---
lastproofread: '2026-04-01'
---

(firewall-ipv6-configuration)=

# IPv6 Firewall Configuration

## Overview

This section covers useful information about IPv6 firewall configuration and
appropriate operation-mode commands.

This section describes the following configuration commands:

```{cfgcmd} set firewall ipv6 ...
```

To learn about the general traffic flow in VyOS firewalls, see {doc}`Firewall </configuration/firewall/index>`.

```none
- set firewall
    * ipv6
         - forward
            + filter
         - input
            + filter
         - output
            + filter
            + raw
         - prerouting
            + raw
         - name
            + custom_name
```

The router first receives all traffic and processes it in the **prerouting**
section.


This stage includes:


- **Firewall Prerouting**: commands found under `set firewall ipv6
  prerouting raw ...`
- {doc}`Conntrack Ignore</configuration/system/conntrack>`: `set system
  conntrack ignore ipv6...`
- {doc}`Policy Route</configuration/policy/route>`: commands found under
  `set policy route6 ...`
- {doc}`Destination NAT</configuration/nat/nat44>`: commands found under
  `set nat66 destination ...`


For transit traffic that the router receives and forwards, the base chain is
**forward**. The following diagram shows a simplified packet flow for transit
traffic:


:::{figure} /_static/images/firewall-fwd-packet-flow.webp
:::


Use `set firewall ipv6 forward filter ...` to configure filtering rules for
transit traffic. This command corresponds to stage 5 and is highlighted in red
in the diagram.


For traffic destined to the router, use the **input** chain. For traffic the
router generates, use the **output** chain. The following diagram shows the
packet flow for traffic destined to the router and traffic generated by the
router (starting from circle number 6):


:::{figure} /_static/images/firewall-input-packet-flow.webp
:::


Use `set firewall ipv6 input filter ...` to configure traffic destined to
the router.


Use `set firewall ipv6 output ...` to configure traffic the router generates.
Two sub-chains are available: **filter** and **raw**:


- **Output Prerouting**: `set firewall ipv6 output raw ...`.
  As described in **Prerouting**, the firewall processes rules in this
  section before the connection tracking subsystem.
- **Output Filter**: `set firewall ipv6 output filter ...`. The firewall
  processes rules in this section after the connection tracking subsystem.


:::{note}
**Important note about default-actions:**
If you do not define a default action for a base chain, the system sets
the default action to **accept** for that chain. For custom chains, if you
do not define a default action, the system sets the default-action to
**drop**
:::


Create custom firewall chains using the commands
`set firewall ipv6 name <name> ...`. To use the custom chain, define a
rule with **action jump** and the appropriate **target** in a base chain.


## Firewall - IPv6 Rules


Create firewall rules for firewall filtering. Each rule is numbered and has
an action to apply when the rule is matched. You can specify multiple matching
criteria. Packets go through rules from 1 - 999999, so order is crucial. The
firewall executes the action of the first matching rule.


### Actions


If you define a rule, you must define an action for it. The action tells the
firewall what to do when all criteria for that rule are met.


The action can be :


- `accept`: accept the packet.
- `continue`: continue parsing next rule.
- `drop`: drop the packet.
- `reject`: reject the packet.
- `jump`: jump to another custom chain.
- `return`: Return from the current chain and continue at the next rule
  of the last chain.
- `queue`: Enqueue packet to userspace.
- `synproxy`: synproxy the packet.

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> action [accept | continue | drop | jump | queue | reject | return | synproxy]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> action [accept | continue | drop | jump | queue | reject | return | synproxy]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> action [accept | continue | drop | jump | queue | reject | return]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> action [accept | continue | drop | jump | queue | reject | return]

This required setting defines the action of the current rule. If you set
the action to jump, you must also define a jump-target.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> jump-target \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> jump-target \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> jump-target \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> jump-target \<text\>

Use this command only when action is set to ``jump``. Specify the jump
target.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> queue \<0-65535\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> queue \<0-65535\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> queue \<0-65535\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> queue \<0-65535\>

Use this command only when action is set to ``queue``. Specify the queue
target. Queue ranges are also supported.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> queue-options bypass
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> queue-options bypass
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> queue-options bypass
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> queue-options bypass

Use this command only when action is set to ``queue``. This command allows
the packet to go through the firewall when no userspace software is connected
to the queue.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> queue-options fanout
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> queue-options fanout
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> queue-options fanout
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> queue-options fanout

Use this command only when action is set to ``queue``. This command
distributes packets among multiple queues.
```

Also, **default-action** is an action that takes place whenever a packet does
not match any rule in its chain. For base chains, possible options for
**default-action** are **accept** or **drop**.

