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126 lines
2.5 KiB
Plaintext
126 lines
2.5 KiB
Plaintext
; config options
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server:
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module-config: "validator iterator"
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qname-minimisation: "no"
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minimal-responses: no
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serve-expired: yes
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access-control: 127.0.0.1/32 allow_snoop
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ede: yes
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ede-serve-expired: yes
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stub-zone:
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name: "example.com"
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stub-addr: 1.2.3.4
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CONFIG_END
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SCENARIO_BEGIN Test serve-expired
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; Scenario overview:
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; - query for example.com. IN A
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; - check that we get an answer for example.com. IN A with the correct TTL
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; - query again (without the RD bit) right after the TTL expired
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; - check that we get the expired cached answer (this should trigger prefetching)
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; - query with RD bit and check that the cached record was updated
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; ns.example.com.
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RANGE_BEGIN 0 100
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 10 IN A 5.6.7.8
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; Query with RD flag
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STEP 1 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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example.com. IN A
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ENTRY_END
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; Check that we got the correct answer (should be cached)
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STEP 10 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 10 IN A 5.6.7.8
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; Wait for the TTL to expire
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STEP 11 TIME_PASSES ELAPSE 3601
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; Query again without RD bit
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STEP 30 QUERY
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ENTRY_BEGIN
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REPLY DO
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SECTION QUESTION
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example.com. IN A
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ENTRY_END
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; Check that we got a stale answer
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STEP 40 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl ede=3
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REPLY QR RA DO NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 30 IN A 5.6.7.8
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SECTION AUTHORITY
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example.com. 30 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 30 IN A 1.2.3.4
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ENTRY_END
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; Query with RD bit (the record should have been prefetched)
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STEP 50 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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example.com. IN A
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ENTRY_END
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STEP 60 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION ANSWER
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example.com. 10 IN A 5.6.7.8
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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SCENARIO_END
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