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-.. _firewall:
-
-Firewall
-========
-
-Overview
---------
-
-VyOS makes use of Linux `netfilter <https://netfilter.org/>`_ for packet
-filtering.
-
-The firewall supports the creation of groups for ports, addresses, and
-networks (implemented using netfilter ipset) and the option of interface
-or zone based firewall policy.
-
-.. note:: **Important note on usage of terms:** 
-   The firewall makes use of the terms `in`, `out`, and `local`
-   for firewall policy. Users experienced with netfilter often confuse
-   `in` to be a reference to the `INPUT` chain, and `out` the `OUTPUT`
-   chain from netfilter. This is not the case. These instead indicate
-   the use of the `FORWARD` chain and either the input or output
-   interface. The `INPUT` chain, which is used for local traffic to the
-   OS, is a reference to as `local` with respect to its input interface.
-
-
-Global settings
----------------
-
-Some firewall settings are global and have a affect on the whole system.
-
-.. cfgcmd:: set firewall all-ping [enable | disable]
-
-   By default, when VyOS receives an ICMP echo request packet destined for
-   itself, it will answer with an ICMP echo reply, unless you avoid it
-   through its firewall.
-
-   With the firewall you can set rules to accept, drop or reject ICMP in,
-   out or local traffic. You can also use the general **firewall all-ping**
-   command. This command affects only to LOCAL (packets destined for your
-   VyOS system), not to IN or OUT traffic.
-
-   .. note:: **firewall all-ping** affects only to LOCAL and it always
-      behaves in the most restrictive way
-
-   .. code-block:: none
-
-      set firewall all-ping enable
-
-   When the command above is set, VyOS will answer every ICMP echo request
-   addressed to itself, but that will only happen if no other rule is
-   applied dropping or rejecting local echo requests. In case of conflict,
-   VyOS will not answer ICMP echo requests.
-
-   .. code-block:: none
-
-      set firewall all-ping disable
-
-   When the command above is set, VyOS will answer no ICMP echo request
-   addressed to itself at all, no matter where it comes from or whether
-   more specific rules are being applied to accept them.
-
-.. cfgcmd:: set firewall broadcast-ping [enable | disable]
-
-   This setting enable or disable the response of icmp broadcast
-   messages. The following system parameter will be altered:
-
-   * ``net.ipv4.icmp_echo_ignore_broadcasts``
-
-.. cfgcmd:: set firewall ip-src-route [enable | disable]
-.. cfgcmd:: set firewall ipv6-src-route [enable | disable]
-
-   This setting handle if VyOS accept packets with a source route
-   option. The following system parameter will be altered:
-
-   * ``net.ipv4.conf.all.accept_source_route``
-   * ``net.ipv6.conf.all.accept_source_route``
-
-.. cfgcmd:: set firewall receive-redirects [enable | disable]
-.. cfgcmd:: set firewall ipv6-receive-redirects [enable | disable]
-
-   enable or disable of ICMPv4 or ICMPv6 redirect messages accepted
-   by VyOS. The following system parameter will be altered:
-
-   * ``net.ipv4.conf.all.accept_redirects``
-   * ``net.ipv6.conf.all.accept_redirects``
-
-.. cfgcmd:: set firewall send-redirects [enable | disable]
-
-   enable or disable of ICMPv4 redirect messages send by VyOS 
-   The following system parameter will be altered:
-
-   * ``net.ipv4.conf.all.send_redirects``
-
-.. cfgcmd:: set firewall log-martians [enable | disable]
-
-   enable or disable the logging of martian IPv4 packets. 
-   The following system parameter will be altered:
-
-   * ``net.ipv4.conf.all.log_martians``
-
-.. cfgcmd:: set firewall source-validation [strict | loose | disable]
-
-   Set the IPv4 source validation mode. 
-   The following system parameter will be altered:
-
-   * ``net.ipv4.conf.all.rp_filter``
-
-.. cfgcmd:: set firewall syn-cookies [enable | disable]
-
-   Enable or Disable if VyOS use IPv4 TCP SYN Cookies. 
