# NetScreen firewall logs
NETSCREENSESSIONLOG %{SYSLOGTIMESTAMP:timestamp} %{IPORHOST:[observer][hostname]} %{NOTSPACE:[observer][name]}: (?<[observer][product]>NetScreen) device_id=%{WORD:[netscreen][device_id]} .*?(system-\w+-%{NONNEGINT:[event][code]}\(%{WORD:[netscreen][session][type]}\))?: start_time="%{DATA:[netscreen][session][start_time]}" duration=%{INT:[netscreen][session][duration]:int} policy_id=%{INT:[netscreen][policy_id]} service=%{DATA:[netscreen][service]} proto=%{INT:[netscreen][protocol_number]:int} src zone=%{WORD:[observer][ingress][zone]} dst zone=%{WORD:[observer][egress][zone]} action=%{WORD:[event][action]} sent=%{INT:[source][bytes]:int} rcvd=%{INT:[destination][bytes]:int} src=%{IPORHOST:[source][address]} dst=%{IPORHOST:[destination][address]}(?: src_port=%{INT:[source][port]:int} dst_port=%{INT:[destination][port]:int})?(?: src-xlated ip=%{IP:[source][nat][ip]} port=%{INT:[source][nat][port]:int} dst-xlated ip=%{IP:[destination][nat][ip]} port=%{INT:[destination][nat][port]:int})?(?: session_id=%{INT:[netscreen][session][id]} reason=%{GREEDYDATA:[netscreen][session][reason]})?
# :long - %{INT:[source][bytes]:int}
# :long - %{INT:[destination][bytes]:int}

#== Cisco ASA ==
CISCO_TAGGED_SYSLOG ^<%{POSINT:[log][syslog][facility][code]:int}>%{CISCOTIMESTAMP:timestamp}( %{SYSLOGHOST:[host][hostname]})? ?: %%{CISCOTAG:ciscotag}:
CISCOTIMESTAMP %{MONTH} +%{MONTHDAY}(?: %{YEAR})? %{TIME}
CISCOTAG [A-Z0-9]+-%{INT}-(?:[A-Z0-9_]+)
# Common Particles
CISCO_ACTION Built|Teardown|Deny|Denied|denied|requested|permitted|denied by ACL|discarded|est-allowed|Dropping|created|deleted
CISCO_REASON Duplicate TCP SYN|Failed to locate egress interface|Invalid transport field|No matching connection|DNS Response|DNS Query|(?:%{WORD}\s*)*
CISCO_DIRECTION Inbound|inbound|Outbound|outbound
CISCO_INTERVAL first hit|%{INT}-second interval
CISCO_XLATE_TYPE static|dynamic
# helpers
CISCO_HITCOUNT_INTERVAL hit-cnt %{INT:[cisco][asa][hit_count]:int} (?:first hit|%{INT:[cisco][asa][interval]:int}-second interval)
CISCO_SRC_IP_USER %{NOTSPACE:[observer][ingress][interface][name]}:%{IP:[source][ip]}(?:\(%{DATA:[source][user][name]}\))?
CISCO_DST_IP_USER %{NOTSPACE:[observer][egress][interface][name]}:%{IP:[destination][ip]}(?:\(%{DATA:[destination][user][name]}\))?
CISCO_SRC_HOST_PORT_USER %{NOTSPACE:[observer][ingress][interface][name]}:(?:(?:%{IP:[source][ip]})|(?:%{HOSTNAME:[source][address]}))(?:/%{INT:[source][port]:int})?(?:\(%{DATA:[source][user][name]}\))?
CISCO_DST_HOST_PORT_USER %{NOTSPACE:[observer][egress][interface][name]}:(?:(?:%{IP:[destination][ip]})|(?:%{HOSTNAME:[destination][address]}))(?:/%{INT:[destination][port]:int})?(?:\(%{DATA:[destination][user][name]}\))?
# ASA-1-104001
CISCOFW104001 \((?:Primary|Secondary)\) Switching to ACTIVE - %{GREEDYDATA:[event][reason]}
# ASA-1-104002
CISCOFW104002 \((?:Primary|Secondary)\) Switching to STANDBY - %{GREEDYDATA:[event][reason]}
# ASA-1-104003
CISCOFW104003 \((?:Primary|Secondary)\) Switching to FAILED\.
# ASA-1-104004
CISCOFW104004 \((?:Primary|Secondary)\) Switching to OK\.
