'Get the server version from the HTML:
<dl><dt>Server Version: Apache/2.2.9 (Unix)</dt>'

def _extract_server_version(self, fuzzable_request, response):

    for version in re.findall('<dl><dt>Server    Version:    (.*?)</dt>', response.get_body()):
        desc = 'The    web    server    has    the    apache    server    status    module    enabled    which    discloses    the    following    remote    server    version:    "%s".'
        desc %= version
        i = Info('Apache    Server    version', desc, response.id, self.get_name())
        i.set_url(response.get_url())
        om.out.information(i.get_desc())
        kb.kb.append(self, 'server', i)