```{cfgcmd} set firewall ipv6 forward filter default-action [accept | drop]
```

```{cfgcmd} set firewall ipv6 input filter default-action [accept | drop]
```

```{cfgcmd} set firewall ipv6 output filter default-action [accept | drop]
```

```{cfgcmd} set firewall ipv6 name \<name\> default-action [accept | drop | jump | queue | reject | return]

Set the default action of the rule-set if a packet does not match any rule
criteria. If you set default-action to ``jump``, you must also define
``default-jump-target``. For base chains, you can only set the default
action to ``accept`` or ``drop``. For custom chains, more actions are
available.
```

```{cfgcmd} set firewall ipv6 name \<name\> default-jump-target \<text\>

To be used only when ``default-action`` is set to ``jump``. Use this
command to specify the jump target for the default rule.
```
:::{note}
**Important note about default-actions:**
If you do not define the default action for a base chain, the system sets
the default action to **accept** for that chain. For custom chains, if you
do not define a default action, the system sets the default-action to
**drop**.
:::


### Firewall Logs


You can enable logging for each firewall rule. When enabled, you can also
define other log options.

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> log
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> log
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> log
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> log

Enable logging for matched packets. If this configuration command is not
present, logging is disabled.
```

```{cfgcmd} set firewall ipv6 forward filter default-log
```

```{cfgcmd} set firewall ipv6 input filter default-log
```

```{cfgcmd} set firewall ipv6 output filter default-log
```

```{cfgcmd} set firewall ipv6 name \<name\> default-log

Use this command to enable the logging of the default action on
the specified chain.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> log-options level [emerg | alert | crit | err | warn | notice | info | debug]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> log-options level [emerg | alert | crit | err | warn | notice | info | debug]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> log-options level [emerg | alert | crit | err | warn | notice | info | debug]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> log-options level [emerg | alert | crit | err | warn | notice | info | debug]

Define log-level. Only applicable if rule log is enabled.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> log-options group \<0-65535\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> log-options group \<0-65535\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> log-options group \<0-65535\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> log-options group \<0-65535\>

Define the log group to send messages to. Only applicable if rule log is
enabled.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> log-options snapshot-length \<0-9000\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> log-options snapshot-length \<0-9000\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> log-options snapshot-length \<0-9000\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> log-options snapshot-length \<0-9000\>

Define the length of packet payload to include in a netlink message. Only
applicable when rule logging is enabled and log group is defined.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> log-options queue-threshold \<0-65535\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> log-options queue-threshold \<0-65535\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> log-options queue-threshold \<0-65535\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> log-options queue-threshold \<0-65535\>

Define the number of packets to queue inside the kernel before sending them
to userspace. Only applicable when rule logging is enabled and log group is
defined.
```

### Firewall Description


For reference, you can define descriptions on every rule and custom chain.

```{cfgcmd} set firewall ipv6 name \<name\> description \<text\>

Provide a rule-set description to a custom firewall chain.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> description \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> description \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> description \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> description \<text\>

Provide a description for each rule.
```

### Rule Status


New rules are enabled by default. In some cases, you may want to disable a
rule rather than remove it.

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> disable
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> disable
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> disable
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> disable

