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%YAML 1.1
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---
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# Suricata configuration file. In addition to the comments describing all
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# options in this file, full documentation can be found at:
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# https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Suricatayaml
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##
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## Step 1: inform Suricata about your network
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##
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vars:
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# more specifc is better for alert accuracy and performance
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address-groups:
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HOME_NET: "[]"
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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: "$EXTERNAL_NET"
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DNP3_SERVER: "$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: "$HOME_NET"
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port-groups:
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HTTP_PORTS: "80,8080"
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SHELLCODE_PORTS: "!80"
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ORACLE_PORTS: 1521
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SSH_PORTS: 22
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DNP3_PORTS: 20000
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MODBUS_PORTS: 502
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FILE_DATA_PORTS: "[$HTTP_PORTS,110,143]"
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FTP_PORTS: 21
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SERVER_PORTS: "21,22,23,80,81,443,591,901,1533,3128,8000,8080,8081,8443"
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##
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## Step 2: select the rules to enable or disable
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##
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default-rule-path: /etc/suricata/rules
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rule-files:
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- etpro/exploit.rules
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- etpro/malware.rules
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- etpro/mobile_malware.rules
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- etpro/scan.rules
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- etpro/trojan.rules
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- etpro/worm.rules
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- etpro/current_events.rules
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- etpro/user_agents.rules
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- etpro/web_server.rules
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- custom.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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# threshold-file: /etc/suricata/threshold.config
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##
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## Step 3: select outputs to enable
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##
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# The default logging directory. Any log or output file will be
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# placed here if its not specified with a full path name. This can be
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# overridden with the -l command line parameter.
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default-log-dir: /var/log/suricata/
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# global stats configuration
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stats:
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enabled: yes
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# The interval field (in seconds) controls at what interval
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# the loggers are invoked.
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interval: 8
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# Configure the type of alert (and other) logging you would like.
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outputs:
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# a line based alerts log similar to Snort's fast.log
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- fast:
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enabled: yes
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filename: fast.log
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append: yes
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#filetype: regular # 'regular', 'unix_stream' or 'unix_dgram'
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# Extensible Event Format (nicknamed EVE) event log in JSON format
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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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filename: eve-%y-%m-%d-%H-%M.json
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rotate-interval: 30m
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types:
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- dns:
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query: yes # enable logging of DNS queries
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answer: yes # enable logging of DNS answers
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# a full alerts log containing much information for signature writers
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# or for investigating suspected false positives.
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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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#filetype: regular # 'regular', 'unix_stream' or 'unix_dgram'
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# Stats.log contains data from various counters of the suricata engine.
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- stats:
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enabled: yes
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filename: stats.log
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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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#null-values: yes # print counters that have value 0
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# a line based alerts log similar to fast.log into syslog
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- syslog:
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enabled: no
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# reported identity to syslog. If ommited the program name (usually
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# suricata) will be used.
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#identity: "suricata"
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facility: local5
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#level: Info ## possible levels: Emergency, Alert, Critical,
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## Error, Warning, Notice, Info, Debug
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# Logging configuration. This is not about logging IDS alerts/events, but
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# output about what Suricata is doing, like startup messages, errors, etc.
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logging:
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# The default log level, can be overridden in an output section.
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# Note that debug level logging will only be emitted if Suricata was
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# compiled with the --enable-debug configure option.
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#
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# This value is overriden by the SC_LOG_LEVEL env var.
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default-log-level: notice
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# The default output format. Optional parameter, should default to
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# something reasonable if not provided. Can be overriden in an
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# output section. You can leave this out to get the default.
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#
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# This value is overriden by the SC_LOG_FORMAT env var.
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#default-log-format: "[%i] %t - (%f:%l) <%d> (%n) -- "
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# A regex to filter output. Can be overridden in an output section.
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# Defaults to empty (no filter).
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#
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# This value is overriden by the SC_LOG_OP_FILTER env var.
