:80 { # Rewrites destination to remove host and include only the path e.g. /test.txt @hasDest header_regexp dest Destination ^https?://[^/]+(.*)$ request_header @hasDest Destination {re.dest.1} reverse_proxy booxdav:6065 { header_up X-Real-IP {remote_host} header_up REMOTE-HOST {remote_host} } }