-   The following system parameter will be altered:
-
-   * ``net.ipv4.tcp_syncookies``
-
-.. cfgcmd:: set firewall twa-hazards-protection [enable | disable]
-
-   Enable or Disable VyOS to be :rfc:`1337` conform. 
-   The following system parameter will be altered:
-
-   * ``net.ipv4.tcp_rfc1337``
-
-.. cfgcmd:: set firewall state-policy established action [accept | drop |
-   reject]
-
-.. cfgcmd:: set firewall state-policy established log enable
-
-   Set the global setting for a astablished connections.
-
-.. cfgcmd:: set firewall state-policy invalid action [accept | drop | reject]
-
-.. cfgcmd:: set firewall state-policy invalid log enable
-
-   Set the global setting for invalid packets. 
-
-.. cfgcmd:: set firewall state-policy related action [accept | drop | reject]
-
-.. cfgcmd:: set firewall state-policy related log enable
-
-   Set the global setting for related connections.
-
-
-Groups
-------
-
-Firewall groups represent collections of IP addresses, networks, or
-ports. Once created, a group can be referenced by firewall rules as
-either a source or destination. Members can be added or removed from a
-group without changes to, or the need to reload, individual firewall
-rules.
-
-.. note:: Groups can also be referenced by NAT configuration.
-
-Groups need to have unique names. Even though some contain IPv4
-addresses and others contain IPv6 addresses, they still need to have
-unique names, so you may want to append "-v4" or "-v6" to your group
-names.
-
-
-Address Groups
-**************
-
-In a **address group** a single IP adresses or IP address ranges are
-definded.
-
-.. cfgcmd::  set firewall group address-group <name> address [address |
-   address range]
-.. cfgcmd::  set firewall group ipv6-address-group <name> address <address>
-
-   Define a IPv4 or a IPv6 address group
-
-   .. code-block:: none
-
-      set firewall group address-group ADR-INSIDE-v4 address 192.168.0.1
-      set firewall group address-group ADR-INSIDE-v4 address 10.0.0.1-10.0.0.8
-      set firewall group ipv6-address-group ADR-INSIDE-v6 address 2001:db8::1
-
-.. cfgcmd::  set firewall group address-group <name> description <text>
-.. cfgcmd::  set firewall group ipv6-address-group <name> description <text>
-
-   Provide a IPv4 or IPv6 address group description
-
-
-Network Groups
-**************
-
-While **network groups** accept IP networks in CIDR notation, specific
-IP addresses can be added as a 32-bit prefix. If you foresee the need
-to add a mix of addresses and networks, the network group is
-recommended.
-
-.. cfgcmd::  set firewall group network-group <name> network <CIDR>
-.. cfgcmd::  set firewall group ipv6-network-group <name> network <CIDR>
-
-   Define a IPv4 or IPv6 Network group.
-
-   .. code-block:: none
-
-      set firewall group network-group NET-INSIDE-v4 network 192.168.0.0/24
-      set firewall group network-group NET-INSIDE-v4 network 192.168.1.0/24
-      set firewall group ipv6-network-group NET-INSIDE-v6 network 2001:db8::/64
-
-.. cfgcmd::  set firewall group network-group <name> description <text>
-.. cfgcmd::  set firewall group ipv6-network-group <name> description <text>
-
-   Provide a IPv4 or IPv6 network group description.
-      
-
-Port Groups
-***********
-
-A **port group** represents only port numbers, not the protocol. Port
-groups can be referenced for either TCP or UDP. It is recommended that
-TCP and UDP groups are created separately to avoid accidentally
-filtering unnecessary ports. Ranges of ports can be specified by using
-`-`.
-
-.. cfgcmd:: set firewall group port-group <name> port
-   [portname | portnumber | startport-endport]
-
-   Define a port group. A port name are any name defined in
-   /etc/services. e.g.: http
-
-   .. code-block:: none
-
-      set firewall group port-group PORT-TCP-SERVER1 port http
-      set firewall group port-group PORT-TCP-SERVER1 port 443
-      set firewall group port-group PORT-TCP-SERVER1 port 5000-5010
-
-.. cfgcmd:: set firewall group port-group <name> description <text>
-
-   Provide a port group description.
