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author | Jason M. Bills <jason.m.bills@linux.intel.com> | 2021-05-24 22:35:24 +0300 |
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committer | Jason M. Bills <jason.m.bills@linux.intel.com> | 2021-05-24 22:35:24 +0300 |
commit | 0e0df451ae365f09d5c0c766b253f23de26901f2 (patch) | |
tree | db4d7d3ce85e02ee01ad58a86ede02ac876aae77 /meta-security/dynamic-layers/meta-rust/recipes-ids/suricata/files/suricata.yaml | |
parent | e370fd750e2821620ec427f26f8efab0069824ff (diff) | |
parent | 7e10dee74964afa47859704886128dd256acf854 (diff) | |
download | openbmc-0e0df451ae365f09d5c0c766b253f23de26901f2.tar.xz |
Merge tag '0.52' of ssh://git-amr-1.devtools.intel.com:29418/openbmc-openbmc into update
Diffstat (limited to 'meta-security/dynamic-layers/meta-rust/recipes-ids/suricata/files/suricata.yaml')
-rw-r--r-- | meta-security/dynamic-layers/meta-rust/recipes-ids/suricata/files/suricata.yaml | 1326 |
1 files changed, 1326 insertions, 0 deletions
diff --git a/meta-security/dynamic-layers/meta-rust/recipes-ids/suricata/files/suricata.yaml b/meta-security/dynamic-layers/meta-rust/recipes-ids/suricata/files/suricata.yaml new file mode 100644 index 000000000..8d06a2744 --- /dev/null +++ b/meta-security/dynamic-layers/meta-rust/recipes-ids/suricata/files/suricata.yaml @@ -0,0 +1,1326 @@ +%YAML 1.1 +--- + +# Suricata configuration file. In addition to the comments describing all +# options in this file, full documentation can be found at: +# https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Suricatayaml + + +# Number of packets allowed to be processed simultaneously. Default is a +# conservative 1024. A higher number will make sure CPU's/CPU cores will be +# more easily kept busy, but may negatively impact caching. +# +# If you are using the CUDA pattern matcher (mpm-algo: ac-cuda), different rules +# apply. In that case try something like 60000 or more. This is because the CUDA +# pattern matcher buffers and scans as many packets as possible in parallel. +#max-pending-packets: 1024 + +# Runmode the engine should use. Please check --list-runmodes to get the available +# runmodes for each packet acquisition method. Defaults to "autofp" (auto flow pinned +# load balancing). +#runmode: autofp + +# Specifies the kind of flow load balancer used by the flow pinned autofp mode. +# +# Supported schedulers are: +# +# round-robin - Flows assigned to threads in a round robin fashion. +# active-packets - Flows assigned to threads that have the lowest number of +# unprocessed packets (default). +# hash - Flow alloted usihng the address hash. More of a random +# technique. Was the default in Suricata 1.2.1 and older. +# +#autofp-scheduler: active-packets + +# If suricata box is a router for the sniffed networks, set it to 'router'. If +# it is a pure sniffing setup, set it to 'sniffer-only'. +# If set to auto, the variable is internally switch to 'router' in IPS mode +# and 'sniffer-only' in IDS mode. +# This feature is currently only used by the reject* keywords. +host-mode: auto + +# Run suricata as user and group. +#run-as: +# user: suri +# group: suri + +# Default pid file. +# Will use this file if no --pidfile in command options. +#pid-file: /var/run/suricata.pid + +# Daemon working directory +# Suricata will change directory to this one if provided +# Default: "/" +#daemon-directory: "/" + +# Preallocated size for packet. Default is 1514 which is the classical +# size for pcap on ethernet. You should adjust this value to the highest +# packet size (MTU + hardware header) on your system. +#default-packet-size: 1514 + +# The default logging directory. Any log or output file will be +# placed here if its not specified with a full path name. This can be +# overridden with the -l command line parameter. +default-log-dir: /var/log/suricata/ + +# Unix command socket can be used to pass commands to suricata. +# An external tool can then connect to get information from suricata +# or trigger some modifications of the engine. Set enabled to yes +# to activate the feature. You can use the filename variable to set +# the file name of the socket. +unix-command: + enabled: no + #filename: custom.socket + +# Configure the type of alert (and other) logging you would like. +outputs: + + # a line based alerts log similar to Snort's fast.log + - fast: + enabled: yes + filename: fast.log + append: yes + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + + # Extensible Event Format (nicknamed EVE) event log in JSON format + - eve-log: + enabled: yes + type: file #file|syslog|unix_dgram|unix_stream + filename: eve.json + # the following are valid when type: syslog above + #identity: "suricata" + #facility: local5 + #level: Info ## possible levels: Emergency, Alert, Critical, + ## Error, Warning, Notice, Info, Debug + types: + - alert + - http: + extended: yes # enable this for extended logging information + # custom allows additional http fields to be included in eve-log + # the example below adds three additional fields when uncommented + #custom: [Accept-Encoding, Accept-Language, Authorization] + - dns + - tls: + extended: yes # enable this for extended logging information + - files: + force-magic: no # force logging magic on all logged files + force-md5: no # force logging of md5 checksums + #- drop + - ssh + + # alert output for use