1#!/usr/bin/python3 2 3# Copyright (C) Internet Systems Consortium, Inc. ("ISC") 4# 5# SPDX-License-Identifier: MPL-2.0 6# 7# This Source Code Form is subject to the terms of the Mozilla Public 8# License, v. 2.0. If a copy of the MPL was not distributed with this 9# file, you can obtain one at https://mozilla.org/MPL/2.0/. 10# 11# See the COPYRIGHT file distributed with this work for additional 12# information regarding copyright ownership. 13 14import pytest 15 16pytest.importorskip("dns") 17import dns.message 18import dns.query 19import dns.rcode 20 21 22def test_connreset(named_port): 23 msg = dns.message.make_query( 24 "sub.example.", "A", want_dnssec=True, use_edns=0, payload=1232 25 ) 26 ans = dns.query.udp(msg, "10.53.0.2", timeout=10, port=named_port) 27 assert ans.rcode() == dns.rcode.SERVFAIL 28