-
-
-Rule-Sets
-----------
-
-A rule-set is a named collection of firewall rules that can be applied
-to an interface or zone. Each rule is numbered, has an action to apply
-if the rule is matched, and the ability to specify the criteria to
-match. Data packets go through the rules from 1 - 9999, at the first match
-the action of the rule will executed.
-
-.. cfgcmd:: set firewall name <name> description <text>
-.. cfgcmd:: set firewall ipv6-name <name> description <text>
-
-   Provide a rule-set description.
-
-.. cfgcmd:: set firewall name <name> default-action [drop | reject | accept]
-.. cfgcmd:: set firewall ipv6-name <name> default-action [drop | reject |
-   accept]
-
-   This set the default action of the rule-set if no rule matched a paket
-   criteria.
-
-.. cfgcmd:: set firewall name <name> enable-default-log
-.. cfgcmd:: set firewall ipv6-name <name> enable-default-log
-
-   Use this command to enable the logging of the default action.
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> action [drop | reject |
-   accept]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> action [drop | reject |
-   accept]
-
-   This required setting define the action of the current rule.
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> description <text>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> description <text>
-
-   Provide a description for each rule.
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> log [disable | enable]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> log [disable | enable]
-
-   Enable or disable logging for the matched packet.
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> disable
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> disable
-
-   If you want to disable a rule but let it in the configuration.
-
-Matching criteria
-*****************
-
-There are a lot of matching criteria gainst which the package can be tested.
-
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> source address 
-   [address | addressrange | CIDR]
-.. cfgcmd:: set firewall name <name> rule <1-9999> destination address
-   [address | addressrange | CIDR]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> source address
-   [address | addressrange | CIDR]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> destination address
-   [address | addressrange | CIDR]
-
-   This is similiar to the network groups part, but here you are able to negate
-   the matching addresses.
-
-   .. code-block:: none
-
-      set firewall name WAN-IN-v4 rule 100 source address 192.0.2.10-192.0.2.11
-      # with a '!' the rule match everything except the specified subnet
-      set fitewall name WAN-IN-v4 rule 101 source address !203.0.113.0/24
-      set firewall ipv6-name WAN-IN-v6 rule 100 source address 2001:db8::202
-
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> source mac-address 
-   <mac-address>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> source mac-address 
-   <mac-address>
-
-   Only in the source criteria you can specify a mac-address
-
-   .. code-block:: none
-
-      set firewall name LAN-IN-v4 rule 100 source mac-address 00:53:00:11:22:33 
-      set firewall name LAN-IN-v4 rule 101 source mac-address !00:53:00:aa:12:34
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> source port
-   [1-65535 | portname | start-end]
-.. cfgcmd:: set firewall name <name> rule <1-9999> destination port
-   [1-65535 | portname | start-end]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> source port
-   [1-65535 | portname | start-end]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> destination port
-   [1-65535 | portname | start-end]
-
-   A port can be set with a portnumber or a name which is here
-   defined: ``/etc/services``.
-
-   .. code-block:: none
-
-      set firewall name WAN-IN-v4 rule 10 source port '22'
-      set firewall name WAN-IN-v4 rule 11 source port '!http'
-      set firewall name WAN-IN-v4 rule 12 source port 'https'
-
-   Multiple source ports can be specified as a comma-separated list.