# ASA-1-105003
CISCOFW105003 \((?:Primary|Secondary)\) Monitoring on [Ii]nterface %{NOTSPACE:[network][interface][name]} waiting
# ASA-1-105004
CISCOFW105004 \((?:Primary|Secondary)\) Monitoring on [Ii]nterface %{NOTSPACE:[network][interface][name]} normal
# ASA-1-105005
CISCOFW105005 \((?:Primary|Secondary)\) Lost Failover communications with mate on [Ii]nterface %{NOTSPACE:[network][interface][name]}
# ASA-1-105008
CISCOFW105008 \((?:Primary|Secondary)\) Testing [Ii]nterface %{NOTSPACE:[network][interface][name]}
# ASA-1-105009
CISCOFW105009 \((?:Primary|Secondary)\) Testing on [Ii]nterface %{NOTSPACE:[network][interface][name]} (?:Passed|Failed)
# ASA-2-106001
CISCOFW106001 %{CISCO_DIRECTION:[cisco][asa][network][direction]} %{WORD:[cisco][asa][network][transport]} connection %{CISCO_ACTION:[cisco][asa][outcome]} from %{IP:[source][ip]}/%{INT:[source][port]:int} to %{IP:[destination][ip]}/%{INT:[destination][port]:int} flags %{DATA:[cisco][asa][tcp_flags]} on interface %{NOTSPACE:[observer][egress][interface][name]}
# ASA-2-106006, ASA-2-106007, ASA-2-106010
CISCOFW106006_106007_106010 %{CISCO_ACTION:[cisco][asa][outcome]} %{CISCO_DIRECTION:[cisco][asa][network][direction]} %{WORD:[cisco][asa][network][transport]} (?:from|src) %{IP:[source][ip]}/%{INT:[source][port]:int}(?:\(%{DATA:[source][user][name]}\))? (?:to|dst) %{IP:[destination][ip]}/%{INT:[destination][port]:int}(?:\(%{DATA:[destination][user][name]}\))? (?:(?:on interface %{NOTSPACE:[observer][egress][interface][name]})|(?:due to %{CISCO_REASON:[event][reason]}))
# ASA-3-106014
CISCOFW106014 %{CISCO_ACTION:[cisco][asa][outcome]} %{CISCO_DIRECTION:[cisco][asa][network][direction]} %{WORD:[cisco][asa][network][transport]} src %{CISCO_SRC_IP_USER} dst %{CISCO_DST_IP_USER}\s?\(type %{INT:[cisco][asa][icmp_type]:int}, code %{INT:[cisco][asa][icmp_code]:int}\)
# ASA-6-106015
CISCOFW106015 %{CISCO_ACTION:[cisco][asa][outcome]} %{WORD:[cisco][asa][network][transport]} \(%{DATA:[cisco][asa][rule_name]}\) from %{IP:[source][ip]}/%{INT:[source][port]:int} to %{IP:[destination][ip]}/%{INT:[destination][port]:int} flags %{DATA:[cisco][asa][tcp_flags]} on interface %{NOTSPACE:[observer][egress][interface][name]}
# ASA-1-106021
CISCOFW106021 %{CISCO_ACTION:[cisco][asa][outcome]} %{WORD:[cisco][asa][network][transport]} reverse path check from %{IP:[source][ip]} to %{IP:[destination][ip]} on interface %{NOTSPACE:[observer][egress][interface][name]}
# ASA-4-106023
CISCOFW106023 %{CISCO_ACTION:[cisco][asa][outcome]}(?: protocol)? %{WORD:[cisco][asa][network][transport]} src %{CISCO_SRC_HOST_PORT_USER} dst %{CISCO_DST_HOST_PORT_USER}( \(type %{INT:[cisco][asa][icmp_type]:int}, code %{INT:[cisco][asa][icmp_code]:int}\))? by access-group "?%{DATA:[cisco][asa][rule_name]}"? \[%{DATA:[@metadata][cisco][asa][hashcode1]}, %{DATA:[@metadata][cisco][asa][hashcode2]}\]
# ASA-4-106100, ASA-4-106102, ASA-4-106103
CISCOFW106100_2_3 access-list %{NOTSPACE:[cisco][asa][rule_name]} %{CISCO_ACTION:[cisco][asa][outcome]} %{WORD:[cisco][asa][network][transport]} for user '%{DATA:[user][name]}' %{DATA:[observer][ingress][interface][name]}/%{IP:[source][ip]}\(%{INT:[source][port]:int}\) -> %{DATA:[observer][egress][interface][name]}/%{IP:[destination][ip]}\(%{INT:[destination][port]:int}\) %{CISCO_HITCOUNT_INTERVAL} \[%{DATA:[@metadata][cisco][asa][hashcode1]}, %{DATA:[@metadata][cisco][asa][hashcode2]}\]
