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%YAML 1.1
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---
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vars:
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address-groups:
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# Note: original site-specific HOME_NET redacted, it contained 2x/16s, 1x/48 plus the below RFC1918 prefixes
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HOME_NET: "[192.168.0.0/16,10.0.0.0/8,172.16.0.0/12"
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EXTERNAL_NET: "!$HOME_NET"
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HTTP_SERVERS: "$HOME_NET"
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SMTP_SERVERS: "$HOME_NET"
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SQL_SERVERS: "$HOME_NET"
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DNS_SERVERS: "$HOME_NET"
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TELNET_SERVERS: "$HOME_NET"
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AIM_SERVERS: "$EXTERNAL_NET"
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DC_SERVERS: "$HOME_NET"
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DNP3_SERVER: "$HOME_NET"
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DNP3_CLIENT: "$HOME_NET"
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MODBUS_CLIENT: "$HOME_NET"
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MODBUS_SERVER: "$HOME_NET"
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ENIP_CLIENT: "$HOME_NET"
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ENIP_SERVER: "$HOME_NET"
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port-groups:
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HTTP_PORTS: "80"
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SHELLCODE_PORTS: "!80"
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ORACLE_PORTS: 1521
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SSH_PORTS: 22
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DNP3_PORTS: 20000
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MODBUS_PORTS: 502
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FILE_DATA_PORTS: "[$HTTP_PORTS,110,143]"
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FTP_PORTS: 21
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GENEVE_PORTS: 6081
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VXLAN_PORTS: 4789
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TEREDO_PORTS: 3544
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default-log-dir: /var/log/suricata/
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stats:
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enabled: yes
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interval: 8
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decoder-events: true
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decoder-events-prefix: "decoder.event"
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stream-events: true
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outputs:
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- fast:
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enabled: no
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filename: fast.log
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append: yes
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- eve-log:
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enabled: yes
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filetype: regular #regular|syslog|unix_dgram|unix_stream|redis
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filename: eve.json
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pcap-file: true
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community-id: false
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community-id-seed: 0
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xff:
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enabled: no
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mode: extra-data
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deployment: reverse
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header: X-Forwarded-For
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types:
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- alert:
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tagged-packets: yes
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- anomaly:
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enabled: no
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types:
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- http:
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enabled: no
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extended: yes # enable this for extended logging information
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- dns:
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enabled: no
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- tls:
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enabled: no
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extended: yes # enable this for extended logging information
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- files:
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enabled: no
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force-magic: no # force logging magic on all logged files
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- smtp:
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enabled: no
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- dhcp:
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enabled: no
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enabled: yes
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extended: no
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- mqtt:
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enabled: no
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- stats:
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enabled: yes
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totals: yes # stats for all threads merged together
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threads: yes # per thread stats
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deltas: yes # include delta values
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- http-log:
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enabled: no
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filename: http.log
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append: yes
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- tls-log:
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enabled: no # Log TLS connections.
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filename: tls.log # File to store TLS logs.
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append: yes
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- tls-store:
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enabled: no
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- pcap-log:
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enabled: no
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filename: log.pcap
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limit: 1000mb
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max-files: 2000
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compression: none
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mode: normal # normal, multi or sguil.
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use-stream-depth: no #If set to "yes" packets seen after reaching stream inspection depth are ignored. "no" logs all packets
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honor-pass-rules: no # If set to "yes", flows in which a pass rule matched will stop being logged.
