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Diffstat (limited to 'docs/configuration/firewall/index.rst')
| -rw-r--r-- | docs/configuration/firewall/index.rst | 70 |
1 files changed, 37 insertions, 33 deletions
diff --git a/docs/configuration/firewall/index.rst b/docs/configuration/firewall/index.rst index bfaa39b2..d52d6f2a 100644 --- a/docs/configuration/firewall/index.rst +++ b/docs/configuration/firewall/index.rst @@ -1,3 +1,5 @@ +:lastproofread: 2021-06-29 + .. _firewall: ######## @@ -29,7 +31,7 @@ or zone based firewall policy. Global settings *************** -Some firewall settings are global and have a affect on the whole system. +Some firewall settings are global and have an affect on the whole system. .. cfgcmd:: set firewall all-ping [enable | disable] @@ -89,7 +91,7 @@ Some firewall settings are global and have a affect on the whole system. .. cfgcmd:: set firewall send-redirects [enable | disable] - enable or disable of ICMPv4 redirect messages send by VyOS + enable or disable ICMPv4 redirect messages send by VyOS The following system parameter will be altered: * ``net.ipv4.conf.all.send_redirects`` @@ -127,7 +129,7 @@ Some firewall settings are global and have a affect on the whole system. .. cfgcmd:: set firewall state-policy established log enable - Set the global setting for a astablished connections. + Set the global setting for an established connection. .. cfgcmd:: set firewall state-policy invalid action [accept | drop | reject] @@ -163,8 +165,8 @@ names. Address Groups ============== -In a **address group** a single IP adresses or IP address ranges are -definded. +In an **address group** a single IP address or IP address ranges are +defined. .. cfgcmd:: set firewall group address-group <name> address [address | address range] @@ -221,7 +223,7 @@ 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 + Define a port group. A port name can be any name defined in /etc/services. e.g.: http .. code-block:: none @@ -240,10 +242,10 @@ 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 +to an interface or a 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. +the action of the rule will be executed. .. cfgcmd:: set firewall name <name> description <text> .. cfgcmd:: set firewall ipv6-name <name> description <text> @@ -254,7 +256,7 @@ the action of the rule will executed. .. 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 + This set the default action of the rule-set if no rule matched a packet criteria. .. cfgcmd:: set firewall name <name> enable-default-log @@ -267,7 +269,7 @@ the action of the rule will executed. .. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> action [drop | reject | accept] - This required setting define the action of the current rule. + This required setting defines 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> @@ -287,7 +289,7 @@ the action of the rule will executed. Matching criteria ================= -There are a lot of matching criteria gainst which the package can be tested. +There are a lot of matching criteria against which the package can be tested. .. cfgcmd:: set firewall name <name> rule <1-9999> source address @@ -299,7 +301,7 @@ There are a lot of matching criteria gainst which the package can be tested. .. 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 + This is similar to the network groups part, but here you are able to negate the matching addresses. .. code-block:: none @@ -315,7 +317,7 @@ There are a lot of matching criteria gainst which the package can be tested. .. 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 + Only in the source criteria, you can specify a mac-address. .. code-block:: none @@ -331,7 +333,7 @@ There are a lot of matching criteria gainst which the package can be tested. .. 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 + A port can be set with a port number or a name which is here defined: ``/etc/services``. .. code-block:: none @@ -387,8 +389,8 @@ There are a lot of matching criteria gainst which the package can be tested. 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. + Special names are ``all`` for all protocols and ``tcp_udp`` for tcp and udp + based packets. The ``!`` negate the selected protocol. .. code-block:: none @@ -410,9 +412,9 @@ There are a lot of matching criteria gainst which the package can be tested. 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 ] + invalid | new | related] [enable | disable] .. cfgcmd:: set firewall ipv6-name <name> rule <1-9999> state [established | - invalid | new | related] [enable | disable ] + invalid | new | related] [enable | disable] Match against the state of a packet. @@ -421,10 +423,10 @@ There are a lot of matching criteria gainst which the package can be tested. Applying a Rule-Set to an Interface *********************************** -A Rule-Set can be appliend to every inteface: +A Rule-Set can be applied to every interface: -* ``in``: Ruleset for forwarded packets on inbound interface -* ``out``: Ruleset for forwarded packets on outbound interface +* ``in``: Ruleset for forwarded packets on an inbound interface +* ``out``: Ruleset for forwarded packets on an outbound interface * ``local``: Ruleset for packets destined for this router .. cfgcmd:: set interface ethernet <ethN> firewall [in | out | local] @@ -451,7 +453,7 @@ 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 +applying rule-sets to interfaces, they are applied to source zone-destination zone pairs. An basic introduction to zone-based firewalls can be found `here @@ -465,12 +467,12 @@ 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. + Set interfaces to a zone. A zone can have multiple interfaces. + But an interface can only be a 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 + Define the zone as a local zone. A local zone has no interfaces and will be applied to the router itself. .. cfgcmd:: set zone-policy zone <name> default-action [drop | reject] @@ -486,14 +488,14 @@ 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. +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 + You apply a rule-set always to a zone from an other zone, it is recommended to create one rule-set for each zone pair. .. code-block:: none @@ -577,7 +579,7 @@ Rule-set overview .. opcmd:: show firewall summary - This will show you a summary about rule-sets and groups + This will show you a summary of rule-sets and groups .. code-block:: none @@ -630,7 +632,7 @@ Rule-set overview .. opcmd:: show firewall [name | ipv6name] <name> rule <1-9999> - This command will give an overview about a rule in a single rule-set + This command will give an overview of a rule in a single rule-set .. opcmd:: show firewall group <name> @@ -658,7 +660,7 @@ Rule-set overview .. opcmd:: show firewall [name | ipv6name] <name> - This command will give an overview about a single rule-set + This command will give an overview of a single rule-set. .. opcmd:: show firewall [name | ipv6name] <name> statistics @@ -666,7 +668,7 @@ Rule-set overview .. opcmd:: show firewall [name | ipv6name] <name> rule <1-9999> - This command will give an overview about a rule in a single rule-set + This command will give an overview of a rule in a single rule-set. Zone-Policy Overview @@ -674,7 +676,7 @@ Zone-Policy Overview .. opcmd:: show zone-policy zone <name> - Use this command to get an overview about a zone + Use this command to get an overview of a zone. .. code-block:: none @@ -695,7 +697,7 @@ Show Firewall log .. opcmd:: show log firewall [name | ipv6name] <name> - Show the logs of a specific Rule-Set + Show the logs of a specific Rule-Set. .. note:: At the moment it not possible to look at the whole firewall log with VyOS @@ -830,6 +832,8 @@ IPv6 Use this command to set the maximum segment size for IPv6 transit packets on a specific interface (1280-1492 bytes). +.. _firewall:ipv6_example: + Example ------- |