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suricata.yaml
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suricata.yaml
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%YAML 1.1
---
runmode: single
default-log-dir: /usr/local/suricata/var/log/
outputs:
- fast:
enabled: no
filename: alert
append: yes
- unified2-alert:
enabled: no
filename: unified2.alert
- http-log:
enabled: no
filename: http.log
append: yes
extended: yes
- pcap-info:
enabled: no
- alert-debug:
enabled: no
filename: alert-debug.log
append: yes
- stats:
enabled: no
filename: stats.log
interval: 8
- file-store:
enabled: yes # set to yes to enable
log-dir: files # directory to store the files
force-magic: yes # force logging magic on all stored files
force-md5: yes # force logging of md5 checksums
- file-log:
enabled: yes
filename: files-json.log
append: yes
force-magic: yes # force logging magic on all logged files
force-md5: yes # force logging of md5 checksums
- tls-log:
enabled: no # Log TLS connections.
filename: tls.log # File to store TLS logs.
extended: yes # Log extended information like fingerprint
- eve-log:
enabled: yes
type: file #file|syslog|unix_dgram|unix_stream
filename: alert.json
types:
- alert
- eve-log:
enabled: yes
type: file #file|syslog|unix_dgram|unix_stream
filename: http.json
types:
- http:
extended: yes # enable this for extended logging information
- eve-log:
enabled: yes
type: file #file|syslog|unix_dgram|unix_stream
filename: dns.json
types:
- dns:
- eve-log:
enabled: yes
type: file #file|syslog|unix_dgram|unix_stream
filename: tls.json
types:
- tls:
extended: yes # enable this for extended logging information
- eve-log:
enabled: yes
type: file #file|syslog|unix_dgram|unix_stream
filename: files.json
types:
- files:
force-magic: yes # force logging magic on all logged files
force-md5: yes # force logging of md5 checksums
- eve-log:
enabled: yes
type: file #file|syslog|unix_dgram|unix_stream
filename: ssh.json
types:
- ssh
magic-file: /usr/share/file/magic
af-packet:
- interface: eth0
threads: 1
cluster-id: 99
cluster-type: cluster_round_robin
defrag: yes
use-mmap: yes
- interface: eth1
threads: 1
cluster-id: 98
cluster-type: cluster_round_robin
defrag: yes
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
threading:
set-cpu-affinity: no
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
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"
detect-thread-ratio: 1.5
cuda:
- mpm:
packet-buffer-limit: 2400
packet-size-limit: 1500
packet-buffers: 10
batching-timeout: 1
page-locked: enabled
device-id: 0
cuda-streams: 2
mpm-algo: ac
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:
max-frags: 65535
prealloc: yes
timeout: 60
flow:
memcap: 32mb
hash-size: 65536
prealloc: 10000
emergency-recovery: 30
prune-flows: 5
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:
memcap: 32mb
checksum-validation: no # reject wrong csums
inline: no # no inline mode
reassembly:
memcap: 64mb
depth: 0 # reassemble 1mb into a stream
toserver-chunk-size: 2560
toclient-chunk-size: 2560
host:
hash-size: 4096
prealloc: 1000
memcap: 16777216
logging:
default-log-level: info
default-output-filter:
outputs:
- console:
enabled: yes
pfring:
- interface: eth0
threads: 1
interface: eth0
cluster-id: 99
cluster-type: cluster_round_robin
pcap:
- interface: eth0
classification-file: /usr/local/suricata/etc/classification.config
reference-config-file: /usr/local/suricata/etc/reference.config
vars:
address-groups:
HOME_NET: "[192.168.0.0/16,10.0.0.0/8,172.16.0.0/12]"
EXTERNAL_NET: "any"
HTTP_SERVERS: "$HOME_NET"
SMTP_SERVERS: "$HOME_NET"
SQL_SERVERS: "$HOME_NET"
DNS_SERVERS: "$HOME_NET"
TELNET_SERVERS: "$HOME_NET"
AIM_SERVERS: "$EXTERNAL_NET"
port-groups:
HTTP_PORTS: "80"
SHELLCODE_PORTS: "!80"
ORACLE_PORTS: 1521
SSH_PORTS: 22
action-order:
- pass
- drop
- reject
- alert
host-os-policy:
windows: [0.0.0.0/0]
bsd: []
bsd-right: []
old-linux: []
linux: []
old-solaris: []
solaris: []
hpux10: []
hpux11: []
irix: []
macos: []
vista: []
windows2k3: []
asn1-max-frames: 256
engine-analysis:
rules-fast-pattern: yes
rules: yes
pcre:
match-limit: 3500
match-limit-recursion: 1500
libhtp:
default-config:
personality: IDS
request-body-limit: 0
response-body-limit: 0
# inspection limits
request-body-minimal-inspect-size: 16kb
request-body-inspect-window: 16kb
response-body-minimal-inspect-size: 40kb
response-body-inspect-window: 32kb
profiling:
rules:
enabled: yes
filename: perf.txt
append: yes
sort: avgticks
packets:
enabled: no
filename: packet_stats.log
append: yes
locks:
enabled: no
filename: lock_stats.log
append: yes
coredump:
max-dump: unlimited
app-layer:
protocols:
tls:
enabled: yes
detection-ports:
dp: 443
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
dns:
tcp:
enabled: yes
detection-ports:
dp: 53
udp:
enabled: yes
detection-ports:
dp: 53
http:
enabled: yes
default-rule-path: /usr/local/suricata/etc/
rule-files:
- all.rules
- luajit.rules
- local.rules
- dyndns-http-alert-and-drop.rules
- dyndns-dns.rules
- dyndns-tls.rules