--- /dev/null
+# accept outgoing ping and the returning pongs
+accept:flow icmp:flow_start $HOME_NET any -> $HOME_NET any (itype:8; msg:"Ping!"; alert; sid:101;)
+
+# allow session setup
+accept:hook tcp:all $HOME_NET any <> $EXTERNAL_NET any (flow:not_established; alert; sid:1021;)
+accept:hook tcp:all $HOME_NET any <> $EXTERNAL_NET any (flow:established; alert; sid:1022;)
+
+drop:flow tls:client_hello_done $HOME_NET any -> $EXTERNAL_NET any (tls.version:1.0; msg:"TLS 1.0 not allowed"; sid:102;)
+drop:flow tls:server_hello_done $EXTERNAL_NET any -> $HOME_NET any (tls.version:1.0; msg:"TLS 1.0 not allowed"; sid:103;)
+
+accept:hook tls:client_in_progress $HOME_NET any -> $EXTERNAL_NET any (alert; sid:105;)
+accept:flow tls:client_hello_done $HOME_NET any -> $EXTERNAL_NET any (tls.sni; content:"www.google.com"; sid:104; alert;)
+
+# Implicit drop all else
+drop:packet ip:all any any -> any any (msg:"policy drop"; sid:999;)
--- /dev/null
+%YAML 1.1
+---
+
+vars:
+ # more specific is better for alert accuracy and performance
+ address-groups:
+ HOME_NET: "[192.168.0.0/16,10.0.0.0/8,172.16.0.0/12]"
+ #HOME_NET: "[192.168.0.0/16]"
+ #HOME_NET: "[10.0.0.0/8]"
+ #HOME_NET: "[172.16.0.0/12]"
+ #HOME_NET: "any"
+
+ EXTERNAL_NET: "!$HOME_NET"
+ #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"
+ DC_SERVERS: "$HOME_NET"
+ DNP3_SERVER: "$HOME_NET"
+ DNP3_CLIENT: "$HOME_NET"
+ MODBUS_CLIENT: "$HOME_NET"
+ MODBUS_SERVER: "$HOME_NET"
+ ENIP_CLIENT: "$HOME_NET"
+ ENIP_SERVER: "$HOME_NET"
+
+ port-groups:
+ HTTP_PORTS: "80"
+ SHELLCODE_PORTS: "!80"
+ ORACLE_PORTS: 1521
+ SSH_PORTS: 22
+ DNP3_PORTS: 20000
+ MODBUS_PORTS: 502
+ FILE_DATA_PORTS: "[$HTTP_PORTS,110,143]"
+ FTP_PORTS: 21
+ GENEVE_PORTS: 6081
+ VXLAN_PORTS: 4789
+ TEREDO_PORTS: 3544
+ SIP_PORTS: "[5060, 5061]"
+
+# Global stats configuration
+stats:
+ enabled: yes
+ interval: 8
+
+# Configure the type of alert (and other) logging you would like.
+outputs:
+ - eve-log:
+ enabled: yes
+ filetype: regular #regular|syslog|unix_dgram|unix_stream|redis
+ filename: eve.json
+ types:
+ - stats
+ - flow
+ - alert
+ - tls:
+ extended: yes # enable this for extended logging information
+ - drop:
+ alerts: yes # log alerts that caused drops
+ flows: all # start or all: 'start' logs only a single drop