Command for disabling a rule but keep it in the configuration.
```

### Matching criteria


There are a lot of matching criteria against which the packet can be tested.

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> connection-status nat [destination | source]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> connection-status nat [destination | source]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> connection-status nat [destination | source]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> connection-status nat [destination | source]

Match packets based on NAT connection status.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> connection-mark \<1-2147483647\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> connection-mark \<1-2147483647\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> connection-mark \<1-2147483647\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> connection-mark \<1-2147483647\>

Match packets based on connection mark.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination address [address | addressrange | CIDR]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination address [address | addressrange | CIDR]

Match based on source or destination address. This is similar to network
groups, but you can negate the matching addresses here.

:::{code-block} none
set firewall ipv6 name FOO rule 100 source address 2001:db8::202
:::
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source address-mask [address]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source address-mask [address]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source address-mask [address]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source address-mask [address]
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination address-mask [address]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination address-mask [address]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination address-mask [address]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination address-mask [address]

Apply an arbitrary netmask to mask addresses and match only a specific
portion. This is useful for IPv6 because rules remain valid when the IPv6
prefix changes if the host portion of the system's IPv6 address is static.
Examples include SLAAC and tokenised IPv6 addresses

This function works for both individual addresses and address groups.


:::{code-block} none
# Match any IPv6 address with the suffix ::0000:0000:0000:beef
set firewall ipv6 forward filter rule 100 destination address ::beef
set firewall ipv6 forward filter rule 100 destination address-mask ::ffff:ffff:ffff:ffff
# Address groups
set firewall group ipv6-address-group WEBSERVERS address ::1000
set firewall group ipv6-address-group WEBSERVERS address ::2000
set firewall ipv6 forward filter rule 200 source group address-group WEBSERVERS
set firewall ipv6 forward filter rule 200 source address-mask ::ffff:ffff:ffff:ffff
:::
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination fqdn \<fqdn\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination fqdn \<fqdn\>

Specify a Fully Qualified Domain Name as source or destination to match.
Ensure that the router can resolve the DNS query.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination geoip country-code \<country\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination geoip asn \<1-4294967294\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source geoip inverse-match
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source geoip inverse-match
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source geoip inverse-match
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source geoip inverse-match
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination geoip inverse-match
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination geoip inverse-match
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination geoip inverse-match
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination geoip inverse-match

Match IP addresses based on their geolocation. For more information, see
GeoIP matching.
Use country-code or asn to match based on geography or origin network.
Use inverse-match to match anything except the specified country code or ASN.
```

DB-IP.com provides data under CC-BY-4.0 license. Attribution is required and
redistribution is permitted, allowing VyOS to include a database in images
(approximately 3 MB compressed). The package includes a cron script that you
can manually call through op-mode update geoip to keep the database and rules
updated.

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source mac-address \<mac-address\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source mac-address \<mac-address\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source mac-address \<mac-address\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source mac-address \<mac-address\>

You can specify only a source MAC address to match.

:::{code-block} none
set firewall ipv6 input filter rule 100 source mac-address 00:53:00:11:22:33
set firewall ipv6 input filter rule 101 source mac-address !00:53:00:aa:12:34
:::
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination port [1-65535 | portname | start-end]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination port [1-65535 | portname | start-end]

Specify a port by number or by name as defined in ``/etc/services``.

:::{code-block} none
set firewall ipv6 forward filter rule 10 source port '22'
set firewall ipv6 forward filter rule 11 source port '!http'
set firewall ipv6 forward filter 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 forward filter rule 10 source port '!22,https,3333-3338'
:::
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination group address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination group address-group \<name | !name\>

Specify an address group. You can prepend the character ``!`` to invert the
matching criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination group dynamic-address-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination group dynamic-address-group \<name | !name\>

Specify a dynamic address group. You can prepend the character ``!`` to
invert the matching criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination group network-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination group network-group \<name | !name\>

Specify a network group. You can prepend the character ``!`` to invert the
matching criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination group port-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination group port-group \<name | !name\>

Specify a port group. You can prepend the character ``!`` to invert the
matching criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination group domain-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination group domain-group \<name | !name\>

Specify a domain group. You can prepend the character ``!`` to invert the
matching criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> source group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> source group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> source group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> source group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> destination group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> destination group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> destination group mac-group \<name | !name\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> destination group mac-group \<name | !name\>

Specify a MAC group. You can prepend the character ``!`` to invert the
matching criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> dscp [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> dscp [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> dscp [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> dscp [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> dscp-exclude [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> dscp-exclude [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> dscp-exclude [0-63 | start-end]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> dscp-exclude [0-63 | start-end]

Match based on dscp value.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> fragment [match-frag | match-non-frag]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> fragment [match-frag | match-non-frag]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> fragment [match-frag | match-non-frag]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> fragment [match-frag | match-non-frag]

