assertTrue(auth.matches("ftp://hostname/test/aaa.html"));

        // Test with different server
        auth.setServer("otherhost");
        assertFalse(auth.matches("ftp://hostname:21/test/aaa.html"));
        assertTrue(auth.matches("ftp://otherhost:21/test/aaa.html"));

        // Test with IP address
        auth.setServer("192.168.1.1");