I have a small server running Ubuntu 16.04.  It is successfully serving webpages over https.I want to set up webdav over https on Apache as well.  I had trouble finding a tutorial that explicitly set that up and ended up using info from a couple different ones, so it's quite possible that I've done something contradictory at some point, but I have no idea what it is.default-ssl-conf looks like this, with all the template comments removed.  I haven't changed any of the settings before the Alias command except to add the DavLockDB directive.DavLockDB /var/www/DavLock/davLock<IfModule mod_ssl.c>    <VirtualHost _default_:443>            ServerAdmin me@me            DocumentRoot /var/www/html            ErrorLog ${APACHE_LOG_DIR}/error.log            CustomLog ${APACHE_LOG_DIR}/access.log combined            SSLEngine on            SSLCertificateFile      /etc/ssl/certs/ssl-cert-snakeoil.pem            SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key            <FilesMatch \.(cgi|shtml|phtml|php)$>                            SSLOptions +StdEnvVars            </FilesMatch>            <Directory /usr/lib/cgi-bin>                            SSLOptions +StdEnvVars            </Directory>            # My Webdav config starts here            Alias /webdav /var/www/webdav            <Directory /var/www/webdav>                DAV on                DirectoryIndex disabled                AuthType Digest                AuthName webdav                AuthUserFile /etc/apache2/users.password                Require valid-user            </Directory>    </VirtualHost>Connecting via cadaver, to either localhost or the fully qualified name, gets the same response:jbhelfrich@arm:/etc/apache2/sites-available$ cadaver https://localhost/webdavCould not access /webdav/ (not WebDAV-enabled?):405 Method Not AllowedConnection to `localhost' closed.I've tried it without /webdav as well, and get the same basic response./var/www/DavLock and /var/www/webdav are both owned by www-data/var/logs/apache2/access.log shows::1 - - [10/Aug/2016:20:07:44 +0000] OPTIONS / HTTP/1.1 200 229 - cadaver/0.23.3 neon/0.30.1::1 - - [10/Aug/2016:20:07:44 +0000] PROPFIND / HTTP/1.1 405 501 - cadaver/0.23.3 neon/0.30.1error.log shows nothing relevant, and other_vhosts_access.log is empty.alias, dav_fs, dav, and dav_lock modules are all enabled.Anyone see what I'm missing?
Webdav won't connect: 405 Method Not Allowed
apache httpd;webdav
The problem was that the Lets Encrypt configuration process had created a site specific ssl config that I hadn't noticed.  Copied the above code into that file and everything worked fine.