firewall-offline-cmd (1)

firewall-offline-cmd [OPTIONS...]

firewall-offline-cmd is an offline command line client of the firewalld daemon. It should be used only if the firewalld service is not running. For example to migrate from system-config-firewall/lokkit or in the install environment to configure firewall settings with kickstart.

Some lokkit options can not be automatically converted for firewalld, they will result in an error or warning message. This tool tries to convert as much as possible, but there are limitations for example with custom rules, modules and masquerading.

Check the firewall configuration after using this tool.

If no options are given, configuration from /etc/sysconfig/system-config-firewall will be migrated.

The following options are supported:

Help Options

-h, --help

Prints a short help text and exists.

Status Options

--enabled

Enable the firewall. This option is a default option and will activate the firewall if not already enabled as long as the option --disabled is not given.

--disabled

Disable the firewall by disabling the firewalld service.

Lokkit Compatibility Options

These options are nearly identical to the options of lokkit.

--addmodule=module

This option will result in a warning message and will be ignored.

Handling of netfilter helpers has been merged into services completely. Adding or removing netfilter helpers outside of services is therefore not needed anymore. For more information on handling netfilter helpers in services, please have a look at firewalld.zone(5).

--removemodule

This option will result in a warning message and will be ignored.

Handling of netfilter helpers has been merged into services completely. Adding or removing netfilter helpers outside of services is therefore not needed anymore. For more information on handling netfilter helpers in services, please have a look at firewalld.zone(5).

--remove-service=service

Remove a service from the default zone. This option can be specified multiple times.

The service is one of the firewalld provided services. To get a list of the supported services, use firewall-cmd --get-services.

-s service, --service=service

Add a service to the default zone. This option can be specified multiple times.

The service is one of the firewalld provided services. To get a list of the supported services, use firewall-cmd --get-services.

-p portid[-portid]:protocol, --port=portid[-portid]:protocol

Add the port to the default zone. This option can be specified multiple times.

The port can either be a single port number or a port range portid-portid. The protocol can either be tcp or udp.

-t interface, --trust=interface

This option will result in a warning message.

Mark an interface as trusted. This option can be specified multiple times. The interface will be bound to the trusted zone.

If the interface is used in a NetworkManager managed connection or if there is an ifcfg file for this interface, the zone will be changed to the zone defined in the configuration as soon as it gets activated. To change the zone of a connection use nm-connection-editor and set the zone to trusted, for an ifcfg file, use an editor and add "ZONE=trusted". If the zone is not defined in the ifcfg file, the firewalld default zone will be used.

-m interface, --masq=interface

This option will result in a warning message.

Masquerading will be enabled in the default zone. The interface argument will be ignored. This is for IPv4 only.

--custom-rules=[type:][table:]filename

This option will result in a warning message and will be ignored.

Custom rule files are not supported by firewalld.

--forward-port=if=interface:port=port:proto=protocol[:toport=destination port:][:toaddr=destination address]

This option will result in a warning message.

Add the IPv4 forward port in the default zone. This option can be specified multiple times.

The port can either be a single port number portid or a port range portid-portid. The protocol can either be tcp or udp. The destination address is an IP address.

--block-icmp=icmptype

This option will result in a warning message.

Add an ICMP block for icmptype in the default zone. This option can be specified multiple times.

The icmptype is the one of the icmp types firewalld supports. To get a listing of supported icmp types: firewall-cmd --get-icmptypes

Zone Options

--get-default-zone

Print default zone for connections and interfaces.

--set-default-zone=zone

Set default zone for connections and interfaces where no zone has been selected. Setting the default zone changes the zone for the connections or interfaces, that are using the default zone.

--get-zones

Print predefined zones as a space separated list.

--get-services

Print predefined services as a space separated list.

--get-icmptypes

Print predefined icmptypes as a space separated list.

--get-zone-of-interface=interface

Print the name of the zone the interface is bound to or no zone.