with Barnyard2 + - unified2-alert: + enabled: yes + filename: unified2.alert + + # File size limit. Can be specified in kb, mb, gb. Just a number + # is parsed as bytes. + #limit: 32mb + + # Sensor ID field of unified2 alerts. + #sensor-id: 0 + + # HTTP X-Forwarded-For support by adding the unified2 extra header that + # will contain the actual client IP address or by overwriting the source + # IP address (helpful when inspecting traffic that is being reversed + # proxied). + xff: + enabled: no + # Two operation modes are available, "extra-data" and "overwrite". Note + # that in the "overwrite" mode, if the reported IP address in the HTTP + # X-Forwarded-For header is of a different version of the packet + # received, it will fall-back to "extra-data" mode. + mode: extra-data + # Header name were the actual IP address will be reported, if more than + # one IP address is present, the last IP address will be the one taken + # into consideration. + header: X-Forwarded-For + + # a line based log of HTTP requests (no alerts) + - http-log: + enabled: yes + filename: http.log + append: yes + #extended: yes # enable this for extended logging information + #custom: yes # enabled the custom logging format (defined by customformat) + #customformat: "%{%D-%H:%M:%S}t.%z %{X-Forwarded-For}i %H %m %h %u %s %B %a:%p -> %A:%P" + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + + # a line based log of TLS handshake parameters (no alerts) + - tls-log: + enabled: no # Log TLS connections. + filename: tls.log # File to store TLS logs. + append: yes + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + #extended: yes # Log extended information like fingerprint + certs-log-dir: certs # directory to store the certificates files + + # a line based log of DNS requests and/or replies (no alerts) + - dns-log: + enabled: no + filename: dns.log + append: yes + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + + # a line based log to used with pcap file study. + # this module is dedicated to offline pcap parsing (empty output + # if used with another kind of input). It can interoperate with + # pcap parser like wireshark via the suriwire plugin. + - pcap-info: + enabled: no + + # Packet log... log packets in pcap format. 2 modes of operation: "normal" + # and "sguil". + # + # In normal mode a pcap file "filename" is created in the default-log-dir, + # or are as specified by "dir". In Sguil mode "dir" indicates the base directory. + # In this base dir the pcaps are created in th directory structure Sguil expects: + # + # $sguil-base-dir/YYYY-MM-DD/$filename.<timestamp> + # + # By default all packets are logged except: + # - TCP streams beyond stream.reassembly.depth + # - encrypted streams after the key exchange + # + - pcap-log: + enabled: no + filename: log.pcap + + # File size limit. Can be specified in kb, mb, gb. Just a number + # is parsed as bytes. + limit: 1000mb + + # If set to a value will enable ring buffer mode. Will keep Maximum of "max-files" of size "limit" + max-files: 2000 + + mode: normal # normal or sguil. + #sguil-base-dir: /nsm_data/ + #ts-format: usec # sec or usec second format (default) is filename.sec usec is filename.sec.usec + use-stream-depth: no #If set to "yes" packets seen after reaching stream inspection depth are ignored. "no" logs all packets + + # a full alerts log containing much information for signature writers + # or for investigating suspected false positives. + - alert-debug: + enabled: no + filename: alert-debug.log + append: yes + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + + # alert output to prelude (http://www.prelude-technologies.com/) only + # available if Suricata has been compiled with --enable-prelude + - alert-prelude: + enabled: no + profile: suricata + log-packet-content: no + log-packet-header: yes + + # Stats.log contains data from various counters of the suricata engine. + # The interval field (in seconds) tells after how long output will be written + # on the log file. + - stats: + enabled: yes + filename: stats.log + interval: 8 + + # a line based alerts log similar to fast.log into syslog + - syslog: + enabled: no + # reported identity to syslog. If ommited the program name (usually + # suricata) will be used. + #identity: "suricata" + facility: local5 + #level: Info ## possible levels: Emergency, Alert, Critical, + ## Error, Warning, Notice, Info, Debug + + # a line based information for dropped packets in IPS mode + - drop: + enabled: no + filename: drop.log + append: yes + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + + # output module to store extracted files to disk + # + # The files are stored to the log-dir in a format "file.<id>" where <id> is + # an incrementing number starting at 1. For each file "file.<id>" a meta + # file "file.