mirror of
https://github.com/opnsense/docs.git
synced 2026-04-15 21:49:34 -04:00
29 lines
2.1 KiB
ReStructuredText
29 lines
2.1 KiB
ReStructuredText
===========================
|
|
Generic info
|
|
===========================
|
|
|
|
This chapter explains some of the concepts that are used in different modules of our firewall system and
|
|
therefore don't belong to a specific section of this topic.
|
|
|
|
|
|
-----------------------------------------
|
|
Address types
|
|
-----------------------------------------
|
|
|
|
When choosing source and/or destination addresses, the user can choose several options depending on the context.
|
|
To explain what the different options mean when being presented, we will summarize them below:
|
|
|
|
========================================================================================================================================================
|
|
|
|
==================================== ==================================================================================================================
|
|
Alias Flexible type of network or address definition for easy reuse, expained in
|
|
:doc:`aliases </manual/aliases>`
|
|
Single host or network Standard host or network in `CIDR notation <https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing>`__
|
|
any All IPv4 and/or IPv6 addresses (in the world)
|
|
This Firewall All IPv4 and/or IPv6 addresses assigned to this firewall
|
|
[Interface] Network All networks assigned to the device, this will also include networks of assigned virtual addresses
|
|
([Interface] is explained in the :doc:`interfaces </manual/interfaces>` topic). Normally used to allow traffic
|
|
from or to clients connected to a specific interface.
|
|
[Interface] Address All addresses configured on an interface, this includes all virtual (alias) addresses as well.
|
|
Virtual IPs Explicit selection for addresses defined in :doc:`Virtual IPs </manual/firewall_vip>`
|
|
==================================== ==================================================================================================================
|