'Nothing strange, just do a GET request to the url and save the server headers
to the kb. A smarter way to check the server type is with the hmap plugin.
:param fuzzable_request: A fuzzable_request instance that contains
(among other things) the URL to test.'

def discover(self, fuzzable_request):

    if self._server_header:
        self._server_header = False
        self._check_server_header(fuzzable_request)
    if self._x_powered:
        self._check_x_power(fuzzable_request)