# ASA-5-106100
CISCOFW106100 access-list %{NOTSPACE:[cisco][asa][rule_name]} %{CISCO_ACTION:[cisco][asa][outcome]} %{WORD:[cisco][asa][network][transport]} %{DATA:[observer][ingress][interface][name]}/%{IP:[source][ip]}\(%{INT:[source][port]:int}\)(?:\(%{DATA:[source][user][name]}\))? -> %{DATA:[observer][egress][interface][name]}/%{IP:[destination][ip]}\(%{INT:[destination][port]:int}\)(?:\(%{DATA:[source][user][name]}\))? hit-cnt %{INT:[cisco][asa][hit_count]:int} %{CISCO_INTERVAL} \[%{DATA:[@metadata][cisco][asa][hashcode1]}, %{DATA:[@metadata][cisco][asa][hashcode2]}\]
# ASA-5-304001
CISCOFW304001 %{IP:[source][ip]}(?:\(%{DATA:[source][user][name]}\))? Accessed URL %{IP:[destination][ip]}:%{GREEDYDATA:[url][original]}
# ASA-6-110002
CISCOFW110002 %{CISCO_REASON:[event][reason]} for %{WORD:[cisco][asa][network][transport]} from %{DATA:[observer][ingress][interface][name]}:%{IP:[source][ip]}/%{INT:[source][port]:int} to %{IP:[destination][ip]}/%{INT:[destination][port]:int}
# ASA-6-302010
CISCOFW302010 %{INT:[cisco][asa][connections][in_use]:int} in use, %{INT:[cisco][asa][connections][most_used]:int} most used
# ASA-6-302013, ASA-6-302014, ASA-6-302015, ASA-6-302016
CISCOFW302013_302014_302015_302016 %{CISCO_ACTION:[cisco][asa][outcome]}(?: %{CISCO_DIRECTION:[cisco][asa][network][direction]})? %{WORD:[cisco][asa][network][transport]} connection %{INT:[cisco][asa][connection_id]} for %{NOTSPACE:[observer][ingress][interface][name]}:%{IP:[source][ip]}/%{INT:[source][port]:int}(?: \(%{IP:[source][nat][ip]}/%{INT:[source][nat][port]:int}\))?(?:\(%{DATA:[source][user][name?]}\))? to %{NOTSPACE:[observer][egress][interface][name]}:%{IP:[destination][ip]}/%{INT:[destination][port]:int}( \(%{IP:[destination][nat][ip]}/%{INT:[destination][nat][port]:int}\))?(?:\(%{DATA:[destination][user][name]}\))?( duration %{TIME:[cisco][asa][duration]} bytes %{INT:[network][bytes]:int})?(?: %{CISCO_REASON:[event][reason]})?(?: \(%{DATA:[user][name]}\))?
# :long - %{INT:[network][bytes]:int}
# ASA-6-302020, ASA-6-302021
CISCOFW302020_302021 %{CISCO_ACTION:[cisco][asa][outcome]}(?: %{CISCO_DIRECTION:[cisco][asa][network][direction]})? %{WORD:[cisco][asa][network][transport]} connection for faddr %{IP:[destination][ip]}/%{INT:[cisco][asa][icmp_seq]:int}(?:\(%{DATA:[destination][user][name]}\))? gaddr %{IP:[source][nat][ip]}/%{INT:[cisco][asa][icmp_type]:int} laddr %{IP:[source][ip]}/%{INT}(?: \(%{DATA:[source][user][name]}\))?
# ASA-6-305011
CISCOFW305011 %{CISCO_ACTION:[cisco][asa][outcome]} %{CISCO_XLATE_TYPE} %{WORD:[cisco][asa][network][transport]} translation from %{DATA:[observer][ingress][interface][name]}:%{IP:[source][ip]}(/%{INT:[source][port]:int})?(?:\(%{DATA:[source][user][name]}\))? to %{DATA:[observer][egress][interface][name]}:%{IP:[destination][ip]}/%{INT:[destination][port]:int}
# ASA-3-313001, ASA-3-313004, ASA-3-313008
CISCOFW313001_313004_313008 %{CISCO_ACTION:[cisco][asa][outcome]} %{WORD:[cisco][asa][network][transport]} type=%{INT:[cisco][asa][icmp_type]:int}, code=%{INT:[cisco][asa][icmp_code]:int} from %{IP:[source][ip]} on interface %{NOTSPACE:[observer][egress][interface][name]}(?: to %{IP:[destination][ip]})?