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- alert-debug:
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enabled: no
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filename: alert-debug.log
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append: yes
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- alert-prelude:
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enabled: no
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profile: suricata
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log-packet-content: no
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log-packet-header: yes
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- stats:
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enabled: no
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filename: stats.log
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append: yes # append to file (yes) or overwrite it (no)
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totals: yes # stats for all threads merged together
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threads: no # per thread stats
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- syslog:
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enabled: no
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facility: local5
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- file-store:
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version: 2
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enabled: no
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xff:
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enabled: no
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mode: extra-data
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deployment: reverse
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header: X-Forwarded-For
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- tcp-data:
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enabled: no
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type: file
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filename: tcp-data.log
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- http-body-data:
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enabled: no
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type: file
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filename: http-data.log
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- lua:
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enabled: no
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scripts:
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logging:
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default-log-level: notice
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default-output-filter:
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outputs:
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- console:
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enabled: yes
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- file:
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enabled: yes
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level: info
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filename: suricata.log
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- syslog:
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enabled: no
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facility: local5
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format: "[%i] <%d> -- "
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af-packet:
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- interface: eth0
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cluster-id: 99
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cluster-type: cluster_flow
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defrag: yes
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- interface: default
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pcap:
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- interface: eth0
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- interface: default
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pcap-file:
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checksum-checks: auto
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app-layer:
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protocols:
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rfb:
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enabled: yes
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detection-ports:
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dp: 5900, 5901, 5902, 5903, 5904, 5905, 5906, 5907, 5908, 5909
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mqtt:
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enabled: yes
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krb5:
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enabled: yes
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snmp:
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enabled: yes
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ikev2:
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enabled: yes
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tls:
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enabled: yes
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detection-ports:
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dp: 443
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dcerpc:
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enabled: yes
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ftp:
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enabled: yes
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rdp:
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enabled: yes
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ssh:
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enabled: yes
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http2:
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enabled: no
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http1-rules: no
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smtp:
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enabled: yes
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raw-extraction: no
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mime:
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decode-mime: yes
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decode-base64: yes
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decode-quoted-printable: yes
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header-value-depth: 2000
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extract-urls: yes
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body-md5: no
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inspected-tracker:
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content-limit: 100000
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content-inspect-min-size: 32768
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content-inspect-window: 4096
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imap:
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enabled: detection-only
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smb:
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enabled: yes
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detection-ports:
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dp: 139, 445
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nfs:
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enabled: yes
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tftp:
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enabled: yes
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dns:
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tcp:
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enabled: yes
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detection-ports:
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dp: 53
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udp:
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enabled: yes
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detection-ports:
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dp: 53
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http:
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enabled: yes
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libhtp:
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default-config:
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personality: IDS
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request-body-limit: 100kb
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response-body-limit: 100kb
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request-body-minimal-inspect-size: 32kb
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request-body-inspect-window: 4kb
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response-body-minimal-inspect-size: 40kb
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response-body-inspect-window: 16kb
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response-body-decompress-layer-limit: 2
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http-body-inline: auto
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swf-decompression:
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enabled: yes
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type: both
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compress-depth: 100kb
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decompress-depth: 100kb
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double-decode-path: no
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double-decode-query: no
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server-config:
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modbus:
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enabled: no
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detection-ports:
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dp: 502
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stream-depth: 0
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dnp3:
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enabled: no
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detection-ports:
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dp: 20000
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enip:
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enabled: no
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detection-ports:
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dp: 44818
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sp: 44818
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ntp:
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enabled: yes
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dhcp:
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enabled: yes
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sip:
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enabled: yes
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asn1-max-frames: 256
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coredump:
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max-dump: unlimited
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host-mode: auto
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unix-command:
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enabled: auto
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legacy:
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uricontent: enabled
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engine-analysis:
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rules-fast-pattern: yes
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rules: yes
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pcre:
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match-limit: 3500
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match-limit-recursion: 1500
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host-os-policy:
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windows: [0.0.0.0/0]
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bsd: []
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bsd-right: []
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old-linux: []
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linux: []
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old-solaris: []
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solaris: []