-   The whole list can also be "negated" using '!'. For example:
-   
-   .. code-block:: none
-
-      set firewall ipv6-name WAN-IN-v6 rule 10 source port '!22,https,3333-3338'
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> source group
-   address-group <name>
-.. cfgcmd:: set firewall name <name> rule <1-9999> destination group
-   address-group <name>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> source group
-   address-group <name>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> destination group
-   address-group <name>
-
-   Use a specific address-group
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> source group
-   network-group <name>
-.. cfgcmd:: set firewall name <name> rule <1-9999> destination group
-   network-group <name>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> source group
-   network-group <name>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> destination group
-   network-group <name>
-
-   Use a specific network-group
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> source group
-   port-group <name>
-.. cfgcmd:: set firewall name <name> rule <1-9999> destination group
-   port-group <name>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> source group
-   port-group <name>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> destination group
-   port-group <name>
-
-   Use a specific port-group
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> protocol [<text> |
-   <0-255> | all | tcp_udp]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> protocol [<text> |
-   <0-255> | all | tcp_udp]
-
-   Match a protocol criteria. A protocol number or a name which is here
-   defined: ``/etc/protocols``. 
-   Special names are ``all`` for all protocols and ``tcp_udp`` for tcp and upd
-   based pakets. The ``!`` negate the selected protocol.
-
-   .. code-block:: none
-
-      set firewall name WAN-IN-v4 rule 10 protocol tcp_udp
-      set firewall name WAN-IN-v4 rule 11 protocol !tcp_udp
-      set firewall ipv6-name WAN-IN-v6 rule 10 protocol tcp
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> tcp flags <text>
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> tcp flags <text>
-
-   Allowed values fpr TCP flags: ``SYN``, ``ACK``, ``FIN``, ``RST``, ``URG``,
-   ``PSH``, ``ALL`` When specifying more than one flag, flags should be comma
-   separated. The ``!`` negate the selected protocol.
-   
-   .. code-block:: none
-
-      set firewall name WAN-IN-v4 rule 10 tcp flags 'ACK'
-      set firewall name WAN-IN-v4 rule 12 tcp flags 'SYN'
-      set firewall name WAN-IN-v4 rule 13 tcp flags 'SYN,!ACK,!FIN,!RST'
-
-.. cfgcmd:: set firewall name <name> rule <1-9999> state [established |
-   invalid | new | related] [enable | disable ]
-.. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> state [established |
-   invalid | new | related] [enable | disable ]
-
-   Match against the state of a packet.
-
-
-Applying a Rule-Set to an Interface
------------------------------------
-
-A Rule-Set can be appliend to every inteface:
-
-* ``in``: Ruleset for forwarded packets on inbound interface
-* ``out``: Ruleset for forwarded packets on outbound interface
-* ``local``: Ruleset for packets destined for this router
-
-.. cfgcmd:: set interface ethernet <ethN> firewall [in | out | local] 
-   [name | ipv6-name] <rule-set>
-
-   Here are some examples for applying a rule-set to an interface
-
-   .. code-block:: none
-
-      set interface ethernet eth1 vif 100 firewall in name LANv4-IN
-      set interface ethernet eth1 vif 100 firewall out name LANv4-OUT
-      set interface bonding bond0 firewall in name LANv4-IN
-      set interfaces openvpn vtun1 firewall in name Lanv4-IN
-
-   .. note::
-      As you can see in the example here, you can assign the same rule-set to
-      several interfaces. An interface can only have one rule-set per chain.
-
-
-Zone-based Firewall Policy
---------------------------
-
-As an alternative to applying policy to an interface directly, a
-zone-based firewall can be created to simplify configuration when
-multiple interfaces belong to the same security zone. Instead of
-applying rulesets to interfaces, they are applied to source
-zone-destination zone pairs.
-
-An basic introduction to zone-based firewalls can be found `here
-<https://support.vyos.io/en/kb/articles/a-primer-to-zone-based-firewall>`_,
-and an example at :ref:`examples-zone-policy`.
-
-Define a Zone
-*************
-
-To define a zone setup either one with interfaces or a local zone.
-
-.. cfgcmd:: set zone-policy zone <name> interface <interfacenames>
-
-   Set a interfaces to a zone. A zone can have multiple interfaces.
-   But a interface can only be member in one zone.
-
-.. cfgcmd:: set zone-policy zone <name> local-zone
-
-   Define the Zone as a local zone. A local zone have no interfaces and
-   will be applied to the router itself.
-
-.. cfgcmd:: set zone-policy zone <name> default-action [drop | reject]
-
-   Change the default-action with this setting.