# ASA-4-313005
CISCOFW313005 %{CISCO_REASON:[event][reason]} for %{WORD:[cisco][asa][network][transport]} error message: %{WORD} src %{CISCO_SRC_IP_USER} dst %{CISCO_DST_IP_USER} \(type %{INT:[cisco][asa][icmp_type]:int}, code %{INT:[cisco][asa][icmp_code]:int}\) on %{NOTSPACE} interface\.\s+Original IP payload: %{WORD:[cisco][asa][original_ip_payload][network][transport]} src %{IP:[cisco][asa][original_ip_payload][source][ip]}/%{INT:[cisco][asa][original_ip_payload][source][port]:int}(?:\(%{DATA:[cisco][asa][original_ip_payload][source][user][name]}\))? dst %{IP:[cisco][asa][original_ip_payload][destination][ip]}/%{INT:[cisco][asa][original_ip_payload][destination][port]:int}(?:\(%{DATA:[cisco][asa][original_ip_payload][destination][user][name]}\))?
# ASA-5-321001
CISCOFW321001 Resource '%{DATA:[cisco][asa][resource][name]}' limit of %{POSINT:[cisco][asa][resource][limit]:int} reached for system
# ASA-4-402117
CISCOFW402117 %{WORD:[cisco][asa][network][type]}: Received a non-IPSec packet \(protocol=\s?%{WORD:[cisco][asa][network][transport]}\) from %{IP:[source][ip]} to %{IP:[destination][ip]}\.?
# ASA-4-402119
CISCOFW402119 %{WORD:[cisco][asa][network][type]}: Received an %{WORD:[cisco][asa][ipsec][protocol]} packet \(SPI=\s?%{DATA:[cisco][asa][ipsec][spi]}, sequence number=\s?%{DATA:[cisco][asa][ipsec][seq_num]}\) from %{IP:[source][ip]} \(user=\s?%{DATA:[source][user][name]}\) to %{IP:[destination][ip]} that failed anti-replay checking\.?
# ASA-4-419001
CISCOFW419001 %{CISCO_ACTION:[cisco][asa][outcome]} %{WORD:[cisco][asa][network][transport]} packet from %{NOTSPACE:[observer][ingress][interface][name]}:%{IP:[source][ip]}/%{INT:[source][port]:int} to %{NOTSPACE:[observer][egress][interface][name]}:%{IP:[destination][ip]}/%{INT:[destination][port]:int}, reason: %{GREEDYDATA:[event][reason]}
# ASA-4-419002
CISCOFW419002 %{CISCO_REASON:[event][reason]} from %{DATA:[observer][ingress][interface][name]}:%{IP:[source][ip]}/%{INT:[source][port]:int} to %{DATA:[observer][egress][interface][name]}:%{IP:[destination][ip]}/%{INT:[destination][port]:int} with different initial sequence number
# ASA-4-500004
CISCOFW500004 %{CISCO_REASON:[event][reason]} for protocol=%{WORD:[cisco][asa][network][transport]}, from %{IP:[source][ip]}/%{INT:[source][port]:int} to %{IP:[destination][ip]}/%{INT:[destination][port]:int}
# ASA-6-602303, ASA-6-602304
CISCOFW602303_602304 %{WORD:[cisco][asa][network][type]}: An %{CISCO_DIRECTION:[cisco][asa][network][direction]} %{DATA:[cisco][asa][ipsec][tunnel_type]} SA \(SPI=\s?%{DATA:[cisco][asa][ipsec][spi]}\) between %{IP:[source][ip]} and %{IP:[destination][ip]} \(user=\s?%{DATA:[source][user][name]}\) has been %{CISCO_ACTION:[cisco][asa][outcome]}
# ASA-7-710001, ASA-7-710002, ASA-7-710003, ASA-7-710005, ASA-7-710006
CISCOFW710001_710002_710003_710005_710006 %{WORD:[cisco][asa][network][transport]} (?:request|access) %{CISCO_ACTION:[cisco][asa][outcome]} from %{IP:[source][ip]}/%{INT:[source][port]:int} to %{DATA:[observer][egress][interface][name]}:%{IP:[destination][ip]}/%{INT:[destination][port]:int}