Match packets based on fragmentation.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> icmpv6 [code | type] \<0-255\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> icmpv6 [code | type] \<0-255\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> icmpv6 [code | type] \<0-255\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> icmpv6 [code | type] \<0-255\>

Match packets based on ICMP or ICMPv6 code and type.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> icmpv6 type-name \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> icmpv6 type-name \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> icmpv6 type-name \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> icmpv6 type-name \<text\>

Match based on ICMPv6 type-name. Press **Tab** for information about
supported **type-name** criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> inbound-interface name \<iface\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> inbound-interface name \<iface\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> inbound-interface name \<iface\>

Match based on inbound interface. You can use the wildcard ``*``. For
example: ``eth2*``. You can prepend the character ``!`` to invert the
matching criteria. For example ``!eth2``
```
:::{note}
If an interface is attached to a non-default VRF, when using
**inbound-interface**, use the VRF name. For example:
`set firewall ipv6 forward filter rule 10 inbound-interface name MGMT`
:::
```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> inbound-interface group \<iface_group\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> inbound-interface group \<iface_group\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> inbound-interface group \<iface_group\>

Match based on the inbound interface group. You can prepend the character
``!`` to invert the matching criteria. For example ``!IFACE_GROUP``
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> outbound-interface name \<iface\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> outbound-interface name \<iface\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> outbound-interface name \<iface\>

Match based on outbound interface. You can use the wildcard ``*``. For
example: ``eth2*``. You can prepend the character ``!`` to invert the
matching criteria. For example ``!eth2``
```
:::{note}
If an interface is attached to a non-default VRF, when using
**outbound-interface**, use the physical interface name. For example:
`set firewall ipv6 forward filter rule 10 outbound-interface name eth0`
:::
```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> outbound-interface group \<iface_group\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> outbound-interface group \<iface_group\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> outbound-interface group \<iface_group\>

Match based on outbound interface group. You can prepend the character ``!``
to invert the matching criteria. For example ``!IFACE_GROUP``
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> ipsec [match-ipsec-in | match-ipsec-out | match-none-in | match-none-out]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> ipsec [match-ipsec-in | match-none-in]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> ipsec [match-ipsec-out | match-none-out]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> ipsec [match-ipsec-in | match-ipsec-out | match-none-in | match-none-out]

Match packets based on IPsec.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> limit burst \<0-4294967295\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> limit burst \<0-4294967295\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> limit burst \<0-4294967295\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> limit burst \<0-4294967295\>

Match based on the maximum number of packets allowed to exceed the rate
limit.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> limit rate \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> limit rate \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> limit rate \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> limit rate \<text\>

Match based on the maximum average rate, specified as ``integer/unit``.
For example, specify ``5/minutes``.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> packet-length \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> packet-length \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> packet-length \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> packet-length \<text\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> packet-length-exclude \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> packet-length-exclude \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> packet-length-exclude \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> packet-length-exclude \<text\>

Match based on packet length. You can specify multiple values from 1 to
65535 and ranges.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> packet-type [broadcast | host | multicast | other]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> packet-type [broadcast | host | multicast | other]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> packet-type [broadcast | host | multicast | other]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> packet-type [broadcast | host | multicast | other]

Match based on packet type.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> protocol [\<text\> | \<0-255\> | all | tcp_udp]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> protocol [\<text\> | \<0-255\> | all | tcp_udp]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> protocol [\<text\> | \<0-255\> | all | tcp_udp]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> protocol [\<text\> | \<0-255\> | all | tcp_udp]

Match based on protocol number or name as defined in ``/etc/protocols``.
Specify ``all`` for all protocols and ``tcp_udp`` for TCP and UDP packets.
Prepend ``!`` to negate the protocol selection.

:::{code-block} none
set firewall ipv6 input filter rule 10 protocol tcp
:::
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> recent time [second | minute | hour]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> recent time [second | minute | hour]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> recent time [second | minute | hour]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> recent time [second | minute | hour]

Match packets based on recently seen sources.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> tcp flags [not] \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> tcp flags [not] \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> tcp flags [not] \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> tcp flags [not] \<text\>

Allowed values for TCP flags: ``ack``, ``cwr``, ``ecn``, ``fin``, ``psh``,
``rst``, ``syn``, and ``urg``. You can specify multiple values. To invert
the selection, use ``not``, as shown in the following example.

