meta-security: subtree update:775870980b..ca9264b1e1
Anton Antonov (4):
Use libest "main" branch instead of "master".
Add meta-parsec layer into meta-security.
Define secure images with parsec-service and parsec-tool included and add the images into gitlab CI
Clearly define clang toolchain in Parsec recipes
Armin Kuster (16):
packagegroup-core-security: drop clamav-cvd
clamav: upgrade 104.0
python3-privacyidea: upgrade 3.5.1 -> 3.5.2
clamav: fix systemd service install
swtpm: now need python-cryptography, pull in layer
swtpm: file pip3 issue
swtpm: fix check for tscd deamon on host
python3-suricata-update: update to 1.2.1
suricata: update to 6.0.2
layer.conf: add dynamic-layer for rust pkg
README: cleanup
.gitlab-ci.yml: reorder to speed up builds
kas-security-base.yml: tweek build vars
gitlab-ci: fine tune order
clamav: remove rest of mirror.dat ref
lkrg-module: Add Linux Kernel Runtime Guard
Ming Liu (2):
meta: drop IMA_POLICY from policy recipes
initramfs-framework-ima: introduce IMA_FORCE
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Ifac35a0d7b7e724f1e30dce5f6634d5d4fc9b5b9
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 0000000..8d06a27
--- /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