916b3a305d
- cache-max-negative-ttl config option, default 3600. git-svn-id: https://unbound.nlnetlabs.nl/svn/trunk@3431 be551aaa-1e26-0410-a405-d3ace91eadb9
274 lines
5.4 KiB
Plaintext
274 lines
5.4 KiB
Plaintext
; config options
|
|
server:
|
|
target-fetch-policy: "0 0 0 0 0"
|
|
|
|
stub-zone:
|
|
name: "."
|
|
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
|
|
CONFIG_END
|
|
|
|
SCENARIO_BEGIN Test resolver with a domain sale
|
|
; and the old operator is nasty, keeps running his server with the old data.
|
|
; and lots of lookups keep going towards the domain.
|
|
; eventually, the NS record has to timeout.
|
|
|
|
; K.ROOT-SERVERS.NET.
|
|
RANGE_BEGIN 0 100
|
|
ADDRESS 193.0.14.129
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
. IN NS
|
|
SECTION ANSWER
|
|
. IN NS K.ROOT-SERVERS.NET.
|
|
SECTION ADDITIONAL
|
|
K.ROOT-SERVERS.NET. IN A 193.0.14.129
|
|
ENTRY_END
|
|
|
|
ENTRY_BEGIN
|
|
MATCH opcode subdomain
|
|
ADJUST copy_id copy_query
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
com. IN A
|
|
SECTION AUTHORITY
|
|
com. IN NS a.gtld-servers.net.
|
|
SECTION ADDITIONAL
|
|
a.gtld-servers.net. IN A 192.5.6.30
|
|
ENTRY_END
|
|
RANGE_END
|
|
|
|
; a.gtld-servers.net. (before sale of domain)
|
|
RANGE_BEGIN 0 20
|
|
ADDRESS 192.5.6.30
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
com. IN NS
|
|
SECTION ANSWER
|
|
com. IN NS a.gtld-servers.net.
|
|
SECTION ADDITIONAL
|
|
a.gtld-servers.net. IN A 192.5.6.30
|
|
ENTRY_END
|
|
|
|
ENTRY_BEGIN
|
|
MATCH opcode subdomain
|
|
ADJUST copy_id copy_query
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
example.com. IN A
|
|
SECTION AUTHORITY
|
|
example.com. IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 1.2.3.4
|
|
ENTRY_END
|
|
RANGE_END
|
|
|
|
; a.gtld-servers.net. (after sale of domain)
|
|
RANGE_BEGIN 30 200
|
|
ADDRESS 192.5.6.30
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
com. IN NS
|
|
SECTION ANSWER
|
|
com. IN NS a.gtld-servers.net.
|
|
SECTION ADDITIONAL
|
|
a.gtld-servers.net. IN A 192.5.6.30
|
|
ENTRY_END
|
|
|
|
ENTRY_BEGIN
|
|
MATCH opcode subdomain
|
|
ADJUST copy_id copy_query
|
|
REPLY QR NOERROR
|
|
SECTION QUESTION
|
|
example.com. IN A
|
|
SECTION AUTHORITY
|
|
example.com. IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 8.8.8.8
|
|
ENTRY_END
|
|
RANGE_END
|
|
|
|
; ns.example.com. first owner
|
|
RANGE_BEGIN 0 200
|
|
ADDRESS 1.2.3.4
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR AA NOERROR
|
|
SECTION QUESTION
|
|
example.com. IN NS
|
|
SECTION ANSWER
|
|
example.com. IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 1.2.3.4
|
|
ENTRY_END
|
|
|
|
ENTRY_BEGIN
|
|
MATCH opcode qname
|
|
ADJUST copy_id copy_query
|
|
REPLY QR AA NOERROR
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. 3600 IN A 10.20.30.40
|
|
SECTION AUTHORITY
|
|
example.com. 3600 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 3600 IN A 1.2.3.4
|
|
ENTRY_END
|
|
|
|
; nxdomains for any name,type
|
|
; last in RANGE so that it matches everything left over.
|
|
; it includes the NS record.
|
|
ENTRY_BEGIN
|
|
MATCH opcode
|
|
ADJUST copy_id copy_query
|
|
REPLY QR AA NXDOMAIN
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
SECTION AUTHORITY
|
|
example.com. 3600 IN SOA a. b. 1 2 3 4 5
|
|
example.com. 3600 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 3600 IN A 1.2.3.4
|
|
ENTRY_END
|
|
RANGE_END
|
|
|
|
; ns.example.com. new owner
|
|
RANGE_BEGIN 0 200
|
|
ADDRESS 8.8.8.8
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR AA NOERROR
|
|
SECTION QUESTION
|
|
example.com. IN NS
|
|
SECTION ANSWER
|
|
example.com. IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. IN A 8.8.8.8
|
|
ENTRY_END
|
|
|
|
ENTRY_BEGIN
|
|
MATCH opcode qtype qname
|
|
ADJUST copy_id
|
|
REPLY QR AA NOERROR
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. 3600 IN A 88.88.88.88
|
|
SECTION AUTHORITY
|
|
example.com. 3600 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 3600 IN A 8.8.8.8
|
|
ENTRY_END
|
|
RANGE_END
|
|
|
|
; Fetch the old record from the old owner.
|
|
STEP 1 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
ENTRY_END
|
|
; recursion happens here.
|
|
STEP 5 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. 3600 IN A 10.20.30.40
|
|
SECTION AUTHORITY
|
|
example.com. 3600 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 3600 IN A 1.2.3.4
|
|
ENTRY_END
|
|
|
|
; the domain is sold (right at this time).
|
|
; but the information stays in the cache.
|
|
|
|
; after 1800 secs still the cached answer
|
|
STEP 20 TIME_PASSES ELAPSE 1800
|
|
|
|
STEP 30 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
ENTRY_END
|
|
; recursion happens here.
|
|
STEP 40 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. 1800 IN A 10.20.30.40
|
|
SECTION AUTHORITY
|
|
example.com. 1800 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 1800 IN A 1.2.3.4
|
|
ENTRY_END
|
|
|
|
; and ask another query
|
|
STEP 50 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
nx1.example.com. IN A
|
|
ENTRY_END
|
|
; recursion happens here.
|
|
STEP 60 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA NXDOMAIN
|
|
SECTION QUESTION
|
|
nx1.example.com. IN A
|
|
SECTION ANSWER
|
|
SECTION AUTHORITY
|
|
; at TTL 5 because TTL is capped at min-ttl of 5 in rdata of SOA
|
|
example.com. 5 IN SOA a. b. 1 2 3 4 5
|
|
example.com. 1800 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 1800 IN A 1.2.3.4
|
|
ENTRY_END
|
|
|
|
; after another 1900 seconds the domain must have timed out.
|
|
STEP 70 TIME_PASSES ELAPSE 1900
|
|
|
|
; the NS record should have timed out.
|
|
STEP 80 QUERY
|
|
ENTRY_BEGIN
|
|
REPLY RD
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
ENTRY_END
|
|
; recursion happens here.
|
|
STEP 90 CHECK_ANSWER
|
|
ENTRY_BEGIN
|
|
MATCH all ttl
|
|
REPLY QR RD RA NOERROR
|
|
SECTION QUESTION
|
|
www.example.com. IN A
|
|
SECTION ANSWER
|
|
www.example.com. 3600 IN A 88.88.88.88
|
|
SECTION AUTHORITY
|
|
example.com. 3600 IN NS ns.example.com.
|
|
SECTION ADDITIONAL
|
|
ns.example.com. 3600 IN A 8.8.8.8
|
|
ENTRY_END
|
|
|
|
SCENARIO_END
|