-
-.. cfgcmd:: set zone-policy zone <name> description
-
-   Set a meaningful description.
-
-
-Applying a Rule-Set to a Zone
-*****************************
-
-Before you are able to apply a rule-set to a zone you have to create the zones 
-first. 
-
-.. cfgcmd::  set zone-policy zone <name> from <name> firewall name
-   <rule-set>
-.. cfgcmd::  set zone-policy zone <name> from <name> firewall ipv6-name
-   <rule-set>
-
-   You apply a rule-set always to a zone from a other zone, it is recommended
-   to create one rule-set for each zone pair.
-
-   .. code-block:: none
-
-      set zone-policy zone DMZ from LAN firewall name LANv4-to-DMZv4
-      set zone-policy zone LAN from DMZ firewall name DMZv4-to-LANv4
-
-
-Operation-mode Firewall
------------------------
-
-Rule-set overview
-*****************
-
-.. opcmd:: show firewall
-
-   This will show you a basic firewall overview
-
-   .. code-block:: none
-
-      vyos@vyos:~$ show firewall
-
-      ------------------------
-      Firewall Global Settings
-      ------------------------
-
-      Firewall state-policy for all IPv4 and Ipv6 traffic
-
-      state           action   log
-      -----           ------   ---
-      invalid         accept   disabled
-      established     accept   disabled
-      related         accept   disabled
-
-      -----------------------------
-      Rulesets Information
-      -----------------------------
-      --------------------------------------------------------------------------
-      IPv4 Firewall "DMZv4-1-IN":
-
-      Active on (eth0,IN)
-
-      rule  action   proto     packets  bytes
-      ----  ------   -----     -------  -----
-      10    accept   icmp      0        0
-      condition - saddr 10.1.0.0/24 daddr 0.0.0.0/0 LOG enabled
-
-      10000 drop     all       0        0
-      condition - saddr 0.0.0.0/0 daddr 0.0.0.0/0 LOG enabled
-
-      --------------------------------------------------------------------------
-      IPv4 Firewall "DMZv4-1-OUT":
-
-      Active on (eth0,OUT)
-
-      rule  action   proto     packets  bytes
-      ----  ------   -----     -------  -----
-      10    accept   tcp_udp   1        60
-      condition - saddr 0.0.0.0/0 daddr 0.0.0.0/0 match-DST-PORT-GROUP DMZ-Ports /*
-                  DMZv4-1-OUT-10 */LOG enabled
-
-      11    accept   icmp      1        84
-      condition - saddr 0.0.0.0/0 daddr 0.0.0.0/0 /* DMZv4-1-OUT-11 */LOG enabled
-
-      10000 drop     all       6        360
-      condition - saddr 0.0.0.0/0 daddr 0.0.0.0/0 LOG enabled
-
-      --------------------------------------------------------------------------
-      IPv4 Firewall "LANv4-IN":
-
-      Inactive - Not applied to any interfaces or zones.
-
-      rule  action   proto     packets  bytes
-      ----  ------   -----     -------  -----
-      10    accept   all       0        0
-      condition - saddr 0.0.0.0/0 daddr 0.0.0.0/0 /* LANv4-IN-10 */
-
-      10000 drop     all       0        0
-      condition - saddr 0.0.0.0/0 daddr 0.0.0.0/0
-
-.. opcmd:: show firewall summary
-
-   This will show you a summary about rule-sets and groups
-
-   .. code-block:: none
-
-      vyos@vyos:~$ show firewall summary
-
-      ------------------------
-      Firewall Global Settings
-      ------------------------
-
-      Firewall state-policy for all IPv4 and Ipv6 traffic
-
-      state           action   log
-      -----           ------   ---
-      invalid         accept   disabled
-      related         accept   disabled
-      established     accept   disabled
-
-      ------------------------
-      Firewall Rulesets
-      ------------------------
-
-      IPv4 name:
-
-      Rule-set name             Description    References
-      -------------             -----------    ----------
-      DMZv4-1-OUT                              (eth0,OUT)
-      DMZv4-1-IN                               (eth0,IN)
-
-      ------------------------
-      Firewall Groups
-      ------------------------
-
-      Port Groups:
-
-      Group name                Description    References
-      ----------                -----------    ----------
-      DMZ-Ports                                DMZv4-1-OUT-10-destination
-
-      Network Groups:
-
-      Group name                Description    References
-      ----------                -----------    ----------
-      LANv4                                    LANv4-IN-10-source,
-                                                DMZv4-1-OUT-10-source,
-                                                DMZv4-1-OUT-11-source
-
-.. opcmd:: show firewall statistics
-
-   This will show you a statistic of all rule-sets since the last boot.
