This feature is available with Artica version 1.4.111919
If you are under this release you need to upgrade your Artica version.
If this version is not released use the How to upgrade Artica to a nightly build ?
Since 1.3.080802 Artica provides a new feature called Postfix Instant IpTables.
With Postfix Instant IpTables, Artica checks in real time Postfix events and add automatically firewall rules according rejections limits errors.
The advantage of using this feature is that you improve gateway performance and safe your bandwidth.
Indeed, senders will be rejected before any connection attempt on Postfix port and no transaction data will be sent.
This feature has been improved in this version and is now available in "community edition mode".
The community edition mode allows your server to automatically sends firewalls rules that have been added by your server to an Artica central Database.
After sending datas, your server automatically retrieves other rules that have been by saved by others Artica servers.
Thins kind of community is totally silent and processes replications are executed without any human interactions.
After upgrading to 1.4.111919, nothing to do ! this feature is automatically updated and enabled.
Checks and tweaks:
- On the left menu, choose "Messaging/Instant IpTables"
- On the "Status" tab you can display total of rules downloaded from Artica Central database and total of rules added by your server.
- You can disable the feature
- Add a white list server
- Choose the "Manage your current rules" tab
- On this section you can search rules and disable some of them.
Note: rules updated from the central server cannot be deleted but be disabled (disable a rule will remove the deny IP address from the firewall).
