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 ednsdata REPLY RD FORMERR SECTION QUESTION www.example.com. IN A SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ; Empty HEX_EDNSDATA_END 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