<id>.meta" is created. + # + # File extraction depends on a lot of things to be fully done: + # - stream reassembly depth. For optimal results, set this to 0 (unlimited) + # - http request / response body sizes. Again set to 0 for optimal results. + # - rules that contain the "filestore" keyword. + - file-store: + enabled: no # set to yes to enable + log-dir: files # directory to store the files + force-magic: no # force logging magic on all stored files + force-md5: no # force logging of md5 checksums + #waldo: file.waldo # waldo file to store the file_id across runs + + # output module to log files tracked in a easily parsable json format + - file-log: + enabled: no + filename: files-json.log + append: yes + #filetype: regular # 'regular', 'unix_stream' or 'unix_dgram' + + force-magic: no # force logging magic on all logged files + force-md5: no # force logging of md5 checksums + +# Magic file. The extension .mgc is added to the value here. +#magic-file: /usr/share/file/magic +magic-file: /usr/share/misc/magic.mgc + +# When running in NFQ inline mode, it is possible to use a simulated +# non-terminal NFQUEUE verdict. +# This permit to do send all needed packet to suricata via this a rule: +# iptables -I FORWARD -m mark ! --mark $MARK/$MASK -j NFQUEUE +# And below, you can have your standard filtering ruleset. To activate +# this mode, you need to set mode to 'repeat' +# If you want packet to be sent to another queue after an ACCEPT decision +# set mode to 'route' and set next-queue value. +# On linux >= 3.1, you can set batchcount to a value > 1 to improve performance +# by processing several packets before sending a verdict (worker runmode only). +# On linux >= 3.6, you can set the fail-open option to yes to have the kernel +# accept the packet if suricata is not able to keep pace. +nfq: +# mode: accept +# repeat-mark: 1 +# repeat-mask: 1 +# route-queue: 2 +# batchcount: 20 +# fail-open: yes + +#nflog support +nflog: + # netlink multicast group + # (the same as the iptables --nflog-group param) + # Group 0 is used by the kernel, so you can't use it + - group: 2 + # netlink buffer size + buffer-size: 18432 + # put default value here + - group: default + # set number of packet to queue inside kernel + qthreshold: 1 + # set the delay before flushing packet in the queue inside kernel + qtimeout: 100 + # netlink max buffer size + max-size: 20000 + +# af-packet support +# Set threads to > 1 to use PACKET_FANOUT support +af-packet: + - interface: eth0 + # Number of receive threads (>1 will enable experimental flow pinned + # runmode) + threads: 1 + # Default clusterid. AF_PACKET will load balance packets based on flow. + # All threads/processes that will participate need to have the same + # clusterid. + cluster-id: 99 + # Default AF_PACKET cluster type. AF_PACKET can load balance per flow or per hash. + # This is only supported for Linux kernel > 3.1 + # possible value are: + # * cluster_round_robin: round robin load balancing + # * cluster_flow: all packets of a given flow are send to the same socket + # * cluster_cpu: all packets treated in kernel by a CPU are send to the same socket + cluster-type: cluster_flow + # In some fragmentation case, the hash can not be computed. If "defrag" is set + # to yes, the kernel will do the needed defragmentation before sending the packets. + defrag: yes + # To use the ring feature of AF_PACKET, set 'use-mmap' to yes + use-mmap: yes + # Ring size will be computed with respect to max_pending_packets and number + # of threads. You can set manually the ring size in number of packets by setting + # the following value. If you are using flow cluster-type and have really network + # intensive single-flow you could want to set the ring-size independantly of the number + # of threads: + #ring-size: 2048 + # On busy system, this could help to set it to yes to recover from a packet drop + # phase. This will result in some packets (at max a ring flush) being non treated. + #use-emergency-flush: yes + # recv buffer size, increase value could improve performance + # buffer-size: 32768 + # Set to yes to disable promiscuous mode + # disable-promisc: no + # Choose checksum verification mode for the interface. At the moment + # of the capture, some packets may be with an invalid checksum due to + # offloading to the network card of the checksum computation. + # Possible values are: + # - kernel: use indication sent by kernel for each packet (default) + # - yes: checksum validation is forced + # - no: checksum validation is disabled + # - auto: suricata uses a statistical approach to detect when + # checksum off-loading is used. + # Warning: 'checksum-validation' must be set to yes to have any validation + #checksum-checks: kernel + # BPF filter to apply to this interface. The pcap filter syntax apply here. + #bpf-filter: port 80 or udp + # You can use the following variables to activate AF_PACKET tap od IPS mode. + # If copy-mode is set to ips or tap, the traffic coming to the current + # interface will be copied to the copy-iface interface. If 'tap' is set, the + # copy is complete. If 'ips' is set, the packet matching a 'drop' action + # will not be copied. + #copy-mode: ips + #copy-iface: eth1 + - interface: eth1 + threads: 1 + cluster-id: 98 + cluster-type: cluster_flow + defrag: yes + # buffer-size: 32768 + # disable-promisc: no + # Put default values here + - interface: default + #threads: 2 + #use-mmap: yes + +legacy: + uricontent: enabled + +# You can specify a threshold config file by setting "threshold-file" +# to the path of the threshold config file: +# threshold-file: /etc/suricata/threshold.config + +# The detection engine builds internal groups of signatures. The engine +# allow us to specify the profile to use for them, to manage memory on an +# efficient way keeping a good performance. For the profile keyword you +# can use the words "low", "medium", "high" or "custom". If you use custom +# make sure to define the values at "- custom-values" as your convenience. +# Usually you would prefer medium/high/low. +# +# "sgh mpm-context", indicates how the staging should allot mpm contexts for +# the signature groups. "single" indicates the use of a single context for +# all the signature group heads. "full" indicates a mpm-context for each +# group head. "auto" lets the engine decide the distribution of contexts +# based on the information the engine gathers on the patterns from each +# group head. +# +# The option inspection-recursion-limit is used to limit the recursive calls +# in the content inspection code. For certain payload-sig combinations, we +# might end up taking too much time in the content inspection code. +# If the argument specified is 0, the engine uses an internally defined +# default limit. On not specifying a value, we use no limits on the recursion. +detect-engine: + - profile: medium + - custom-values: + toclient-src-groups: 2 + toclient-dst-groups: 2 + toclient-sp-groups: 2 + toclient-dp-groups: 3 + toserver-src-groups: 2 + toserver-dst-groups: 4 + toserver-sp-groups: 2 + toserver-dp-groups: 25 + - 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 + # If set to yes, the loading of signatures will be made after the capture + # is started. This will limit the downtime in IPS mode. + #- delayed-detect: yes + +# Suricata is multi-threaded. Here the threading can be influenced. +threading: + # On some cpu's/architectures it is beneficial to tie individual threads + # to specific CPU's/CPU cores. In this case all threads are tied to CPU0, + # and each extra CPU/core has one "detect" thread. + # + # On Intel Core2 and Nehalem CPU's enabling this will degrade performance. + # + set-cpu-affinity: no + # Tune cpu affinity of suricata threads. Each family of threads can be bound + # on specific CPUs. + cpu-affinity: + - management-cpu-set: + cpu: [ 0 ] # include only these cpus in affinity settings + - receive-cpu-set: + cpu: [ 0 ] # include only these cpus in affinity settings + - decode-cpu-set: + cpu: [ 0, 1 ] + mode: "balanced" + - stream-cpu-set: + cpu: [ "0-1" ] + - detect-cpu-set: + cpu: [ "all" ] + mode: "exclusive" # run detect threads in these cpus + # Use explicitely 3 threads and don't compute number by using + # detect-thread-ratio variable: + # threads: 3 + prio: + low: [ 0 ] + medium: [ "1-2" ] + high: [ 3 ] + default: "medium" + - verdict-cpu-set: + cpu: [ 0 ] + prio: + default: "high" + - reject-cpu-set: + cpu: [ 0 ] + prio: + default: "low" + - output-cpu-set: + cpu: [ "all" ] + prio: + default: "medium" + # + # 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 + +# Cuda configuration. +cuda: + # The "mpm" profile. On not specifying any of these parameters, the engine's + # internal default values are used, which are same as the ones specified in + # in the default conf file. + mpm: + # The minimum length required to buffer data to the gpu. + # Anything below this is MPM'ed on the CPU. + # Can be specified in kb, mb, gb. Just a number indicates it's in bytes. + # A value of 0 indicates there's no limit. + data-buffer-size-min-limit: 0 + # The maximum length for data that we would buffer to the gpu. + # Anything over this is MPM'ed on the CPU. + # Can be specified in kb, mb, gb. Just a number indicates it's in bytes. + data-buffer-size-max-limit: 1500 + # The ring buffer size used by the CudaBuffer API to buffer data. + cudabuffer-buffer-size: 500mb + # The max chunk size that can be sent to the gpu in a single go. + gpu-transfer-size: 50mb + # The timeout limit for batching of packets in microseconds. + batching-timeout: 2000 + # The device to use for the mpm. Currently we don't support load balancing + # on multiple gpus. In case you have multiple devices on your system, you + # can specify the device to use, using this conf. By default we hold 0, to + # specify the first device cuda sees. To find out device-id associated with + # the card(s) on the system run "suricata --list-cuda-cards". + device-id: 0 + # No of Cuda streams used for asynchronous processing. All values > 0 are valid. + # For this option you need a device with Compute Capability > 1.0. + cuda-streams: 2 + +# Select the multi pattern algorithm you want to run for scan/search the +# in the engine. The supported algorithms are b2g, b2gc, b2gm, b3g, wumanber, +# ac and ac-gfbs. +# +# The mpm you choose also decides the distribution of mpm contexts for +# signature groups, specified by the conf - "detect-engine.sgh-mpm-context". +# Selecting "ac" as the mpm would require "detect-engine.