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335c7cda12
Release notes at https://www.nlnetlabs.nl/news/2024/May/08/unbound-1.20.0-released/ Security: The DNSBomb vulnerability CVE-2024-33655 Merge commit 'c2a80056864d6eda0398fd127dc0ae515b39752b' into main
257 lines
4.8 KiB
Plaintext
257 lines
4.8 KiB
Plaintext
; config options
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server:
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target-fetch-policy: "0 0 0 0 0"
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qname-minimisation: "no"
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minimal-responses: no
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test that deep delegation from the parent deletes intermediate delegations to avoid triggering the ghost domain countermeasure.
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 19
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ADDRESS 193.0.14.129
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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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. IN NS
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SECTION ANSWER
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. 86400 IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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K.ROOT-SERVERS.NET. 86400 IN A 193.0.14.129
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ENTRY_END
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; we will explicitly ask for this
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION AUTHORITY
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com. 10 IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. 86400 IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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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 AUTHORITY
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example.com. 86400 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 86400 IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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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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com. IN NS
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SECTION ANSWER
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com. 10 IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. 86400 IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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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 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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; 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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ns.example.com. IN A
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SECTION ANSWER
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ns.example.com. IN A 1.2.3.4
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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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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ns.example.com. IN AAAA
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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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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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a.example.com. IN A
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SECTION ANSWER
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a.example.com. IN A 10.20.30.40
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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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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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b.example.com. IN A
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SECTION ANSWER
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b.example.com. IN A 10.20.30.40
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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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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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c.example.com. IN A
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SECTION ANSWER
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c.example.com. IN A 10.20.30.40
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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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; get the com. IN NS delegation in cache
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STEP 0 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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com. IN NS
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ENTRY_END
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STEP 1 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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com. IN NS
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SECTION ANSWER
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com. 10 IN NS a.gtld-servers.net.
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ENTRY_END
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STEP 2 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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a.example.com. IN A
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ENTRY_END
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STEP 3 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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a.example.com. IN A
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SECTION ANSWER
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a.example.com. IN A 10.20.30.40
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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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; time passes for com. IN NS to expire.
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STEP 9 TIME_PASSES ELAPSE 11
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; the following query should go to the root instead of example.com. IN NS
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; because com. IN NS is expired
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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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b.example.com. IN A
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ENTRY_END
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; root replies with the example.com IN NS delegation
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; the expired com. IN NS delegation should be deleted
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STEP 12 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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b.example.com. IN A
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SECTION ANSWER
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b.example.com. IN A 10.20.30.40
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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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; root is offline in this range.
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; the following query should go straight to the example.com. IN NS delegation
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; because the expired com. IN NS should not be in the cache anymore
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STEP 20 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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c.example.com. IN A
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ENTRY_END
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STEP 21 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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c.example.com. IN A
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SECTION ANSWER
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c.example.com. IN A 10.20.30.40
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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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