mirror of
https://github.com/NLnetLabs/unbound.git
synced 2024-09-21 14:47:09 +00:00
6dd2c0467e
that would be permissible by the RFCs but it is not the TTL in the cache. git-svn-id: file:///svn/unbound/trunk@2581 be551aaa-1e26-0410-a405-d3ace91eadb9
119 lines
2.4 KiB
Plaintext
119 lines
2.4 KiB
Plaintext
; This is a comment.
|
|
; config options go here.
|
|
forward-zone: name: "." forward-addr: 216.0.0.1
|
|
CONFIG_END
|
|
|
|
SCENARIO_BEGIN RRset TTL is not greedily updated from message.
|
|
|
|
STEP 1 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
ENTRY_END
|
|
; the query is sent to the forwarder - no cache yet.
|
|
STEP 2 CHECK_OUT_QUERY
|
|
ENTRY_BEGIN
|
|
MATCH qname qtype opcode
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
ENTRY_END
|
|
STEP 3 REPLY
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
; authoritative answer
|
|
REPLY QR AA RD RA NOERROR
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. IN A 10.20.30.40
|
|
SECTION AUTHORITY
|
|
example.com. 100 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 10.20.30.50
|
|
ENTRY_END
|
|
STEP 4 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. IN A 10.20.30.40
|
|
SECTION AUTHORITY
|
|
example.com. 100 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 10.20.30.50
|
|
ENTRY_END
|
|
|
|
; another query passes along
|
|
STEP 6 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
bla.example.com. IN A
|
|
ENTRY_END
|
|
STEP 7 CHECK_OUT_QUERY
|
|
ENTRY_BEGIN
|
|
MATCH qname qtype opcode
|
|
SECTION QUESTION
|
|
bla.example.com. IN A
|
|
ENTRY_END
|
|
STEP 8 REPLY
|
|
; This answer has a fresh TTL
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
; authoritative answer
|
|
REPLY QR AA RD RA NOERROR
|
|
SECTION QUESTION
|
|
bla.example.com. IN A
|
|
SECTION ANSWER
|
|
bla.example.com. IN A 10.20.30.140
|
|
SECTION AUTHORITY
|
|
example.com. 200 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 10.20.30.50
|
|
ENTRY_END
|
|
STEP 9 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA
|
|
SECTION QUESTION
|
|
bla.example.com. IN A
|
|
SECTION ANSWER
|
|
bla.example.com. IN A 10.20.30.140
|
|
SECTION AUTHORITY
|
|
example.com. 100 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 10.20.30.50
|
|
ENTRY_END
|
|
|
|
; original www.example.com query
|
|
STEP 10 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
ENTRY_END
|
|
|
|
; immediate answer without an OUT_QUERY happening (checked on exit)
|
|
; also, the answer does not have AA set
|
|
; NS rrset has not been updated. No greedy TTL has happened.
|
|
STEP 11 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. IN A 10.20.30.40
|
|
SECTION AUTHORITY
|
|
example.com. 100 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 10.20.30.50
|
|
ENTRY_END
|
|
|
|
SCENARIO_END
|