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hpux10: []
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hpux11: []
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irix: []
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macos: []
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vista: []
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windows2k3: []
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defrag:
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memcap: 32mb
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hash-size: 65536
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trackers: 65535 # number of defragmented flows to follow
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max-frags: 65535 # number of fragments to keep (higher than trackers)
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prealloc: yes
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timeout: 60
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flow:
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memcap: 20gb
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hash-size: 131072
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prealloc: 10000
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emergency-recovery: 30
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managers: 2 # default to one flow manager
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recyclers: 2 # default to one flow recycler thread
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vlan:
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use-for-tracking: true
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flow-timeouts:
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default:
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new: 30
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established: 300
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closed: 0
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bypassed: 100
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emergency-new: 10
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emergency-established: 100
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emergency-closed: 0
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emergency-bypassed: 50
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tcp:
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new: 60
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established: 600
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closed: 60
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bypassed: 100
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emergency-new: 5
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emergency-established: 100
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emergency-closed: 10
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emergency-bypassed: 50
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udp:
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new: 30
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established: 300
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bypassed: 100
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emergency-new: 10
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emergency-established: 100
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emergency-bypassed: 50
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icmp:
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new: 30
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established: 300
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bypassed: 100
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emergency-new: 10
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emergency-established: 100
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emergency-bypassed: 50
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stream:
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memcap: 4gb
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checksum-validation: no # reject incorrect csums
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inline: auto # auto will use inline mode in IPS mode, yes or no set it statically
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reassembly:
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memcap: 12gb
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depth: 1mb # reassemble 1mb into a stream
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toserver-chunk-size: 2560
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toclient-chunk-size: 2560
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randomize-chunk-size: yes
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host:
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hash-size: 4096
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prealloc: 1000
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memcap: 32mb
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decoder:
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teredo:
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enabled: true
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ports: $TEREDO_PORTS # syntax: '[3544, 1234]' or '3533' or 'any'.
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vxlan:
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enabled: true
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ports: $VXLAN_PORTS # syntax: '[8472, 4789]' or '4789'.
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vntag:
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enabled: false
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geneve:
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enabled: true
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ports: $GENEVE_PORTS # syntax: '[6081, 1234]' or '6081'.
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detect:
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profile: medium
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custom-values:
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toclient-groups: 3
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toserver-groups: 25
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sgh-mpm-context: auto
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inspection-recursion-limit: 3000
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prefilter:
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default: mpm
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grouping:
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profiling:
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grouping:
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dump-to-disk: false
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include-rules: false # very verbose
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include-mpm-stats: false
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mpm-algo: auto
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spm-algo: auto
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threading:
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set-cpu-affinity: yes
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cpu-affinity:
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- management-cpu-set:
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cpu: [ 1-21,88-109 ] # include only these CPUs in affinity settings
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- receive-cpu-set:
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cpu: [ 1-21,88-109 ] # include only these CPUs in affinity settings
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- worker-cpu-set:
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cpu: [ 1-21,88-109 ]
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mode: "balanced"
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threads: 4
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detect-thread-ratio: 1.0
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luajit:
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states: 128
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profiling:
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rules:
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enabled: yes
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filename: rule_perf.log
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append: yes
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limit: 100000
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json: yes
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keywords:
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enabled: yes
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filename: keyword_perf.log
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append: yes
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prefilter:
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enabled: yes
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filename: prefilter_perf.log
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append: yes
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rulegroups:
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enabled: yes
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filename: rule_group_perf.log
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append: yes
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packets:
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enabled: yes
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filename: packet_stats.log
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append: yes
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csv:
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enabled: no
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filename: packet_stats.csv
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locks:
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enabled: no
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filename: lock_stats.log
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append: yes
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pcap-log:
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enabled: no
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filename: pcaplog_stats.log
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append: yes
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nfq:
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nflog:
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- group: 2
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buffer-size: 18432
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- group: default
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qthreshold: 1
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qtimeout: 100
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max-size: 20000
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capture:
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netmap:
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- interface: eth2
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- interface: default
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pfring:
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- interface: eth0
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threads: auto
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cluster-id: 99
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cluster-type: cluster_flow
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- interface: default
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ipfw:
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napatech:
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streams: ["0-3"]
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enable-stream-stats: no
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auto-config: yes
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hardware-bypass: yes
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inline: no
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ports: [0-1,2-3]
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hashmode: hash5tuplesorted
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default-rule-path: /var/lib/suricata/rules
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rule-files:
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- suricata.rules
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classification-file: /etc/suricata/classification.config
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reference-config-file: /etc/suricata/reference.config
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