:::{code-block} none
set firewall ipv6 input filter rule 10 tcp flags 'ack'
set firewall ipv6 input filter rule 12 tcp flags 'syn'
set firewall ipv6 input filter rule 13 tcp flags not 'fin'
:::
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> state [established | invalid | new | related]
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> state [established | invalid | new | related]
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> state [established | invalid | new | related]
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> state [established | invalid | new | related]

Match based on packet state.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> time startdate \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> time startdate \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> time startdate \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> time startdate \<text\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> time starttime \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> time starttime \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> time starttime \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> time starttime \<text\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> time stopdate \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> time stopdate \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> time stopdate \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> time stopdate \<text\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> time stoptime \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> time stoptime \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> time stoptime \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> time stoptime \<text\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> time weekdays \<text\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> time weekdays \<text\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> time weekdays \<text\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> time weekdays \<text\>

Match packets based on time criteria.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> hop-limit \<eq | gt | lt\> \<0-255\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> hop-limit \<eq | gt | lt\> \<0-255\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> hop-limit \<eq | gt | lt\> \<0-255\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> hop-limit \<eq | gt | lt\> \<0-255\>

Match the hop-limit parameter. Use ``eq`` for equal, ``gt`` for greater than,
and ``lt`` for less than.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> recent count \<1-255\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> recent time \<second | minute | hour\>
```

```{cfgcmd} set firewall ipv6 input filter rule \<1-999999\> recent time \<second | minute | hour\>
```

```{cfgcmd} set firewall ipv6 output filter rule \<1-999999\> recent time \<second | minute | hour\>
```

```{cfgcmd} set firewall ipv6 name \<name\> rule \<1-999999\> recent time \<second | minute | hour\>

Match when the specified number of connections occur within the specified
time period. Use these criteria to block brute-force attempts.
```

### Packet Modifications


The firewall can modify packets before sending them.
This feature provides more flexibility for packet handling.

```{cfgcmd} set firewall ipv6 prerouting raw rule \<1-999999\> set dscp \<0-63\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> set dscp \<0-63\>
```

```{cfgcmd} set firewall ipv6 output [filter | raw] rule \<1-999999\> set dscp \<0-63\>

Set a specific value of Differentiated Services Codepoint (DSCP).
```

```{cfgcmd} set firewall ipv6 prerouting raw rule \<1-999999\> set mark \<1-2147483647\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> set mark \<1-2147483647\>
```

```{cfgcmd} set firewall ipv6 output [filter | raw] rule \<1-999999\> set mark \<1-2147483647\>

Set a specific packet mark value.
```

```{cfgcmd} set firewall ipv6 prerouting raw rule \<1-999999\> set tcp-mss \<500-1460\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> set tcp-mss \<500-1460\>
```

```{cfgcmd} set firewall ipv6 output [filter | raw] rule \<1-999999\> set tcp-mss \<500-1460\>

Set the TCP-MSS (TCP maximum segment size) for the connection.
```

```{cfgcmd} set firewall ipv6 prerouting raw rule \<1-999999\> set hop-limit \<0-255\>
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> set hop-limit \<0-255\>
```

```{cfgcmd} set firewall ipv6 output [filter | raw] rule \<1-999999\> set hop-limit \<0-255\>

Set hop limit value.
```

```{cfgcmd} set firewall ipv6 forward filter rule \<1-999999\> set connection-mark \<0-2147483647\>
```

```{cfgcmd} set firewall ipv6 output [filter | raw] rule \<1-999999\> set connection-mark \<0-2147483647\>

Set connection mark value.
```

## Synproxy


Synproxy connections

```{cfgcmd} set firewall ipv6 [input | forward] filter rule \<1-999999\> action synproxy
```

```{cfgcmd} set firewall ipv6 [input | forward] filter rule \<1-999999\> protocol tcp
```

```{cfgcmd} set firewall ipv6 [input | forward] filter rule \<1-999999\> synproxy tcp mss \<501-65535\>