--get-zone-of-source=source[/mask]

Print the name of the zone the source[/mask] is bound to or no zone.

--list-all-zones

List everything added for or enabled in all zones. The output format is:

zone1
  interfaces: interface1 ..
  sources: source1 ..
  services: service1 ..
  ports: port1 ..
  forward-ports:
        forward-port1
        ..
  icmp-blocks: icmp-type1 ..
  rich rules:
        rich-rule1
        ..
..

--new-zone=zone

Add a new permanent zone.

--delete-zone=zone

Delete an existing permanent zone.

--zone=zone --get-target

Get the target of a permanent zone.

--zone=zone --set-target=zone

Set the target of a permanent zone.

Options to Adapt and Query Zones

Options in this section affect only one particular zone. If used with --zone=zone option, they affect the zone zone. If the option is omitted, they affect default zone (see --get-default-zone).

[--zone=zone] --list-all

List everything added for or enabled in zone. If zone is omitted, default zone will be used.

[--zone=zone] --list-services

List services added for zone as a space separated list. If zone is omitted, default zone will be used.

[--zone=zone] --add-service=service

Add a service for zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

The service is one of the firewalld provided services. To get a list of the supported services, use firewall-cmd --get-services.

[--zone=zone] --remove-service-from-zone=service

Remove a service from zone. This option can be specified multiple times. If zone is omitted, default zone will be used.

[--zone=zone] --query-service=service

Return whether service has been added for zone. If zone is omitted, default zone will be used. Returns 0 if true, 1 otherwise.

[--zone=zone] --list-ports

List ports added for zone as a space separated list. A port is of the form portid[-portid]/protocol, it can be either a port and protocol pair or a port range with a protocol. If zone is omitted, default zone will be used.

[--zone=zone] --add-port=portid[-portid]/protocol

Add the port for zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

The port can either be a single port number or a port range portid-portid. The protocol can either be tcp or udp.

[--zone=zone] --remove-port=portid[-portid]/protocol

Remove the port from zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

[--zone=zone] --query-port=portid[-portid]/protocol

Return whether the port has been added for zone. If zone is omitted, default zone will be used. Returns 0 if true, 1 otherwise.

[--zone=zone] --list-icmp-blocks

List Internet Control Message Protocol (ICMP) type blocks added for zone as a space separated list. If zone is omitted, default zone will be used.

[--zone=zone] --add-icmp-block=icmptype

Add an ICMP block for icmptype for zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

The icmptype is the one of the icmp types firewalld supports. To get a listing of supported icmp types: firewall-cmd --get-icmptypes

[--zone=zone] --remove-icmp-block=icmptype

Remove the ICMP block for icmptype from zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

[--zone=zone] --query-icmp-block=icmptype

Return whether an ICMP block for icmptype has been added for zone. If zone is omitted, default zone will be used. Returns 0 if true, 1 otherwise.

[--zone=zone] --list-forward-ports

List IPv4 forward ports added for zone as a space separated list. If zone is omitted, default zone will be used.

For IPv6 forward ports, please use the rich language.

[--zone=zone] --add-forward-port=port=portid[-portid]:proto=protocol[:toport=portid[-portid]][:toaddr=address[/mask]]

Add the IPv4 forward port for zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

The port can either be a single port number portid or a port range portid-portid. The protocol can either be tcp or udp. The destination address is a simple IP address.

For IPv6 forward ports, please use the rich language.

[--zone=zone] --remove-forward-port=port=portid[-portid]:proto=protocol[:toport=portid[-portid]][:toaddr=address[/mask]]

Remove the IPv4 forward port from zone. If zone is omitted, default zone will be used. This option can be specified multiple times.

For IPv6 forward ports, please use the rich language.

[--zone=zone] --query-forward-port=port=portid[-portid]:proto=protocol[:toport=portid[-portid]][:toaddr=address[/mask]]

Return whether the IPv4 forward port has been added for zone. If zone is omitted, default zone will be used. Returns 0 if true, 1 otherwise.

