From a97cf10d03bbb3e4a8031194ade333e052e70d01 Mon Sep 17 00:00:00 2001 From: Justin Azoff Date: Thu, 3 Jan 2019 13:51:50 -0500 Subject: [PATCH 1/3] improve performance of dns policy defer allocating various tables until at least 2 pending queries are seen. --- scripts/base/protocols/dns/main.bro | 35 +++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 7 deletions(-) diff --git a/scripts/base/protocols/dns/main.bro b/scripts/base/protocols/dns/main.bro index a0e22aae6b..8ce14c8e18 100644 --- a/scripts/base/protocols/dns/main.bro +++ b/scripts/base/protocols/dns/main.bro @@ -128,13 +128,16 @@ export { ## A record type which tracks the status of DNS queries for a given ## :bro:type:`connection`. type State: record { + ## a single query that hasn't been matched with a response yet. + pending_query: Info &optional; + ## Indexed by query id, returns Info record corresponding to ## queries that haven't been matched with a response yet. - pending_queries: PendingMessages; + pending_queries: PendingMessages &optional; ## Indexed by query id, returns Info record corresponding to ## replies that haven't been matched with a query yet. - pending_replies: PendingMessages; + pending_replies: PendingMessages &optional; }; } @@ -230,7 +233,7 @@ hook set_session(c: connection, msg: dns_msg, is_query: bool) &priority=5 if ( is_query ) { - if ( msg$id in c$dns_state$pending_replies && + if ( c$dns_state?$pending_replies && msg$id in c$dns_state$pending_replies && Queue::len(c$dns_state$pending_replies[msg$id]) > 0 ) { # Match this DNS query w/ what's at head of pending reply queue. @@ -241,12 +244,24 @@ hook set_session(c: connection, msg: dns_msg, is_query: bool) &priority=5 # Create a new DNS session and put it in the query queue so # we can wait for a matching reply. c$dns = new_session(c, msg$id); - enqueue_new_msg(c$dns_state$pending_queries, msg$id, c$dns); + if(!c$dns_state?$pending_query) + c$dns_state$pending_query = c$dns; + else + { + if(!c$dns_state?$pending_queries) + c$dns_state$pending_queries = table(); + enqueue_new_msg(c$dns_state$pending_queries, msg$id, c$dns); + } } } else { - if ( msg$id in c$dns_state$pending_queries && + if (c$dns_state?$pending_query && c$dns_state$pending_query$trans_id == msg$id) + { + c$dns = c$dns_state$pending_query; + delete c$dns_state$pending_query; + } + else if (c$dns_state?$pending_queries && msg$id in c$dns_state$pending_queries && Queue::len(c$dns_state$pending_queries[msg$id]) > 0 ) { # Match this DNS reply w/ what's at head of pending query queue. @@ -257,6 +272,8 @@ hook set_session(c: connection, msg: dns_msg, is_query: bool) &priority=5 # Create a new DNS session and put it in the reply queue so # we can wait for a matching query. c$dns = new_session(c, msg$id); + if(!c$dns_state?$pending_replies) + c$dns_state$pending_replies = table(); enqueue_new_msg(c$dns_state$pending_replies, msg$id, c$dns); } } @@ -511,6 +528,10 @@ event connection_state_remove(c: connection) &priority=-5 # If Bro is expiring state, we should go ahead and log all unmatched # queries and replies now. - log_unmatched_msgs(c$dns_state$pending_queries); - log_unmatched_msgs(c$dns_state$pending_replies); + if(c$dns_state?$pending_query) + Log::write(DNS::LOG, c$dns_state$pending_query); + if(c$dns_state?$pending_queries) + log_unmatched_msgs(c$dns_state$pending_queries); + if(c$dns_state?$pending_replies) + log_unmatched_msgs(c$dns_state$pending_replies); } From a5ad864e13021db412b4adc1d05c72a8dad74102 Mon Sep 17 00:00:00 2001 From: Justin Azoff Date: Wed, 9 Jan 2019 09:46:08 -0500 Subject: [PATCH 2/3] Use more efficient method to grab the protocol. get_conn_transport_proto needs to use sessions->FindConnection and do a hash lookup to find the connection while get_port_transport_proto just looks at the port directly. --- scripts/base/protocols/dns/main.bro | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/base/protocols/dns/main.bro b/scripts/base/protocols/dns/main.bro index 8ce14c8e18..fdc08f6c02 100644 --- a/scripts/base/protocols/dns/main.bro +++ b/scripts/base/protocols/dns/main.bro @@ -162,7 +162,7 @@ function new_session(c: connection, trans_id: count): Info info$ts = network_time(); info$id = c$id; info$uid = c$uid; - info$proto = get_conn_transport_proto(c$id); + info$proto = get_port_transport_proto(c$id$resp_p); info$trans_id = trans_id; return info; } From ea167846faa89c488f1750b84cb53815a6647dbe Mon Sep 17 00:00:00 2001 From: Justin Azoff Date: Sun, 17 Feb 2019 12:48:24 -0500 Subject: [PATCH 3/3] update baselines --- .../all-events.log | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/testing/btest/Baseline/scripts.policy.misc.dump-events/all-events.log b/testing/btest/Baseline/scripts.policy.misc.dump-events/all-events.log index 0492d87770..8f6550e2e2 100644 --- a/testing/btest/Baseline/scripts.policy.misc.dump-events/all-events.log +++ b/testing/btest/Baseline/scripts.policy.misc.dump-events/all-events.log @@ -13,41 +13,41 @@ [3] len: count = 34 1254722767.492060 dns_request - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=0, state=0, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.0, service={\x0a\x0a}, history=D, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=, qclass=, qclass_name=, qtype=, qtype_name=, rcode=, rcode_name=, AA=F, TC=F, RD=F, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], dns_state=[pending_queries={\x0a\x09[31062] = [initialized=T, vals={\x0a\x09\x09[0] = [ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=, qclass=, qclass_name=, qtype=, qtype_name=, rcode=, rcode_name=, AA=F, TC=F, RD=F, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F]\x0a\x09}, settings=[max_len=], top=1, bottom=0, size=0]\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=0, state=0, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.0, service={\x0a\x0a}, history=D, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=, qclass=, qclass_name=, qtype=, qtype_name=, rcode=, rcode_name=, AA=F, TC=F, RD=F, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], dns_state=[pending_query=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=, qclass=, qclass_name=, qtype=, qtype_name=, rcode=, rcode_name=, AA=F, TC=F, RD=F, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] msg: dns_msg = [id=31062, opcode=0, rcode=0, QR=F, AA=F, TC=F, RD=T, RA=F, Z=0, num_queries=1, num_answers=0, num_auth=0, num_addl=0] [2] query: string = mail.patriots.in [3] qtype: count = 1 [4] qclass: count = 1 1254722767.492060 protocol_confirmation - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=0, state=0, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.0, service={\x0a\x0a}, history=D, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], dns_state=[pending_queries={\x0a\x09[31062] = [initialized=T, vals={\x0a\x09\x09[0] = [ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F]\x0a\x09}, settings=[max_len=], top=1, bottom=0, size=0]\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=0, state=0, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.0, service={\x0a\x0a}, history=D, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], dns_state=[pending_query=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] atype: enum = Analyzer::ANALYZER_DNS [2] aid: count = 3 1254722767.492060 dns_end - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=0, state=0, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.0, service={\x0aDNS\x0a}, history=D, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], dns_state=[pending_queries={\x0a\x09[31062] = [initialized=T, vals={\x0a\x09\x09[0] = [ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F]\x0a\x09}, settings=[max_len=], top=1, bottom=0, size=0]\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=0, state=0, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.0, service={\x0aDNS\x0a}, history=D, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], dns_state=[pending_query=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=F, saw_reply=F], pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] msg: dns_msg = [id=31062, opcode=0, rcode=0, QR=F, AA=F, TC=F, RD=T, RA=F, Z=0, num_queries=1, num_answers=0, num_auth=0, num_addl=0] 1254722767.526085 dns_message - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=T, saw_reply=F], dns_state=[pending_queries={\x0a\x09[31062] = [initialized=T, vals={\x0a\x09\x09[0] = [ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=T, saw_reply=F]\x0a\x09}, settings=[max_len=], top=1, bottom=0, size=0]\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=T, saw_reply=F], dns_state=[pending_query=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=, rcode_name=, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=, total_replies=, saw_query=T, saw_reply=F], pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] is_orig: bool = F [2] msg: dns_msg = [id=31062, opcode=0, rcode=0, QR=T, AA=F, TC=F, RD=T, RA=T, Z=0, num_queries=1, num_answers=2, num_auth=2, num_addl=0] [3] len: count = 100 1254722767.526085 dns_CNAME_reply - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=0, rcode_name=NOERROR, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=2, total_replies=4, saw_query=T, saw_reply=F], dns_state=[pending_queries={\x0a\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=0, rcode_name=NOERROR, AA=F, TC=F, RD=T, RA=F, Z=0, answers=, TTLs=, rejected=F, total_answers=2, total_replies=4, saw_query=T, saw_reply=F], dns_state=[pending_query=, pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] msg: dns_msg = [id=31062, opcode=0, rcode=0, QR=T, AA=F, TC=F, RD=T, RA=T, Z=0, num_queries=1, num_answers=2, num_auth=2, num_addl=0] [2] ans: dns_answer = [answer_type=1, query=mail.patriots.in, qtype=5, qclass=1, TTL=3.0 hrs 27.0 secs] [3] name: string = patriots.in 1254722767.526085 dns_A_reply - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=34.0 msecs 24.0 usecs, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=0, rcode_name=NOERROR, AA=F, TC=F, RD=T, RA=T, Z=0, answers=[patriots.in], TTLs=[3.0 hrs 27.0 secs], rejected=F, total_answers=2, total_replies=4, saw_query=T, saw_reply=F], dns_state=[pending_queries={\x0a\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=34.0 msecs 24.0 usecs, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=0, rcode_name=NOERROR, AA=F, TC=F, RD=T, RA=T, Z=0, answers=[patriots.in], TTLs=[3.0 hrs 27.0 secs], rejected=F, total_answers=2, total_replies=4, saw_query=T, saw_reply=F], dns_state=[pending_query=, pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] msg: dns_msg = [id=31062, opcode=0, rcode=0, QR=T, AA=F, TC=F, RD=T, RA=T, Z=0, num_queries=1, num_answers=2, num_auth=2, num_addl=0] [2] ans: dns_answer = [answer_type=1, query=patriots.in, qtype=1, qclass=1, TTL=3.0 hrs 28.0 secs] [3] a: addr = 74.53.140.153 1254722767.526085 dns_end - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=34.0 msecs 24.0 usecs, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=0, rcode_name=NOERROR, AA=F, TC=F, RD=T, RA=T, Z=0, answers=[patriots.in, 74.53.140.153], TTLs=[3.0 hrs 27.0 secs, 3.0 hrs 28.0 secs], rejected=F, total_answers=2, total_replies=4, saw_query=T, saw_reply=F], dns_state=[pending_queries={\x0a\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=0, num_bytes_ip=0, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=[ts=1254722767.49206, uid=CHhAvVGS1DHFjwGM9, id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], proto=udp, trans_id=31062, rtt=34.0 msecs 24.0 usecs, query=mail.patriots.in, qclass=1, qclass_name=C_INTERNET, qtype=1, qtype_name=A, rcode=0, rcode_name=NOERROR, AA=F, TC=F, RD=T, RA=T, Z=0, answers=[patriots.in, 74.53.140.153], TTLs=[3.0 hrs 27.0 secs, 3.0 hrs 28.0 secs], rejected=F, total_answers=2, total_replies=4, saw_query=T, saw_reply=F], dns_state=[pending_query=, pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] [1] msg: dns_msg = [id=31062, opcode=0, rcode=0, QR=T, AA=F, TC=F, RD=T, RA=T, Z=0, num_queries=1, num_answers=2, num_auth=2, num_addl=0] 1254722767.529046 new_connection @@ -489,7 +489,7 @@ 1437831776.764391 ChecksumOffloading::check 1437831776.764391 connection_state_remove - [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=1, num_bytes_ip=128, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=, dns_state=[pending_queries={\x0a\x0a}, pending_replies={\x0a\x0a}], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] + [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=56166/udp, resp_h=10.10.1.1, resp_p=53/udp], orig=[size=34, state=1, num_pkts=1, num_bytes_ip=62, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=100, state=1, num_pkts=1, num_bytes_ip=128, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.49206, duration=0.034025, service={\x0aDNS\x0a}, history=Dd, uid=CHhAvVGS1DHFjwGM9, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=, dns_state=[pending_query=, pending_queries=, pending_replies=], ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=, smtp_state=, socks=, ssh=, syslog=] 1437831776.764391 connection_state_remove [0] c: connection = [id=[orig_h=10.10.1.4, orig_p=1470/tcp, resp_h=74.53.140.153, resp_p=25/tcp], orig=[size=14705, state=5, num_pkts=28, num_bytes_ip=21673, flow_label=0, l2_addr=00:e0:1c:3c:17:c2], resp=[size=538, state=5, num_pkts=25, num_bytes_ip=1546, flow_label=0, l2_addr=00:1f:33:d9:81:60], start_time=1254722767.529046, duration=7.576953, service={\x0aSMTP\x0a}, history=ShAdDaTFf, uid=ClEkJM2Vm5giqnMf4h, tunnel=, vlan=, inner_vlan=, dpd=, conn=, extract_orig=F, extract_resp=F, thresholds=, dce_rpc=, dce_rpc_state=, dce_rpc_backing=, dhcp=, dnp3=, dns=, dns_state=, ftp=, ftp_data_reuse=F, ssl=, http=, http_state=, irc=, krb=, modbus=, mysql=, ntlm=, radius=, rdp=, rfb=, sip=, sip_state=, snmp=, smb_state=, smtp=[ts=1254722772.248789, uid=ClEkJM2Vm5giqnMf4h, id=[orig_h=10.10.1.4, orig_p=1470/tcp, resp_h=74.53.140.153, resp_p=25/tcp], trans_depth=2, helo=GP, mailfrom=, rcptto=, date=, from=, to=, cc=, reply_to=, msg_id=, in_reply_to=, subject=, x_originating_ip=, first_received=, second_received=, last_reply=221 xc90.websitewelcome.com closing connection, path=[74.53.140.153, 10.10.1.4], user_agent=, tls=F, process_received_from=T, has_client_activity=F, entity=, fuids=[]], smtp_state=[helo=GP, messages_transferred=1, pending_messages=, mime_depth=5], socks=, ssh=, syslog=]