25fbc19b64
that would be permissible by the RFCs but it is not the TTL in the cache. git-svn-id: https://unbound.nlnetlabs.nl/svn/trunk@2581 be551aaa-1e26-0410-a405-d3ace91eadb9
119 lines
2.4 KiB
Plaintext
119 lines
2.4 KiB
Plaintext
; This is a comment.
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; config options go here.
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forward-zone: name: "." forward-addr: 216.0.0.1
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CONFIG_END
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SCENARIO_BEGIN RRset TTL is not greedily updated from message.
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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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www.example.com. IN A
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ENTRY_END
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; the query is sent to the forwarder - no cache yet.
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STEP 2 CHECK_OUT_QUERY
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ENTRY_BEGIN
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MATCH qname qtype opcode
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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STEP 3 REPLY
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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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; authoritative answer
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REPLY QR AA RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 100 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 10.20.30.50
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ENTRY_END
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STEP 4 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 100 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 10.20.30.50
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ENTRY_END
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; another query passes along
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STEP 6 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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bla.example.com. IN A
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ENTRY_END
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STEP 7 CHECK_OUT_QUERY
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ENTRY_BEGIN
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MATCH qname qtype opcode
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SECTION QUESTION
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bla.example.com. IN A
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ENTRY_END
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STEP 8 REPLY
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; This answer has a fresh TTL
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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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; authoritative answer
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REPLY QR AA RD RA NOERROR
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SECTION QUESTION
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bla.example.com. IN A
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SECTION ANSWER
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bla.example.com. IN A 10.20.30.140
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SECTION AUTHORITY
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example.com. 200 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 10.20.30.50
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ENTRY_END
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STEP 9 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA
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SECTION QUESTION
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bla.example.com. IN A
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SECTION ANSWER
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bla.example.com. IN A 10.20.30.140
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SECTION AUTHORITY
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example.com. 100 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 10.20.30.50
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ENTRY_END
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; original www.example.com query
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STEP 10 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; immediate answer without an OUT_QUERY happening (checked on exit)
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; also, the answer does not have AA set
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; NS rrset has not been updated. No greedy TTL has happened.
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STEP 11 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 100 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 10.20.30.50
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ENTRY_END
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SCENARIO_END
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