For IPv6 forward ports, please use the rich language.

[--zone=zone] --add-masquerade

Enable IPv4 masquerade for zone. If zone is omitted, default zone will be used. Masquerading is useful if the machine is a router and machines connected over an interface in another zone should be able to use the first connection.

For IPv6 masquerading, please use the rich language.

[--zone=zone] --remove-masquerade

Disable IPv4 masquerade for zone. If zone is omitted, default zone will be used.

For IPv6 masquerading, please use the rich language.

[--zone=zone] --query-masquerade

Return whether IPv4 masquerading has been enabled for zone. If zone is omitted, default zone will be used. Returns 0 if true, 1 otherwise.

For IPv6 masquerading, please use the rich language.

[--zone=zone] --list-rich-rules

List rich language rules added for zone as a newline separated list. If zone is omitted, default zone will be used.

[--zone=zone] --add-rich-rule='rule'

Add rich language rule 'rule' for zone. This option can be specified multiple times. If zone is omitted, default zone will be used.

For the rich language rule syntax, please have a look at firewalld.richlanguage(5).

[--zone=zone] --remove-rich-rule='rule'

Remove rich language rule 'rule' from zone. This option can be specified multiple times. If zone is omitted, default zone will be used.

For the rich language rule syntax, please have a look at firewalld.richlanguage(5).

[--zone=zone] --query-rich-rule='rule'

Return whether a rich language rule 'rule' has been added for zone. If zone is omitted, default zone will be used. Returns 0 if true, 1 otherwise.

For the rich language rule syntax, please have a look at firewalld.richlanguage(5).

Options to Handle Bindings of Interfaces

Binding an interface to a zone means that this zone settings are used to restrict traffic via the interface.

Options in this section affect only one particular zone. If used with --zone=zone option, they affect the zone zone. If the option is omitted, they affect default zone (see --get-default-zone).

For a list of predefined zones use firewall-cmd --get-zones.

An interface name is a string up to 16 characters long, that may not contain ' ', '/', '!' and '*'.

[--zone=zone] --list-interfaces

List interfaces that are bound to zone zone as a space separated list. If zone is omitted, default zone will be used.

[--zone=zone] --add-interface=interface

Bind interface interface to zone zone. If zone is omitted, default zone will be used.

[--zone=zone] --change-interface=interface

Change zone the interface interface is bound to to zone zone. If zone is omitted, default zone will be used. If old and new zone are the same, the call will be ignored without an error. If the interface has not been bound to a zone before, it will behave like --add-interface.

[--zone=zone] --query-interface=interface

Query whether interface interface is bound to zone zone. Returns 0 if true, 1 otherwise.

[--zone=zone] --remove-interface=interface

Remove binding of interface interface from zone zone. If zone is omitted, default zone will be used.

Options to Handle Bindings of Sources

Binding a source to a zone means that this zone settings will be used to restrict traffic from this source.

A source address or address range is either an IP address or a network IP address with a mask for IPv4 or IPv6. For IPv4, the mask can be a network mask or a plain number. For IPv6 the mask is a plain number. The use of host names is not supported.

Options in this section affect only one particular zone. If used with --zone=zone option, they affect the zone zone. If the option is omitted, they affect default zone (see --get-default-zone).

For a list of predefined zones use firewall-cmd --get-zones.

[--zone=zone] --list-sources

List sources that are bound to zone zone as a space separated list. If zone is omitted, default zone will be used.

[--zone=zone] --add-source=source[/mask]

Bind source source[/mask] to zone zone. If zone is omitted, default zone will be used.

[--zone=zone] --change-source=source[/mask]

Change zone the source source[/mask] is bound to to zone zone. If zone is omitted, default zone will be used. If old and new zone are the same, the call will be ignored without an error. If the source has not been bound to a zone before, it will behave like --add-source.

