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|
server:
verbosity: 3
edns-tcp-keepalive: yes
edns-tcp-keepalive-timeout: 30000 # Hardwired to this in fake_event.c
stub-zone:
name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
CONFIG_END
SCENARIO_BEGIN TCP Keepalive
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
RANGE_END
;; ----------------------------------------
STEP 1 QUERY
ENTRY_BEGIN
MATCH TCP ednsdata
REPLY RD
SECTION QUESTION
www.example.com. IN A
SECTION ADDITIONAL
HEX_EDNSDATA_BEGIN
00 0b ; Opcode 11
00 02 ; Length 2
00 ff ; Timeout
HEX_EDNSDATA_END
ENTRY_END
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH TCP
REPLY RD FORMERR
SECTION QUESTION
www.example.com. IN A
ENTRY_END
STEP 20 QUERY
ENTRY_BEGIN
MATCH TCP ednsdata
REPLY RD
SECTION QUESTION
. IN NS
SECTION ADDITIONAL
HEX_EDNSDATA_BEGIN
00 0b ; Opcode 11
00 00 ; Length 0
HEX_EDNSDATA_END
ENTRY_END
STEP 30 CHECK_ANSWER
ENTRY_BEGIN
MATCH TCP ednsdata
REPLY QR RD RA NOERROR
SECTION QUESTION
. IN NS
SECTION ANSWER
. IN NS K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
HEX_EDNSDATA_BEGIN
00 0b ; Opcode 11
00 02 ; Length 2
01 2c ; 30s = 300 10th secs
HEX_EDNSDATA_END
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
; Check that a subsequent query on the connection without keepalive will
; generate a keepalive reply because we've already seen one.
STEP 40 QUERY
ENTRY_BEGIN
MATCH TCP ednsdata
REPLY RD
SECTION QUESTION
. IN NS
SECTION ADDITIONAL
HEX_EDNSDATA_BEGIN
; Empty
HEX_EDNSDATA_END
ENTRY_END
STEP 50 CHECK_ANSWER
ENTRY_BEGIN
MATCH TCP ednsdata
REPLY QR RD RA NOERROR
SECTION QUESTION
. IN NS
SECTION ANSWER
. IN NS K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
HEX_EDNSDATA_BEGIN
00 0b ; Opcode 11
00 02 ; Length 2
01 2c ; 30s = 300 10th secs
HEX_EDNSDATA_END
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
SCENARIO_END
|