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default-output-filter:
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# Define your logging outputs. If none are defined, or they are all
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# disabled you will get the default - console output.
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outputs:
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- console:
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enabled: yes
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# type: json
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- file:
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enabled: yes
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level: info
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filename: /var/log/suricata/suricata.log
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# type: json
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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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# type: json
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##
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## Step 5: App Layer Protocol Configuration
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##
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# Configure the app-layer parsers. The protocols section details each
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# protocol.
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#
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# The option "enabled" takes 3 values - "yes", "no", "detection-only".
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# "yes" enables both detection and the parser, "no" disables both, and
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# "detection-only" enables protocol detection only (parser disabled).
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app-layer:
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protocols:
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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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# Completely stop processing TLS/SSL session after the handshake
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# completed. If bypass is enabled this will also trigger flow
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# bypass. If disabled (the default), TLS/SSL session is still
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# tracked for Heartbleed and other anomalies.
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#no-reassemble: yes
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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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ssh:
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enabled: yes
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imap:
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enabled: detection-only
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msn:
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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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dns:
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# memcaps. Globally and per flow/state.
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#global-memcap: 16mb
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#state-memcap: 512kb
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# How many unreplied DNS requests are considered a flood.
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# If the limit is reached, app-layer-event:dns.flooded; will match.
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#request-flood: 500
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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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memcap: 4gb
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# memcap: 64mb
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# default-config: Used when no server-config matches
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# personality: List of personalities used by default
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# request-body-limit: Limit reassembly of request body for inspection
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# by http_client_body & pcre /P option.
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# response-body-limit: Limit reassembly of response body for inspection
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# by file_data, http_server_body & pcre /Q option.
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# double-decode-path: Double decode path section of the URI
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# double-decode-query: Double decode query section of the URI
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# response-body-decompress-layer-limit:
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# Limit to how many layers of compression will be
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# decompressed. Defaults to 2.
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#
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# server-config: List of server configurations to use if address matches
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# address: List of ip addresses or networks for this block
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# personalitiy: List of personalities used by this block
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# request-body-limit: Limit reassembly of request body for inspection
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# by http_client_body & pcre /P option.
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# response-body-limit: Limit reassembly of response body for inspection
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# by file_data, http_server_body & pcre /Q option.
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# double-decode-path: Double decode path section of the URI
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# double-decode-query: Double decode query section of the URI
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#
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# uri-include-all: Include all parts of the URI. By default the
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# 'scheme', username/password, hostname and port
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# are excluded. Setting this option to true adds
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# all of them to the normalized uri as inspected
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# by http_uri, urilen, pcre with /U and the other
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# keywords that inspect the normalized uri.
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# Note that this does not affect http_raw_uri.
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# Also, note that including all was the default in
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# 1.4 and 2.0beta1.
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#
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# meta-field-limit: Hard size limit for request and response size
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# limits. Applies to request line and headers,
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# response line and headers. Does not apply to
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# request or response bodies. Default is 18k.
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# If this limit is reached an event is raised.
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#
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# Currently Available Personalities:
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# Minimal, Generic, IDS (default), IIS_4_0, IIS_5_0, IIS_5_1, IIS_6_0,
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# IIS_7_0, IIS_7_5, Apache_2
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libhtp:
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default-config:
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personality: IDS
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# Can be specified in kb, mb, gb. Just a number indicates
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# it's in bytes.
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request-body-limit: 12mb
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response-body-limit: 12mb
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# inspection limits
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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 decompression (0 disables)
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response-body-decompress-layer-limit: 2
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# auto will use http-body-inline mode in IPS mode, yes or no set it statically
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http-body-inline: auto
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# Take a random value for inspection sizes around the specified value.
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# This lower the risk of some evasion technics but could lead
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# detection change between runs. It is set to 'yes' by default.
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#randomize-inspection-sizes: yes
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# If randomize-inspection-sizes is active, the value of various
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# inspection size will be choosen in the [1 - range%, 1 + range%]
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# range
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# Default value of randomize-inspection-range is 10.
