debian/example/100.fw

   1 # Example VM firewall configuration
   2
   3 # VM specific firewall options
   4 [OPTIONS]
   5
   6 # disable/enable the whole thing
   7 enable: 1
   8
   9 # disable/enable MAC address filter
  10 macfilter: 0
  11
  12 # default policy
  13 policy_in: DROP
  14 policy_out: REJECT
  15
  16 # log dropped incoming connection
  17 log_level_in: info
  18
  19 # disable log for outgoing connections
  20 log_level_out: nolog
  21
  22 # enable DHCP
  23 dhcp: 1
  24
  25 # enable ips
  26 ips: 1
  27
  28 # specify nfqueue queues (optionnal)
  29 #ips_queues: 0
  30 ips_queues: 0:3
  31
  32
  33 [RULES]
  34
  35 #TYPE ACTION IFACE SOURCE DEST PROTO D-PORT S-PORT
  36
  37 IN SSH(ACCEPT) net0
  38 IN SSH(ACCEPT) net0 # a comment
  39 IN SSH(ACCEPT) net0 192.168.2.192  # only allow SSH from  192.168.2.192
  40 IN SSH(ACCEPT) net0 10.0.0.1-10.0.0.10 #accept SSH for ip in range 10.0.0.1 to 10.0.0.10
  41 IN SSH(ACCEPT) net0 10.0.0.1,10.0.0.2,10.0.0.3 #accept ssh for 10.0.0.1 or 10.0.0.2 or 10.0.0.3
  42 IN SSH(ACCEPT) net0 +mynetgroup   #accept ssh for netgroup mynetgroup
  43 IN SSH(ACCEPT) net0 myserveralias   #accept ssh for alias myserveralias
  44
  45 |IN SSH(ACCEPT) net0 # disabled rule
  46
  47 # add a security group
  48 GROUP group1 net0
  49
  50 OUT DNS(ACCEPT) net0
  51 OUT Ping(ACCEPT) net0
  52 OUT SSH(ACCEPT)
  53
  54
  55