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: ac + +# The memory settings for hash size of these algorithms can vary from lowest +# (2048) - low (4096) - medium (8192) - high (16384) - higher (32768) - max +# (65536). The bloomfilter sizes of these algorithms can vary from low (512) - +# medium (1024) - high (2048). +# +# For B2g/B3g algorithms, there is a support for two different scan/search +# algorithms. For B2g the scan algorithms are B2gScan & B2gScanBNDMq, and +# search algorithms are B2gSearch & B2gSearchBNDMq. For B3g scan algorithms +# are B3gScan & B3gScanBNDMq, and search algorithms are B3gSearch & +# B3gSearchBNDMq. +# +# For B2g the different scan/search algorithms and, hash and bloom +# filter size settings. For B3g the different scan/search algorithms and, hash +# and bloom filter size settings. For wumanber the hash and bloom filter size +# settings. + +pattern-matcher: + - b2gc: + search-algo: B2gSearchBNDMq + hash-size: low + bf-size: medium + - b2gm: + search-algo: B2gSearchBNDMq + hash-size: low + bf-size: medium + - b2g: + search-algo: B2gSearchBNDMq + hash-size: low + bf-size: medium + - b3g: + search-algo: B3gSearchBNDMq + hash-size: low + bf-size: medium + - wumanber: + hash-size: low + bf-size: medium + +# Defrag settings: + +defrag: + memcap: 32mb + hash-size: 65536 + trackers: 65535 # number of defragmented flows to follow + max-frags: 65535 # number of fragments to keep (higher than trackers) + prealloc: yes + timeout: 60 + +# Enable defrag per host settings +# host-config: +# +# - dmz: +# timeout: 30 +# 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"] +# +# - lan: +# timeout: 45 +# address: +# - 192.168.0.0/24 +# - 192.168.10.0/24 +# - 172.16.14.0/24 + +# Flow settings: +# By default, the reserved memory (memcap) for flows is 32MB. This is the limit +# for flow allocation inside the engine. You can change this value to allow +# more memory usage for flows. +# The hash-size determine the size of the hash used to identify flows inside +# the engine, and by default the value is 65536. +# At the startup, the engine can preallocate a number of flows, to get a better +# performance. The number of flows preallocated is 10000 by default. +# emergency-recovery is the percentage of flows that the engine need to +# prune before unsetting the emergency state. The emergency state is activated +# when the memcap limit is reached, allowing to create new flows, but +# prunning them with the emergency timeouts (they are defined below). +# If the memcap is reached, the engine will try to prune flows +# with the default timeouts. If it doens't find a flow to prune, it will set +# the emergency bit and it will try again with more agressive timeouts. +# If that doesn't work, then it will try to kill the last time seen flows +# not in use. +# The memcap can be specified in kb, mb, gb. Just a number indicates it's +# in bytes. + +flow: + memcap: 64mb + hash-size: 65536 + prealloc: 10000 + emergency-recovery: 30 + +# 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: true + +# 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). +# +# 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: 30 + established: 300 + closed: 0 + emergency-new: 10 + emergency-established: 100 + emergency-closed: 0 + tcp: + new: 60 + established: 3600 + closed: 120 + emergency-new: 10 + emergency-established: 300 + emergency-closed: 20 + udp: + new: 30 + established: 300 + emergency-new: 10 + emergency-established: 100 + icmp: + new: 30 + established: 300 + emergency-new: 10 + emergency-established: 100 + +# 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 +# max-synack-queued: 5 # Max different SYN/ACKs to queue +# +# 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. +# # The max acceptable size is 4024 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. +# # The max acceptable size is 4024 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)*randomize-chunk-size +# # and (1 + randomize-chunk-range/100)*randomize-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. +# +# chunk-prealloc: 250 # Number of preallocated stream chunks. These +# # are used during stream inspection (raw). +# segments: # Settings for reassembly segment pool. +# - size: 4 # Size of the (data)segment for a pool +# prealloc: 256 # Number of segments to prealloc and keep +# # in the pool. +# +stream: + memcap: 32mb + checksum-validation: yes # reject wrong csums + inline: auto # auto will use inline mode in IPS mode, yes or no set it statically + reassembly: + memcap: 128mb + depth: 1mb # reassemble 1mb into a stream + toserver-chunk-size: 2560 + toclient-chunk-size: 2560 + randomize-chunk-size: yes + #randomize-chunk-range: 10 + #raw: yes + #chunk-prealloc: 250 + #segments: + # - size: 4 + # prealloc: 256 + # - size: 16 + # prealloc: 512 + # - size: 112 + # prealloc: 512 + # - size: 248 + # prealloc: 512 + # - size: 512 + # prealloc: 512 + # - size: 768 + # prealloc: 1024 + # - size: 1448 + # prealloc: 1024 + # - size: 65535 + # prealloc: 128 + +# Host table: +# +# Host table is used by tagging and per host thresholding subsystems. +# +host: + hash-size: 4096 + prealloc: 1000 + memcap: 16777216 + +# Logging configuration. This is not about logging IDS alerts, but +# IDS output about what its doing, errors, etc. +logging: + + # The default log level, can be overridden in an output section. + # Note that debug level logging will only be emitted if Suricata was + # compiled with the --enable-debug configure option. + # + # This value is overriden by the SC_LOG_LEVEL env var. + default-log-level: notice + + # The default output format. Optional parameter, should default to + # something reasonable if not provided. Can be overriden in an + # output section. You can leave this out to get the default. + # + # This value is overriden by the SC_LOG_FORMAT env var. + #default-log-format: "[%i] %t - (%f:%l) <%d> (%n) -- " + + # A regex to filter output. Can be overridden in an output section. + # Defaults to empty (no filter). + # + # This value is overriden by the SC_LOG_OP_FILTER env var. + default-output-filter: + + # Define your logging