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IPBrick firewall is controlled by a user-friendly interface that permits, based upon a list of rules and other criteria, to deny unauthorized access while accepting authorized communications. Traffic to or from any of the more common services accessed via Internet, listed below, is supervised by the firewall and configured in a simple way, by just activating or deactivating the service. For more in depth changes please access the Advanced Configurations menu.
These are the services:
The list, Firewall -> Available Services (Figure 4.1), indicates the service status - whether the firewall is configured to let that service work (Active) or it is configured to block those service ports (Inactive).
Note that defining here a service as active doesn't start the service or stops it. The single change implemented in the Apply Configurations option will only affect the firewall service (first it stops, reconfigures and then restarts). In other words, here you can only configure the firewall to open or to shut the Internet port for a defined service (whether the service is working is another configuration besides this section).
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