 Set the TCP MSS (maximum segment size) for the connection.
```

```{cfgcmd} set firewall ipv6 [input | forward] filter rule \<1-999999\> synproxy tcp window-scale \<1-14\>

 Set the window scale factor for TCP window scaling.
```

### Example synproxy


Requirements to enable synproxy:


- Traffic must be symmetric
- Synproxy relies on syncookies and TCP timestamps, ensure these are enabled
- Disable conntrack loose track option

```none
set system sysctl parameter net.ipv4.tcp_timestamps value '1'


set system conntrack tcp loose disable

set system conntrack ignore ipv6 rule 10 destination port '8080'

set system conntrack ignore ipv6 rule 10 protocol 'tcp'

set system conntrack ignore ipv6 rule 10 tcp flags syn


set firewall global-options syn-cookies 'enable'

set firewall ipv6 input filter rule 10 action 'synproxy'

set firewall ipv6 input filter rule 10 destination port '8080'

set firewall ipv6 input filter rule 10 inbound-interface name 'eth1'

set firewall ipv6 input filter rule 10 protocol 'tcp'

set firewall ipv6 input filter rule 10 synproxy tcp mss '1460'

set firewall ipv6 input filter rule 10 synproxy tcp window-scale '7'

set firewall ipv6 input filter rule 1000 action 'drop'

set firewall ipv6 input filter rule 1000 state invalid

```

## Operation-mode Firewall


### Rule-set overview

```{opcmd} show firewall

Show a basic firewall overview for all rule-sets, not only for IPv6:

:::{code-block} none
vyos@vyos:~$ show firewall
Rulesets Information

---------------------------------
IPv4 Firewall "forward filter"

Rule     Action    Protocol      Packets    Bytes  Conditions
-------  --------  ----------  ---------  -------  -----------------------------------------
5        jump      all                 0        0  iifname "eth1"  jump NAME_VyOS_MANAGEMENT
10       jump      all                 0        0  oifname "eth1"  jump NAME_WAN_IN
15       jump      all                 0        0  iifname "eth3"  jump NAME_WAN_IN
default  accept    all

---------------------------------
IPv4 Firewall "name VyOS_MANAGEMENT"

Rule     Action    Protocol      Packets    Bytes  Conditions
-------  --------  ----------  ---------  -------  --------------------------------
5        accept    all                 0        0  ct state established  accept
10       drop      all                 0        0  ct state invalid
20       accept    all                 0        0  ip saddr @A_GOOD_GUYS  accept
30       accept    all                 0        0  ip saddr @N_ENTIRE_RANGE  accept
40       accept    all                 0        0  ip saddr @A_VyOS_SERVERS  accept
50       accept    icmp                0        0  meta l4proto icmp  accept
default  drop      all                 0        0

---------------------------------
IPv6 Firewall "forward filter"

Rule     Action    Protocol
-------  --------  ----------
5        jump      all
10       jump      all
15       jump      all
default  accept    all

---------------------------------
IPv6 Firewall "input filter"

Rule     Action    Protocol
-------  --------  ----------
5        jump      all
default  accept    all

---------------------------------
IPv6 Firewall "ipv6_name IPV6-VyOS_MANAGEMENT"

Rule     Action    Protocol
-------  --------  ----------
5        accept    all
10       drop      all
20       accept    all
30       accept    all
40       accept    all
50       accept    ipv6-icmp
default  drop      all
:::
```

```{opcmd} show firewall summary

This will show you a summary of rule-sets and groups

:::{code-block} none
vyos@vyos:~$ show firewall summary
Ruleset Summary

IPv6 Ruleset:

Ruleset Hook    Ruleset Priority      Description
--------------  --------------------  -------------------------
forward         filter
input           filter
ipv6_name       IPV6-VyOS_MANAGEMENT
ipv6_name       IPV6-WAN_IN           PUBLIC_INTERNET

IPv4 Ruleset:

Ruleset Hook    Ruleset Priority    Description
--------------  ------------------  -------------------------
forward         filter
input           filter
name            VyOS_MANAGEMENT
name            WAN_IN              PUBLIC_INTERNET

