{'wsgi.input': <uwsgi._Input object at 0x7f1b37ae3228>, 'wsgi.multithread': False, 'uwsgi.node': b'fbctf', 'HTTP_CACHE_CONTROL': 'max-age=0', 'uwsgi.version': b'2.0.12-debian', 'HTTP_ACCEPT_LANGUAGE': 'en-US,en;q=0.5', 'HTTP_ACCEPT': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'HTTP_CONNECTION': 'keep-alive', 'HTTP_UPGRADE_INSECURE_REQUESTS': '1', 'wsgi.version': (1, 0), 'wsgi.run_once': False, 'wsgi.multiprocess': False, 'HTTP_HOST': 'challenge.saarland', 'HTTP_USER_AGENT': 'Mozilla/5.0 (X11; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0', 'wsgi.errors': <_io.TextIOWrapper name=2 mode='w' encoding='UTF-8'>, 'HTTP_ACCEPT_ENCODING': 'gzip, deflate, br', 'wsgi.url_scheme': 'http', 'HTTP_DNT': '1', 'wsgi.file_wrapper': <built-in function uwsgi_sendfile>}