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#randomize-inspection-range: 10
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# decoding
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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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- apache:
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address: []
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personality: Apache_2
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# # Can be specified in kb, mb, gb. Just a number indicates
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# # it's in bytes.
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request-body-limit: 4096
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response-body-limit: 4096
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# Limit for the maximum number of asn1 frames to decode (default 256)
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asn1-max-frames: 256
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##############################################################################
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##
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## Advanced settings below
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##
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##############################################################################
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##
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## Run Options
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##
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# Run suricata as user and group.
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#run-as:
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# user: suri
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# group: suri
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# Some logging module will use that name in event as identifier. The default
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# value is the hostname
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#sensor-name: suricata
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# Default location of the pid file. The pid file is only used in
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# daemon mode (start Suricata with -D). If not running in daemon mode
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# the --pidfile command line option must be used to create a pid file.
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#pid-file: /var/run/suricata.pid
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# Daemon working directory
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# Suricata will change directory to this one if provided
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# Default: "/"
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#daemon-directory: "/"
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# Suricata core dump configuration. Limits the size of the core dump file to
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# approximately max-dump. The actual core dump size will be a multiple of the
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# page size. Core dumps that would be larger than max-dump are truncated. On
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# Linux, the actual core dump size may be a few pages larger than max-dump.
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# Setting max-dump to 0 disables core dumping.
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# Setting max-dump to 'unlimited' will give the full core dump file.
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# On 32-bit Linux, a max-dump value >= ULONG_MAX may cause the core dump size
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# to be 'unlimited'.
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coredump:
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max-dump: unlimited
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# If suricata box is a router for the sniffed networks, set it to 'router'. If
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# it is a pure sniffing setup, set it to 'sniffer-only'.
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# If set to auto, the variable is internally switch to 'router' in IPS mode
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# and 'sniffer-only' in IDS mode.
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# This feature is currently only used by the reject* keywords.
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host-mode: sniffer-only
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# Number of packets preallocated per thread. The default is 1024. A higher number
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# will make sure each CPU will be more easily kept busy, but may negatively
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# impact caching.
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#
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# If you are using the CUDA pattern matcher (mpm-algo: ac-cuda), different rules
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# apply. In that case try something like 60000 or more. This is because the CUDA
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# pattern matcher buffers and scans as many packets as possible in parallel.
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max-pending-packets: 10000
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# Runmode the engine should use. Please check --list-runmodes to get the available
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# runmodes for each packet acquisition method. Defaults to "autofp" (auto flow pinned
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# load balancing).
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runmode: workers
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# Specifies the kind of flow load balancer used by the flow pinned autofp mode.
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#
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# Supported schedulers are:
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#
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# round-robin - Flows assigned to threads in a round robin fashion.
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# active-packets - Flows assigned to threads that have the lowest number of
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# unprocessed packets (default).
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# hash - Flow alloted usihng the address hash. More of a random
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# technique. Was the default in Suricata 1.2.1 and older.
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#
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autofp-scheduler: active-packets
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# Preallocated size for packet. Default is 1514 which is the classical
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# size for pcap on ethernet. You should adjust this value to the highest
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# packet size (MTU + hardware header) on your system.
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default-packet-size: 9018
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# Unix command socket can be used to pass commands to suricata.
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# An external tool can then connect to get information from suricata
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# or trigger some modifications of the engine. Set enabled to yes
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# to activate the feature. In auto mode, the feature will only be
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# activated in live capture mode. You can use the filename variable to set
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# the file name of the socket.
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unix-command:
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enabled: no
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# enabled: auto
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#filename: custom.socket
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# Magic file. The extension .mgc is added to the value here.