Firewall Groups

Name                     Type                References               Members
-----------------------  ------------------  -----------------------  ----------------
PBX                      address_group       WAN_IN-100               198.51.100.77
SERVERS                  address_group       WAN_IN-110               192.0.2.10
WAN_IN-111               192.0.2.11
WAN_IN-112               192.0.2.12
WAN_IN-120
WAN_IN-121
WAN_IN-122
SUPPORT                  address_group       VyOS_MANAGEMENT-20       192.168.1.2
WAN_IN-20
PHONE_VPN_SERVERS        address_group       WAN_IN-160               10.6.32.2
PINGABLE_ADDRESSES        address_group       WAN_IN-170               192.168.5.2
WAN_IN-171
PBX                      ipv6_address_group  IPV6-WAN_IN-100          2001:db8::1
SERVERS                  ipv6_address_group  IPV6-WAN_IN-110          2001:db8::2
IPV6-WAN_IN-111          2001:db8::3
IPV6-WAN_IN-112          2001:db8::4
IPV6-WAN_IN-120
IPV6-WAN_IN-121
IPV6-WAN_IN-122
SUPPORT                  ipv6_address_group  IPV6-VyOS_MANAGEMENT-20  2001:db8::5
IPV6-WAN_IN-20
:::
```

```{opcmd} show firewall ipv6 [forward | input | output] filter
```

```{opcmd} show firewall ipv6 ipv6-name \<name\>

This command will give an overview of a single rule-set.

:::{code-block} none
vyos@vyos:~$ show firewall ipv6 input filter
Ruleset Information

---------------------------------
ipv6 Firewall "input filter"

Rule     Action    Protocol      Packets    Bytes  Conditions
-------  --------  ----------  ---------  -------  ------------------------------------------------------------------------------
10       jump      all                13     1456  iifname "eth1"  jump NAME6_INP-ETH1
20       accept    ipv6-icmp          10     1112  meta l4proto ipv6-icmp iifname "eth0"  prefix "[ipv6-INP-filter-20-A]"  accept
default  accept    all                14     1584

vyos@vyos:~$
:::
```

```{opcmd} show firewall ipv6 [forward | input | output] filter rule \<1-999999\>
```

```{opcmd} show firewall ipv6 name \<name\> rule \<1-999999\>
```

```{opcmd} show firewall ipv6 ipv6-name \<name\> rule \<1-999999\>

This command will give an overview of a rule in a single rule-set
```

```{opcmd} show firewall group \<name\>

Show an overview of defined groups, including the type, members, and where
the group is used.

:::{code-block} none
vyos@vyos:~$ show firewall group LAN
Firewall Groups

Name          Type                References               Members
------------  ------------------  -----------------------  ----------------
LAN           ipv6_network_group  IPV6-VyOS_MANAGEMENT-30  2001:db8::0/64
IPV6-WAN_IN-30
LAN           network_group       VyOS_MANAGEMENT-30       192.168.200.0/24
WAN_IN-30
:::
```

```{opcmd} show firewall statistics

Show statistics of all rule-sets since the last boot.
```

### Show Firewall log

```{opcmd} show log firewall
```

```{opcmd} show log firewall ipv6
```

```{opcmd} show log firewall ipv6 [forward | input | output | name]
```

```{opcmd} show log firewall ipv6 [forward | input | output] filter
```

```{opcmd} show log firewall ipv6 name \<name\>
```

```{opcmd} show log firewall ipv6 [forward | input | output] filter rule \<rule\>
```

```{opcmd} show log firewall ipv6 name \<name\> rule \<rule\>

Show firewall logs for all firewalls, all IPv6 firewalls, specific hooks,
specific priorities, specific custom chains, or specific rule-sets.
```

### Example Partial Config

```none
firewall {
    ipv6 {
        input {
            filter {
                rule 10 {
                    action jump
                    inbound-interface {
                        name eth1
                    }
                    jump-target INP-ETH1
                }
                rule 20 {
                    action accept
                    inbound-interface {
                        name eth0
                    }
                    log
                    protocol ipv6-icmp
                }
            }
        }
        name INP-ETH1 {
            default-action drop
            default-log
            rule 10 {
                action accept
                protocol tcp_udp
            }
        }
    }
}
```

### Update geoip database

```{opcmd} update geoip

Command used to update GeoIP database and firewall sets.
```