outputs. If none are defined, or they are all + # disabled you will get the default - console output. + outputs: + - console: + enabled: yes + - file: + enabled: no + filename: /var/log/suricata.log + - syslog: + enabled: yes + facility: local5 + format: "[%i] <%d> -- " + +# Tilera mpipe configuration. for use on Tilera TILE-Gx. +mpipe: + + # Load balancing modes: "static", "dynamic", "sticky", or "round-robin". + load-balance: dynamic + + # Number of Packets in each ingress packet queue. Must be 128, 512, 2028 or 65536 + iqueue-packets: 2048 + + # List of interfaces we will listen on. + inputs: + - interface: xgbe2 + - interface: xgbe3 + - interface: xgbe4 + + + # Relative weight of memory for packets of each mPipe buffer size. + stack: + size128: 0 + size256: 9 + size512: 0 + size1024: 0 + size1664: 7 + size4096: 0 + size10386: 0 + size16384: 0 + +# PF_RING configuration. for use with native PF_RING support +# for more info see http://www.ntop.org/PF_RING.html +pfring: + - interface: eth0 + # Number of receive threads (>1 will enable experimental flow pinned + # runmode) + threads: 1 + + # Default clusterid. PF_RING will load balance packets based on flow. + # All threads/processes that will participate need to have the same + # clusterid. + cluster-id: 99 + + # Default PF_RING cluster type. PF_RING can load balance per flow or per hash. + # This is only supported in versions of PF_RING > 4.1.1. + cluster-type: cluster_flow + # bpf filter for this interface + #bpf-filter: tcp + # Choose checksum verification mode for the interface. At the moment + # of the capture, some packets may be with an invalid checksum due to + # offloading to the network card of the checksum computation. + # Possible values are: + # - rxonly: only compute checksum for packets received by network card. + # - yes: checksum validation is forced + # - no: checksum validation is disabled + # - auto: suricata uses a statistical approach to detect when + # checksum off-loading is used. (default) + # Warning: 'checksum-validation' must be set to yes to have any validation + #checksum-checks: auto + # Second interface + #- interface: eth1 + # threads: 3 + # cluster-id: 93 + # cluster-type: cluster_flow + # Put default values here + - interface: default + #threads: 2 + +pcap: + - interface: eth0 + # On Linux, pcap will try to use mmaped capture and will use buffer-size + # as total of memory used by the ring. So set this to something bigger + # than 1% of your bandwidth. + #buffer-size: 16777216 + #bpf-filter: "tcp and port 25" + # Choose checksum verification mode for the interface. At the moment + # of the capture, some packets may be with an invalid checksum due to + # offloading to the network card of the checksum computation. + # Possible values are: + # - yes: checksum validation is forced + # - no: checksum validation is disabled + # - auto: suricata uses a statistical approach to detect when + # checksum off-loading is used. (default) + # Warning: 'checksum-validation' must be set to yes to have any validation + #checksum-checks: auto + # With some accelerator cards using a modified libpcap (like myricom), you + # may want to have the same number of capture threads as the number of capture + # rings. In this case, set up the threads variable to N to start N threads + # listening on the same interface. + #threads: 16 + # set to no to disable promiscuous mode: + #promisc: no + # set snaplen, if not set it defaults to MTU if MTU can be known + # via ioctl call and to full capture if not. + #snaplen: 1518 + # Put default values here + - interface: default + #checksum-checks: auto + +pcap-file: + # Possible values are: + # - yes: checksum validation is forced + # - no: checksum validation is disabled + # - auto: suricata uses a statistical approach to detect when + # checksum off-loading is used. (default) + # Warning: 'checksum-validation' must be set to yes to have checksum tested + checksum-checks: auto + +# For FreeBSD ipfw(8) divert(4) support. +# Please make sure you have ipfw_load="YES" and ipdivert_load="YES" +# in /etc/loader.conf or kldload'ing the appropriate kernel modules. +# Additionally, you need to have an ipfw rule for the engine to see +# the packets from ipfw. For Example: +# +# ipfw add 100 divert 8000 ip from any to any +# +# The 8000 above should be the same number you passed on the command +# line, i.e. -d 8000 +# +ipfw: + + # Reinject packets at the specified ipfw rule number. This config + # option is the ipfw rule number AT WHICH rule processing continues + # in the ipfw processing system after the engine has finished + # inspecting the packet for acceptance. If no rule number is specified, + # accepted packets are reinjected at the divert rule which they entered + # and IPFW rule processing continues. No check is done to verify + # this will rule makes sense so care must be taken to avoid loops in ipfw. + # + ## The following example tells the engine to reinject packets + # back into the ipfw firewall AT rule number 5500: + # + # ipfw-reinjection-rule-number: 5500 + +# Set the default rule path here to search for the files. +# if not set, it will look at the current working dir +default-rule-path: /etc/suricata/rules +rule-files: + - botcc.rules + - ciarmy.rules + - compromised.rules + - drop.rules + - dshield.rules + - emerging-activex.rules + - emerging-attack_response.rules + - emerging-chat.rules + - emerging-current_events.rules + - emerging-dns.rules + - emerging-dos.rules + - emerging-exploit.rules + - emerging-ftp.rules + - emerging-games.rules + - emerging-icmp_info.rules +# - emerging-icmp.rules + - emerging-imap.rules + - emerging-inappropriate.rules + - emerging-malware.rules + - emerging-misc.rules + - emerging-mobile_malware.rules + - emerging-netbios.rules + - emerging-p2p.rules + - emerging-policy.rules + - emerging-pop3.rules + - emerging-rpc.rules + - emerging-scada.rules + - emerging-scan.rules + - emerging-shellcode.rules + - emerging-smtp.rules + - emerging-snmp.rules + - emerging-sql.rules + - emerging-telnet.rules + - emerging-tftp.rules + - emerging-trojan.rules + - emerging-user_agents.rules + - emerging-voip.rules + - emerging-web_client.rules + - emerging-web_server.rules + - emerging-web_specific_apps.rules + - emerging-worm.rules + - tor.rules + - decoder-events.rules # available in suricata sources under rules dir + - stream-events.rules # available in suricata sources under rules dir + - http-events.rules # available in suricata sources under rules dir + - smtp-events.rules # available in suricata sources under rules dir + - dns-events.rules # available in suricata sources under rules dir + - tls-events.rules # available in suricata sources under rules dir + +classification-file: /etc/suricata/classification.config +reference-config-file: /etc/suricata/reference.config + +# Holds variables that would be used by the engine. +vars: + + # Holds the address group vars that would be passed in a Signature. + # These would be retrieved during the Signature address parsing stage. + address-groups: + + HOME_NET: "[192.168.0.0/16,10.0.0.0/8,172.16.0.0/12]" + + EXTERNAL_NET: "!$HOME_NET" + + HTTP_SERVERS: "$HOME_NET" + + SMTP_SERVERS: "$HOME_NET" + + SQL_SERVERS: "$HOME_NET" + + DNS_SERVERS: "$HOME_NET" + + TELNET_SERVERS: "$HOME_NET" + + AIM_SERVERS: "$EXTERNAL_NET" + + DNP3_SERVER: "$HOME_NET" + + DNP3_CLIENT: "$HOME_NET" + + MODBUS_CLIENT: "$HOME_NET" + + MODBUS_SERVER: "$HOME_NET" + + ENIP_CLIENT: "$HOME_NET" + + ENIP_SERVER: "$HOME_NET" + + # Holds the port group vars that would be passed in a Signature. + # These would be retrieved during the Signature port parsing stage. + port-groups: + + HTTP_PORTS: "80" + + SHELLCODE_PORTS: "!80" + + ORACLE_PORTS: 1521 + + SSH_PORTS: 22 + + DNP3_PORTS: 20000 + +# Set the order of alerts bassed on actions +# The default order is pass, drop, reject, alert +action-order: + - pass + - drop + - reject + - alert + +# IP Reputation +#reputation-categories-file: /etc/suricata/iprep/categories.txt +#default-reputation-path: /etc/suricata/iprep +#reputation-files: +# - reputation.list + +# Host specific policies for defragmentation and TCP stream +# reassembly. The host OS lookup is done using a radix tree, just +# like a routing table so the most specific entry matches. +host-os-policy: + # Make the default policy windows. + windows: [0.0.0.0/0] + bsd: [] + bsd-right: [] + old-linux: [] + linux: [10.0.0.0/8, 192.168.1.100, "8762:2352:6241:7245:E000:0000:0000:0000"] + old-solaris: [] + solaris: ["::1"] + hpux10: [] + hpux11: [] + irix: [] + macos: [] + vista: [] + windows2k3: [] + + +# Limit for the maximum number of asn1 frames to decode (default 256) +asn1-max-frames: 256 + +# When run with the option --engine-analysis, the engine will read each of +# the parameters below, and print reports for each of the enabled sections +# and exit. The reports are printed to a file in the default log dir +# given by the parameter "default-log-dir", with engine reporting +# subsection below printing reports in its own report file. +engine-analysis: + # enables printing reports for fast-pattern for every rule. + rules-fast-pattern: yes + # enables printing reports for each rule + rules: yes + +#recursion and match limits for PCRE where supported +pcre: + match-limit: 3500 + match-limit-recursion: 1500 + +# Holds details on the app-layer. The protocols section details each protocol. +# Under each protocol, the default value for detection-enabled and " +# parsed-enabled is yes, unless specified otherwise. +# Each protocol covers enabling/disabling parsers for all ipprotos +# the app-layer protocol runs on. For example "dcerpc" refers to the tcp +# version of the protocol as well as the udp version of the protocol. +# The option "enabled" takes 3 values - "yes", "no", "detection-only". +# "yes" enables both detection and the parser, "no" disables both, and +# "detection-only" enables detection only(parser disabled). +app-layer: + protocols: + tls: + enabled: yes + detection-ports: + dp: 443 + + #no-reassemble: yes + dcerpc: + enabled: yes + ftp: + enabled: yes + ssh: + enabled: yes + smtp: + enabled: yes + imap: + enabled: detection-only + msn: + enabled: detection-only + smb: + enabled: yes + detection-ports: + dp: 139 + # smb2 detection is disabled internally inside the engine. + #smb2: + # enabled: yes + dns: + # memcaps. Globally and per flow/state. + #global-memcap: 16mb + #state-memcap: 512kb + + # How many unreplied DNS requests are considered a flood. + # If the limit is reached, app-layer-event:dns.flooded; will match. + #request-flood: 500 + + tcp: + enabled: yes + detection-ports: + dp: 53 + udp: + enabled: yes + detection-ports: + dp: 53 + http: + enabled: yes + # memcap: 