-   
-.. opcmd:: show firewall [name | ipv6name] <name> rule <1-9999>
-
-   This command will give an overview about a rule in a single rule-set
-
-.. opcmd:: show firewall group <name>
-
-   Overview of defined groups. You see the type, the members, and where the
-   group is used.
-
-   .. code-block:: none
-
-      vyos@vyos:~$ show firewall group DMZ-Ports
-      Name       : DMZ-Ports
-      Type       : port
-      References : none
-      Members    :
-                  80
-                  443
-                  8080
-                  8443
-      
-      vyos@vyos:~$ show firewall group LANv4
-      Name       : LANv4
-      Type       : network
-      References : LANv4-IN-10-source
-      Members    :
-                  10.10.0.0/16
-
-.. opcmd:: show firewall [name | ipv6name] <name>
-
-   This command will give an overview about a single rule-set
-
-.. opcmd:: show firewall [name | ipv6name] <name> statistics
-
-   This will show you a rule-set statistic since the last boot.
-
-.. opcmd:: show firewall [name | ipv6name] <name> rule <1-9999>
-
-   This command will give an overview about a rule in a single rule-set
-
-
-Zone-Policy Overview
-********************
-
-.. opcmd:: show zone-policy zone <name>
-
-   Use this command to get an overview about a zone
-
-   .. code-block:: none
-
-      vyos@vyos:~$ show zone-policy zone DMZ
-      -------------------
-      Name: DMZ
-
-      Interfaces: eth0 eth1
-
-      From Zone:
-      name                                    firewall
-      ----                                    --------
-      LAN                                     DMZv4-1-OUT
-
-
-Show Firewall log
-*****************
-
-.. opcmd:: show log firewall [name | ipv6name] <name>
-
-   Show the logs of a specific Rule-Set
-
-.. note::
-   At the moment it not possible to look at the whole firewall log with VyOS
-   operational commands. All logs will save to ``/var/logs/messages``.
-   For example: ``grep '10.10.0.10' /var/log/messages``
-
-
-
-Example Partial Config
-----------------------
-
-.. code-block:: none
-
-  firewall {
-     all-ping enable
-     broadcast-ping disable
-     config-trap disable
-     group {
-         network-group BAD-NETWORKS {
-             network 198.51.100.0/24
-             network 203.0.113.0/24
-         }
-         network-group GOOD-NETWORKS {
-             network 192.0.2.0/24
-         }
-         port-group BAD-PORTS {
-             port 65535
-         }
-     }
-     name FROM-INTERNET {
-         default-action accept
-         description "From the Internet"
-         rule 10 {
-             action accept
-             description "Authorized Networks"
-             protocol all
-             source {
-                 group {
-                     network-group GOOD-NETWORKS
-                 }
-             }
-         }
-         rule 11 {
-             action drop
-             description "Bad Networks"
-             protocol all
-             source {
-                 group {
-                     network-group BAD-NETWORKS
-                 }
-             }
-         }
-         rule 30 {
-             action drop
-             description "BAD PORTS"
-             destination {
-                 group {
-                     port-group BAD-PORTS
-                 }
-             }
-             log enable
-             protocol all
-         }
-     }
-  }
-  interfaces {
-     ethernet eth1 {
-         address dhcp
-         description OUTSIDE
-         duplex auto
-         firewall {
-             in {
-                 name FROM-INTERNET
-             }
-         }
-     }
-  }