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#magic-file: /usr/share/file/magic
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#magic-file:
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legacy:
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uricontent: enabled
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##
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## Detection settings
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##
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# Set the order of alerts bassed on actions
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# The default order is pass, drop, reject, alert
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# action-order:
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# - pass
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# - drop
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# - reject
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# - alert
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# IP Reputation
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#reputation-categories-file: /etc/suricata/iprep/categories.txt
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#default-reputation-path: /etc/suricata/iprep
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#reputation-files:
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# - reputation.list
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# When run with the option --engine-analysis, the engine will read each of
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# the parameters below, and print reports for each of the enabled sections
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# and exit. The reports are printed to a file in the default log dir
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# given by the parameter "default-log-dir", with engine reporting
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# subsection below printing reports in its own report file.
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engine-analysis:
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# enables printing reports for fast-pattern for every rule.
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rules-fast-pattern: yes
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# enables printing reports for each rule
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rules: yes
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#recursion and match limits for PCRE where supported
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pcre:
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match-limit: 3500
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match-limit-recursion: 1500
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##
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## Advanced Traffic Tracking and Reconstruction Settings
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##
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# Host specific policies for defragmentation and TCP stream
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# reassembly. The host OS lookup is done using a radix tree, just
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# like a routing table so the most specific entry matches.
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host-os-policy:
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# Make the default policy windows.
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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 settings:
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defrag:
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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: 10
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# Enable defrag per host settings
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# host-config:
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#
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# - dmz:
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# timeout: 30
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# address: [192.168.1.0/24, 127.0.0.0/8, 1.1.1.0/24, 2.2.2.0/24, "1.1.1.1", "2.2.2.2", "::1"]
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#
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# - lan:
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# timeout: 45
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# address:
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# - 192.168.0.0/24
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# - 192.168.10.0/24
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# - 172.16.14.0/24
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# Flow settings:
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# By default, the reserved memory (memcap) for flows is 32MB. This is the limit
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# for flow allocation inside the engine. You can change this value to allow
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# more memory usage for flows.
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# The hash-size determine the size of the hash used to identify flows inside
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# the engine, and by default the value is 65536.
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# At the startup, the engine can preallocate a number of flows, to get a better
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# performance. The number of flows preallocated is 10000 by default.
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# emergency-recovery is the percentage of flows that the engine need to
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# prune before unsetting the emergency state. The emergency state is activated
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# when the memcap limit is reached, allowing to create new flows, but
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# prunning them with the emergency timeouts (they are defined below).
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# If the memcap is reached, the engine will try to prune flows
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# with the default timeouts. If it doens't find a flow to prune, it will set
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# the emergency bit and it will try again with more agressive timeouts.
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# If that doesn't work, then it will try to kill the last time seen flows
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# not in use.
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# The memcap can be specified in kb, mb, gb. Just a number indicates it's
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# in bytes.
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flow:
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memcap: 1gb
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hash-size: 1048576
|
|
prealloc: 1048576
|
|
prune-flows: 50000
|
|
emergency-recovery: 30
|
|
managers: 10
|
|
#recyclers: 1 # default to one flow recycler thread
|
|
|
|
# This option controls the use of vlan ids in the flow (and defrag)
|
|
# hashing. Normally this should be enabled, but in some (broken)
|
|
# setups where both sides of a flow are not tagged with the same vlan
|
|
# tag, we can ignore the vlan id's in the flow hashing.
|
|
vlan:
|
|
use-for-tracking: false
|
|
|
|
# Specific timeouts for flows. Here you can specify the timeouts that the
|
|
# active flows will wait to transit from the current state to another, on each
|
|
# protocol. The value of "new" determine the seconds to wait after a hanshake or
|
|
# stream startup before the engine free the data of that flow it doesn't
|
|
# change the state to established (usually if we don't receive more packets
|
|
# of that flow). The value of "established" is the amount of
|
|
# seconds that the engine will wait to free the flow if it spend that amount
|
|
# without receiving new packets or closing the connection. "closed" is the
|
|
# amount of time to wait after a flow is closed (usually zero). "bypassed"
|
|
# timeout controls locally bypassed flows. For these flows we don't do any other
|
|
# tracking. If no packets have been seen after this timeout, the flow is discarded.
|
|
#
|
|
# There's an emergency mode that will become active under attack circumstances,
|
|
# making the engine to check flow status faster. This configuration variables
|
|
# use the prefix "emergency-" and work similar as the normal ones.
|
|
# Some timeouts doesn't apply to all the protocols, like "closed", for udp and
|
|
# icmp.
|
|
|
|
flow-timeouts:
|
|
|
|
default:
|
|
new: 3
|
|
established: 300
|
|
closed: 0
|
|
emergency-new: 10
|
|
emergency-established: 10
|
|
emergency-closed: 0
|
|
tcp:
|
|
new: 6
|
|
established: 100
|
|
closed: 12
|
|
emergency-new: 1
|
|
emergency-established: 5
|
|
emergency-closed: 2
|
|
udp:
|
|
new: 3
|
|
established: 30
|
|
emergency-new: 3
|
|
emergency-established: 10
|
|
icmp:
|
|
new: 3
|
|
established: 30
|
|
emergency-new: 1
|
|
emergency-established: 10
|
|
|
|
# Stream engine settings. Here the TCP stream tracking and reassembly
|
|
# engine is configured.
|
|
#
|
|
# stream:
|
|
# memcap: 32mb # Can be specified in kb, mb, gb. Just a
|
|
# # number indicates it's in bytes.
|
|
# checksum-validation: yes # To validate the checksum of received
|
|
# # packet. If csum validation is specified as
|
|
# # "yes", then packet with invalid csum will not
|
|
# # be processed by the engine stream/app layer.
|
|
# # Warning: locally generated trafic can be
|
|
# # generated without checksum due to hardware offload
|
|
# # of checksum. You can control the handling of checksum
|
|
# # on a per-interface basis via the 'checksum-checks'
|
|
# # option
|
|
# prealloc-sessions: 2k # 2k sessions prealloc'd per stream thread
|
|
# midstream: false # don't allow midstream session pickups
|
|
# async-oneside: false # don't enable async stream handling
|
|
# inline: no # stream inline mode
|
|
# drop-invalid: yes # in inline mode, drop packets that are invalid with regards to streaming engine
|
|
# max-synack-queued: 5 # Max different SYN/ACKs to queue
|
|
# bypass: no # Bypass packets when stream.depth is reached
|
|
#
|
|
# reassembly:
|
|
# memcap: 64mb # Can be specified in kb, mb, gb. Just a number
|
|
# # indicates it's in bytes.
|
|
# depth: 1mb # Can be specified in kb, mb, gb. Just a number
|
|
# # indicates it's in bytes.
|
|
# toserver-chunk-size: 2560 # inspect raw stream in chunks of at least
|
|
# # this size. Can be specified in kb, mb,
|
|
# # gb. Just a number indicates it's in bytes.
|
|
# toclient-chunk-size: 2560 # inspect raw stream in chunks of at least
|
|
# # this size. Can be specified in kb, mb,
|
|
# # gb. Just a number indicates it's in bytes.
|
|
# randomize-chunk-size: yes # Take a random value for chunk size around the specified value.
|
|
# # This lower the risk of some evasion technics but could lead
|
|
# # detection change between runs. It is set to 'yes' by default.
|
|
# randomize-chunk-range: 10 # If randomize-chunk-size is active, the value of chunk-size is
|
|
# # a random value between (1 - randomize-chunk-range/100)*toserver-chunk-size
|
|
# # and (1 + randomize-chunk-range/100)*toserver-chunk-size and the same
|
|
# # calculation for toclient-chunk-size.
|
|
# # Default value of randomize-chunk-range is 10.
|
|
#
|
|
# raw: yes # 'Raw' reassembly enabled or disabled.
|
|
# # raw is for content inspection by detection
|
|
# # engine.
|
|
#
|
|
# segment-prealloc: 2048 # number of segments preallocated per thread
|
|
#
|
|
# check-overlap-different-data: true|false
|
|
# # check if a segment contains different data
|
|
# # than what we've already seen for that
|
|
# # position in the stream.
|
|
# # This is enabled automatically if inline mode
|
|
# # is used or when stream-event:reassembly_overlap_different_data;
|
|
# # is used in a rule.
|
|
#
|
|
stream:
|
|
memcap: 12gb
|
|
checksum-validation: no
|
|
prealloc-session: 1000000
|
|
inline: no # auto will use inline mode in IPS mode, yes or no set it statically
|
|
bypass: yes
|
|
midstream: true
|
|
asyn-oneside:true
|
|
reassembly:
|
|
memcap: 20gb
|
|
depth: 12mb
|
|
toserver-chunk-size: 2560
|
|
toclient-chunk-size: 2560
|
|
randomize-chunk-size: yes
|
|
chunk-prealloc: 303360
|
|
|
|
# Host table:
|
|
#
|
|
# Host table is used by tagging and per host thresholding subsystems.
|
|
#
|
|
host:
|
|
hash-size: 4096
|
|
prealloc: 1000
|
|
memcap: 16777216
|
|
|
|
detect:
|
|
- profile: custom
|
|
- custom-values:
|
|
toclient-sp-groups: 200
|
|
toclient-dp-groups: 300
|
|
toserver-src-groups: 200
|
|
toserver-dst-groups: 400
|
|
toserver-sp-groups: 200
|
|
toserver-dp-groups: 250
|
|
- sgh-mpm-context: auto
|
|
- inspection-recursion-limit: 3000
|
|
# When rule-reload is enabled, sending a USR2 signal to the Suricata process
|
|
# will trigger a live rule reload. Experimental feature, use with care.
|
|
# - rule-reload: true
|
|
|
|
# Select the multi pattern algorithm you want to run for scan/search the
|
|
# in the engine.
|
|
#
|
|
# The supported algorithms are:
|
|
# "ac" - Aho-Corasick, default implementation
|
|
# "ac-bs" - Aho-Corasick, reduced memory implementation
|
|
# "ac-cuda" - Aho-Corasick, CUDA implementation
|
|
# "ac-ks" - Aho-Corasick, "Ken Steele" variant
|
|
# "hs" - Hyperscan, available when built with Hyperscan support
|
|
#
|
|
# The default mpm-algo value of "auto" will use "hs" if Hyperscan is
|
|
# available, "ac" otherwise.
|
|
#
|
|
# The mpm you choose also decides the distribution of mpm contexts for
|
|
# signature groups, specified by the conf - "detect.sgh-mpm-context".
|
|
# Selecting "ac" as the mpm would require "detect.sgh-mpm-context"
|
|
# to be set to "single", because of ac's memory requirements, unless the
|
|
# ruleset is small enough to fit in one's memory, in which case one can
|
|
# use "full" with "ac". Rest of the mpms can be run in "full" mode.
|
|
#
|
|
# There is also a CUDA pattern matcher (only available if Suricata was
|
|
# compiled with --enable-cuda: b2g_cuda. Make sure to update your
|
|
# max-pending-packets setting above as well if you use b2g_cuda.
|
|
|
|
mpm-algo: hs
|
|
|
|
# Select the matching algorithm you want to use for single-pattern searches.
|
|
#
|
|
# Supported algorithms are "bm" (Boyer-Moore) and "hs" (Hyperscan, only
|
|
# available if Suricata has been built with Hyperscan support).
|
|
#
|
|
# The default of "auto" will use "hs" if available, otherwise "bm".
|
|
|
|
spm-algo: hs
|
|
|
|
# Suricata is multi-threaded. Here the threading can be influenced.
|
|
threading:
|
|
set-cpu-affinity: yes
|
|
# Tune cpu affinity of threads. Each family of threads can be bound
|
|
# on specific CPUs.
|
|
#
|
|
# These 2 apply to the all runmodes:
|
|
# management-cpu-set is used for flow timeout handling, counters
|
|
# worker-cpu-set is used for 'worker' threads
|
|
#
|
|
# Additionally, for autofp these apply:
|
|
# receive-cpu-set is used for capture threads
|
|
# verdict-cpu-set is used for IPS verdict threads
|
|
#
|
|
cpu-affinity:
|
|
- management-cpu-set:
|
|
cpu: [ 1,21 ] # include only these cpus in affinity settings
|
|
mode: "balanced"
|
|
prio:
|
|
default: "low"
|
|
- worker-cpu-set:
|
|
cpu: [ 5,7,9,11,13,15,17,19,23,25,27,29,31,33,35,37,39 ]
|
|
mode: "exclusive"
|
|
# Use explicitely 3 threads and don't compute number by using
|
|
# detect-thread-ratio variable:
|
|
# threads: 3
|
|
prio:
|
|
default: "high"
|
|
|
|
#
|
|
# By default Suricata creates one "detect" thread per available CPU/CPU core.
|
|
# This setting allows controlling this behaviour. A ratio setting of 2 will
|
|
# create 2 detect threads for each CPU/CPU core. So for a dual core CPU this
|
|
# will result in 4 detect threads. If values below 1 are used, less threads
|
|
# are created. So on a dual core CPU a setting of 0.5 results in 1 detect
|
|
# thread being created. Regardless of the setting at a minimum 1 detect
|
|
# thread will always be created.
|
|
#
|
|
detect-thread-ratio: 1.5
|
|
|
|
# Luajit has a strange memory requirement, it's 'states' need to be in the
|
|
# first 2G of the process' memory.
|
|
#
|
|
# 'luajit.states' is used to control how many states are preallocated.
|
|
# State use: per detect script: 1 per detect thread. Per output script: 1 per
|
|
# script.
|
|
luajit:
|
|
states: 128
|
|
|
|
# Profiling settings. Only effective if Suricata has been built with the
|
|
# the --enable-profiling configure flag.
|
|
#
|
|
profiling:
|
|
# Run profiling for every xth packet. The default is 1, which means we
|
|
# profile every packet. If set to 1000, one packet is profiled for every
|
|
# 1000 received.
|
|
#sample-rate: 1000
|
|
|
|
# rule profiling
|
|
rules:
|
|
|
|
# Profiling can be disabled here, but it will still have a
|
|
# performance impact if compiled in.
|
|
enabled: no
|
|
filename: rule_perf.log
|
|
append: yes
|
|
|
|
# Sort options: ticks, avgticks, checks, matches, maxticks
|
|
# If commented out all the sort options will be used.
|
|
sort: avgticks
|
|
|
|
# Limit the number of sids for which stats are shown at exit (per sort).
|
|
limit: 100
|
|
|
|
# output to json
|
|
json: yes
|
|
|
|
# packet profiling
|
|
packets:
|
|
|
|
# Profiling can be disabled here, but it will still have a
|
|
# performance impact if compiled in.
|
|
enabled: no
|
|
filename: packet_stats.log
|
|
append: yes
|
|
|
|
napatech:
|
|
# The Host Buffer Allowance for all streams
|
|
# (-1 = OFF, 1 - 100 = percentage of the host buffer that can be held back)
|
|
# This may be enabled when sharing streams with another application.
|
|
# Otherwise, it should be turned off.
|
|
hba: -1
|
|
|
|
# use_all_streams set to "yes" will query the Napatech service for all configured
|
|
# streams and listen on all of them. When set to "no" the streams config array
|
|
# will be used.
|
|
use-all-streams: no
|
|
streams: [0-16]
|
|
|
|
##
|
|
## Include other configs
|
|
##
|
|
|
|
# Includes. Files included here will be handled as if they were
|
|
# inlined in this configuration file.
|
|
#include: include1.yaml
|
|
#include: include2.yaml
|