1; config options 2server: 3 access-control: 127.0.0.1 allow_snoop 4 module-config: "validator iterator" 5 qname-minimisation: "no" 6 minimal-responses: no 7 serve-original-ttl: yes 8 cache-max-ttl: 1000 9 cache-min-ttl: 20 10 serve-expired: yes 11 serve-expired-reply-ttl: 123 12 ede: yes 13 ede-serve-expired: yes 14 15stub-zone: 16 name: "example.com" 17 stub-addr: 1.2.3.4 18CONFIG_END 19 20SCENARIO_BEGIN Test serve-original-ttl 21; Scenario overview: 22; - query for example.com. IN A 23; - check that we get an answer for example.com. IN A with the correct TTL 24; - query again after a couple seconds and check that we get the original TTL 25; (next steps are combination with serve-expired) 26; - query again after the TTL expired 27; - check that we get the expired cached answer with the original TTL 28 29; ns.example.com. 30RANGE_BEGIN 0 100 31 ADDRESS 1.2.3.4 32 ENTRY_BEGIN 33 MATCH opcode qtype qname 34 ADJUST copy_id 35 REPLY QR NOERROR 36 SECTION QUESTION 37 example.com. IN NS 38 SECTION ANSWER 39 example.com. IN NS ns.example.com. 40 SECTION ADDITIONAL 41 ns.example.com. IN A 1.2.3.4 42 ENTRY_END 43 44 ENTRY_BEGIN 45 MATCH opcode qtype qname 46 ADJUST copy_id 47 REPLY QR NOERROR 48 SECTION QUESTION 49 example.com. IN A 50 SECTION ANSWER 51 example.com. 10 IN A 5.6.7.8 52 SECTION AUTHORITY 53 example.com. IN NS ns.example.com. 54 SECTION ADDITIONAL 55 ns.example.com. IN A 1.2.3.4 56 ENTRY_END 57RANGE_END 58 59; Query with RD flag 60STEP 1 QUERY 61ENTRY_BEGIN 62 REPLY RD 63 SECTION QUESTION 64 example.com. IN A 65ENTRY_END 66 67; Check that we got the correct answer (should be cached) 68STEP 10 CHECK_ANSWER 69ENTRY_BEGIN 70 MATCH all ttl 71 REPLY QR RD RA NOERROR 72 SECTION QUESTION 73 example.com. IN A 74 SECTION ANSWER 75 example.com. 10 IN A 5.6.7.8 76 SECTION AUTHORITY 77 example.com. IN NS ns.example.com. 78 SECTION ADDITIONAL 79 ns.example.com. IN A 1.2.3.4 80ENTRY_END 81 82; Wait a couple of seconds (< 10) 83STEP 11 TIME_PASSES ELAPSE 5 84 85; Query again 86STEP 20 QUERY 87ENTRY_BEGIN 88 REPLY 89 SECTION QUESTION 90 example.com. IN A 91ENTRY_END 92 93; Check that we got the cached answer with the original TTL 94; (Passively checks that minimum and maximum TTLs are ignored) 95STEP 30 CHECK_ANSWER 96ENTRY_BEGIN 97 MATCH all ttl 98 REPLY QR RA NOERROR 99 SECTION QUESTION 100 example.com. IN A 101 SECTION ANSWER 102 example.com. 10 A 5.6.7.8 103 SECTION AUTHORITY 104 example.com. 3600 NS ns.example.com. 105 SECTION ADDITIONAL 106 ns.example.com. 3600 A 1.2.3.4 107ENTRY_END 108 109; Wait for the TTL to expire 110STEP 31 TIME_PASSES ELAPSE 3601 111 112; Query again 113STEP 40 QUERY 114ENTRY_BEGIN 115 REPLY DO 116 SECTION QUESTION 117 example.com. IN A 118ENTRY_END 119 120; Check that we got a stale answer with the original TTL 121STEP 50 CHECK_ANSWER 122ENTRY_BEGIN 123 MATCH all ttl ede=3 124 REPLY QR RA DO NOERROR 125 SECTION QUESTION 126 example.com. IN A 127 SECTION ANSWER 128 example.com. 10 A 5.6.7.8 129 SECTION AUTHORITY 130 example.com. NS ns.example.com. 131 SECTION ADDITIONAL 132 ns.example.com. A 1.2.3.4 133ENTRY_END 134 135; Give time for the pending query to get answered 136STEP 51 TRAFFIC 137 138SCENARIO_END 139