: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}
    }
}