192.168.1.6;
    }

    #　以下を追加する
    location = /.well-known/carddav {
        return 301 $scheme://$host/remote.php/dav;
    }

    location = /.well-known/caldav {
       return 301 $scheme://$host/remote.php/dav;
    }

    ～～～省略