[--zone=zone] --query-source=source[/mask]

Query whether the source source[/mask] is bound to the zone zone. Returns 0 if true, 1 otherwise.

[--zone=zone] --remove-source=source[/mask]

Remove binding of source source[/mask] from zone zone. If zone is omitted, default zone will be used.

Service Options

--new-service=service

Add a new permanent service.

--delete-service=service

Delete an existing permanent service.

Internet Control Message Protocol (ICMP) type Options

--new-icmptype=icmptype

Add a new permanent icmptype.

--delete-icmptype=icmptype

Delete an existing permanent icmptype.

Direct Options

The direct options give a more direct access to the firewall. These options require user to know basic iptables concepts, i.e. table (filter/mangle/nat/...), chain (INPUT/OUTPUT/FORWARD/...), commands (-A/-D/-I/...), parameters (-p/-s/-d/-j/...) and targets (ACCEPT/DROP/REJECT/...).

Direct options should be used only as a last resort when it's not possible to use for example --add-service=service or --add-rich-rule='rule'.

The first argument of each option has to be ipv4 or ipv6 or eb. With ipv4 it will be for IPv4 (iptables(8)), with ipv6 for IPv6 (ip6tables(8)) and with eb for ethernet bridges (ebtables(8)).

--direct --get-all-chains

Get all chains added to all tables.

This option concerns only chains previously added with --direct --add-chain.

--direct --get-chains { ipv4 | ipv6 | eb } table

Get all chains added to table table as a space separated list.

This option concerns only chains previously added with --direct --add-chain.

--direct --add-chain { ipv4 | ipv6 | eb } table chain

Add a new chain with name chain to table table.

There already exist basic chains to use with direct options, for example INPUT_direct chain (see iptables-save | grep direct output for all of them). These chains are jumped into before chains for zones, i.e. every rule put into INPUT_direct will be checked before rules in zones.

--direct --remove-chain { ipv4 | ipv6 | eb } table chain

Remove the chain with name chain from table table.

--direct --query-chain { ipv4 | ipv6 | eb } table chain

Return whether a chain with name chain exists in table table. Returns 0 if true, 1 otherwise.

This option concerns only chains previously added with --direct --add-chain.

--direct --get-all-rules

Get all rules added to all chains in all tables as a newline separated list of the priority and arguments.

--direct --get-rules { ipv4 | ipv6 | eb } table chain

Get all rules added to chain chain in table table as a newline separated list of the priority and arguments.

--direct --add-rule { ipv4 | ipv6 | eb } table chain priority args

Add a rule with the arguments args to chain chain in table table with priority priority.

The priority is used to order rules. Priority 0 means add rule on top of the chain, with a higher priority the rule will be added further down. Rules with the same priority are on the same level and the order of these rules is not fixed and may change. If you want to make sure that a rule will be added after another one, use a low priority for the first and a higher for the following.

--direct --remove-rule { ipv4 | ipv6 | eb } table chain priority args

Remove a rule with priority and the arguments args from chain chain in table table.

--direct --remove-rules { ipv4 | ipv6 | eb } table chain

Remove all rules in the chain with name chain exists in table table.

This option concerns only rules previously added with --direct --add-rule in this chain.

--direct --query-rule { ipv4 | ipv6 | eb } table chain priority args

Return whether a rule with priority and the arguments args exists in chain chain in table table. Returns 0 if true, 1 otherwise.

--direct --get-all-passthroughs

Get all permanent passthrough as a newline separated list of the ipv value and arguments.

--direct --get-passthroughs { ipv4 | ipv6 | eb }

Get all permanent passthrough rules for the ipv value as a newline separated list of the priority and arguments.

--direct --add-passthrough { ipv4 | ipv6 | eb } args

Add a permanent passthrough rule with the arguments args for the ipv value.

--direct --remove-passthrough { ipv4 | ipv6 | eb } args

Remove a permanent passthrough rule with the arguments args for the ipv value.