64mb + + ########################################################################### + # Configure libhtp. + # + # + # default-config: Used when no server-config matches + # personality: List of personalities used by default + # request-body-limit: Limit reassembly of request body for inspection + # by http_client_body & pcre /P option. + # response-body-limit: Limit reassembly of response body for inspection + # by file_data, http_server_body & pcre /Q option. + # double-decode-path: Double decode path section of the URI + # double-decode-query: Double decode query section of the URI + # + # server-config: List of server configurations to use if address matches + # address: List of ip addresses or networks for this block + # personalitiy: List of personalities used by this block + # request-body-limit: Limit reassembly of request body for inspection + # by http_client_body & pcre /P option. + # response-body-limit: Limit reassembly of response body for inspection + # by file_data, http_server_body & pcre /Q option. + # double-decode-path: Double decode path section of the URI + # double-decode-query: Double decode query section of the URI + # + # uri-include-all: Include all parts of the URI. By default the + # 'scheme', username/password, hostname and port + # are excluded. Setting this option to true adds + # all of them to the normalized uri as inspected + # by http_uri, urilen, pcre with /U and the other + # keywords that inspect the normalized uri. + # Note that this does not affect http_raw_uri. + # Also, note that including all was the default in + # 1.4 and 2.0beta1. + # + # meta-field-limit: Hard size limit for request and response size + # limits. Applies to request line and headers, + # response line and headers. Does not apply to + # request or response bodies. Default is 18k. + # If this limit is reached an event is raised. + # + # Currently Available Personalities: + # Minimal + # Generic + # IDS (default) + # IIS_4_0 + # IIS_5_0 + # IIS_5_1 + # IIS_6_0 + # IIS_7_0 + # IIS_7_5 + # Apache_2 + ########################################################################### + libhtp: + + default-config: + personality: IDS + + # Can be specified in kb, mb, gb. Just a number indicates + # it's in bytes. + request-body-limit: 3072 + response-body-limit: 3072 + + # inspection limits + request-body-minimal-inspect-size: 32kb + request-body-inspect-window: 4kb + response-body-minimal-inspect-size: 32kb + response-body-inspect-window: 4kb + # Take a random value for inspection sizes 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-inspection-sizes: yes + # If randomize-inspection-sizes is active, the value of various + # inspection size will be choosen in the [1 - range%, 1 + range%] + # range + # Default value of randomize-inspection-range is 10. + #randomize-inspection-range: 10 + + # decoding + double-decode-path: no + double-decode-query: no + + server-config: + + #- apache: + # address: [192.168.1.0/24, 127.0.0.0/8, "::1"] + # personality: Apache_2 + # # Can be specified in kb, mb, gb. Just a number indicates + # # it's in bytes. + # request-body-limit: 4096 + # response-body-limit: 4096 + # double-decode-path: no + # double-decode-query: no + + #- iis7: + # address: + # - 192.168.0.0/24 + # - 192.168.10.0/24 + # personality: IIS_7_0 + # # Can be specified in kb, mb, gb. Just a number indicates + # # it's in bytes. + # request-body-limit: 4096 + # response-body-limit: 4096 + # double-decode-path: no + # double-decode-query: no + +# 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: yes + filename: rule_perf.log + append: yes + + # Sort options: ticks, avgticks, checks, matches, maxticks + sort: avgticks + + # Limit the number of items printed at exit. + limit: 100 + + # per keyword profiling + keywords: + enabled: yes + filename: keyword_perf.log + append: yes + + # packet profiling + packets: + + # Profiling can be disabled here, but it will still have a + # performance impact if compiled in. + enabled: yes + filename: packet_stats.log + append: yes + + # per packet csv output + csv: + + # Output can be disabled here, but it will still have a + # performance impact if compiled in. + enabled: no + filename: packet_stats.csv + + # profiling of locking. Only available when Suricata was built with + # --enable-profiling-locks. + locks: + enabled: no + filename: lock_stats.log + append: yes + +# Suricata core dump configuration. Limits the size of the core dump file to +# approximately max-dump. The actual core dump size will be a multiple of the +# page size. Core dumps that would be larger than max-dump are truncated. On +# Linux, the actual core dump size may be a few pages larger than max-dump. +# Setting max-dump to 0 disables core dumping. +# Setting max-dump to 'unlimited' will give the full core dump file. +# On 32-bit Linux, a max-dump value >= ULONG_MAX may cause the core dump size +# to be 'unlimited'. + +coredump: + max-dump: unlimited + +napatech: + # The Host Buffer Allowance for all streams + # (-1 = OFF, 1 - 100 = percentage of the host buffer that can be held back) + 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: yes + + # The streams to listen on + streams: [1, 2, 3] + +# Includes. Files included here will be handled as if they were +# inlined in this configuration file. +#include: include1.yaml +#include: include2.yaml |