# ASA-6-713172
CISCOFW713172 Group = %{DATA:[cisco][asa][source][group]}, IP = %{IP:[source][ip]}, Automatic NAT Detection Status:\s+Remote end\s*%{DATA:[@metadata][cisco][asa][remote_nat]}\s*behind a NAT device\s+This\s+end\s*%{DATA:[@metadata][cisco][asa][local_nat]}\s*behind a NAT device
# ASA-4-733100
CISCOFW733100 \[\s*%{DATA:[cisco][asa][burst][object]}\s*\] drop %{DATA:[cisco][asa][burst][id]} exceeded. Current burst rate is %{INT:[cisco][asa][burst][current_rate]:int} per second, max configured rate is %{INT:[cisco][asa][burst][configured_rate]:int}; Current average rate is %{INT:[cisco][asa][burst][avg_rate]:int} per second, max configured rate is %{INT:[cisco][asa][burst][configured_avg_rate]:int}; Cumulative total count is %{INT:[cisco][asa][burst][cumulative_count]:int}
#== End Cisco ASA ==


IPTABLES_TCP_FLAGS (CWR |ECE |URG |ACK |PSH |RST |SYN |FIN )*
IPTABLES_TCP_PART (?:SEQ=%{INT:[iptables][tcp][seq]:int}\s+)?(?:ACK=%{INT:[iptables][tcp][ack]:int}\s+)?WINDOW=%{INT:[iptables][tcp][window]:int}\s+RES=0x%{BASE16NUM:[iptables][tcp_reserved_bits]}\s+%{IPTABLES_TCP_FLAGS:[iptables][tcp][flags]}

IPTABLES4_FRAG (?:(?<= )(?:CE|DF|MF))*
IPTABLES4_PART SRC=%{IPV4:[source][ip]}\s+DST=%{IPV4:[destination][ip]}\s+LEN=(?:%{INT:[iptables][length]:int})?\s+TOS=(?:0|0x%{BASE16NUM:[iptables][tos]})?\s+PREC=(?:0x%{BASE16NUM:[iptables][precedence_bits]})?\s+TTL=(?:%{INT:[iptables][ttl]:int})?\s+ID=(?:%{INT:[iptables][id]})?\s+(?:%{IPTABLES4_FRAG:[iptables][fragment_flags]})?(?:\s+FRAG: %{INT:[iptables][fragment_offset]:int})?
IPTABLES6_PART SRC=%{IPV6:[source][ip]}\s+DST=%{IPV6:[destination][ip]}\s+LEN=(?:%{INT:[iptables][length]:int})?\s+TC=(?:0|0x%{BASE16NUM:[iptables][tos]})?\s+HOPLIMIT=(?:%{INT:[iptables][ttl]:int})?\s+FLOWLBL=(?:%{INT:[iptables][flow_label]})?

IPTABLES IN=(?:%{NOTSPACE:[observer][ingress][interface][name]})?\s+OUT=(?:%{NOTSPACE:[observer][egress][interface][name]})?\s+(?:MAC=(?:%{COMMONMAC:[destination][mac]})?(?::%{COMMONMAC:[source][mac]})?(?::[A-Fa-f0-9]{2}:[A-Fa-f0-9]{2})?\s+)?(:?%{IPTABLES4_PART}|%{IPTABLES6_PART}).*?PROTO=(?:%{WORD:[network][transport]})?\s+SPT=(?:%{INT:[source][port]:int})?\s+DPT=(?:%{INT:[destination][port]:int})?\s+(?:%{IPTABLES_TCP_PART})?

# Shorewall firewall logs
SHOREWALL (?:%{SYSLOGTIMESTAMP:timestamp}) (?:%{WORD:[observer][hostname]}) .*Shorewall:(?:%{WORD:[shorewall][firewall][type]})?:(?:%{WORD:[shorewall][firewall][action]})?.*%{IPTABLES}
#== End Shorewall
#== SuSE Firewall 2 ==
SFW2_LOG_PREFIX SFW2\-INext\-%{NOTSPACE:[suse][firewall][action]}
SFW2 ((?:%{SYSLOGTIMESTAMP:timestamp})|(?:%{TIMESTAMP_ISO8601:timestamp}))\s*%{HOSTNAME:[observer][hostname]}.*?%{SFW2_LOG_PREFIX:[suse][firewall][log_prefix]}\s*%{IPTABLES}
#== End SuSE ==