-def check_backend(sdc_be_proxy=None, reply_append_count=1, be_host=None, be_port=None, header=None, scheme=None, debug=False):
+def check_backend(sdc_be_proxy=None, reply_append_count=1, be_host=None, be_port=None, header=None, scheme=None, debug=False, ca_cert=None, tls_cert=None, tls_key=None, tls_key_pw=None):