--direct --query-passthrough { ipv4 | ipv6 | eb } args

Return whether a permanent passthrough rule with the arguments args exists for the ipv value. Returns 0 if true, 1 otherwise.

Lockdown Options

Local applications or services are able to change the firewall configuration if they are running as root (example: libvirt) or are authenticated using PolicyKit. With this feature administrators can lock the firewall configuration so that only applications on lockdown whitelist are able to request firewall changes.

The lockdown access check limits D-Bus methods that are changing firewall rules. Query, list and get methods are not limited.

The lockdown feature is a very light version of user and application policies for firewalld and is turned off by default.

--lockdown-on

Enable lockdown. Be careful - if firewall-cmd is not on lockdown whitelist when you enable lockdown you won't be able to disable it again with firewall-cmd, you would need to edit firewalld.conf.

--lockdown-off

Disable lockdown.

--query-lockdown

Query whether lockdown is enabled. Returns 0 if lockdown is enabled, 1 otherwise.

Lockdown Whitelist Options

The lockdown whitelist can contain commands, contexts, users and user ids.

If a command entry on the whitelist ends with an asterisk '*', then all command lines starting with the command will match. If the '*' is not there the absolute command inclusive arguments must match.

Commands for user root and others is not always the same. Example: As root /bin/firewall-cmd is used, as a normal user /usr/bin/firewall-cmd is be used on Fedora.

The context is the security (SELinux) context of a running application or service. To get the context of a running application use ps -e --context.

Warning: If the context is unconfined, then this will open access for more than the desired application.

The lockdown whitelist entries are checked in the following order:

1. context

2. uid

3. user

4. command

--list-lockdown-whitelist-commands

List all command lines that are on the whitelist.

--add-lockdown-whitelist-command=command

Add the command to the whitelist.

--remove-lockdown-whitelist-command=command

Remove the command from the whitelist.

--query-lockdown-whitelist-command=command

Query whether the command is on the whitelist. Returns 0 if true, 1 otherwise.

--list-lockdown-whitelist-contexts

List all contexts that are on the whitelist.

--add-lockdown-whitelist-context=context

Add the context context to the whitelist.

--remove-lockdown-whitelist-context=context

Remove the context from the whitelist.

--query-lockdown-whitelist-context=context

Query whether the context is on the whitelist. Returns 0 if true, 1 otherwise.

--list-lockdown-whitelist-uids

List all user ids that are on the whitelist.

--add-lockdown-whitelist-uid=uid

Add the user id uid to the whitelist.

--remove-lockdown-whitelist-uid=uid

Remove the user id uid from the whitelist.

--query-lockdown-whitelist-uid=uid

Query whether the user id uid is on the whitelist. Returns 0 if true, 1 otherwise.

--list-lockdown-whitelist-users

List all user names that are on the whitelist.

--add-lockdown-whitelist-user=user

Add the user name user to the whitelist.

--remove-lockdown-whitelist-user=user

Remove the user name user from the whitelist.

--query-lockdown-whitelist-user=user

Query whether the user name user is on the whitelist. Returns 0 if true, 1 otherwise.

Policy Options

--policy-server

Change Polkit actions to 'server' (more restricted)

--policy-desktop

Change Polkit actions to 'desktop' (less restricted)

firewall-applet(1), firewalld(1), firewall-cmd(1), firewall-config(1), firewalld.conf(5), firewalld.direct(5), firewalld.icmptype(5), firewalld.lockdown-whitelist(5), firewall-offline-cmd(1), firewalld.richlanguage(5), firewalld.service(5), firewalld.zone(5), firewalld.zones(5)

firewalld home page:

\m[blue]http://www.firewalld.org\m[]

More documentation with examples:

\m[blue]http://fedoraproject.org/wiki/FirewallD\m[]

Thomas Woerner <[email protected]>

Developer

Jiri Popelka <[email protected]>

Developer