ELSA Documentation


VPN and Filtering

General

The IP packet filter can be used to provide firewall services. It consults a set of rules to determine whether to pass each IP packet which is sent to or through the device. Undesirable or potentially unsafe packets can be blocked (or can generate errors) based on parameters as the source and destination IP addresses, protocol type, source and destination port.

Max. VPN Connections (read only)

The number of available VPN connections is displayed here. You must have installed a VPN option.

Secure Interface

Select the interface on which the packet filter should be active.

Usually this is the WAN interface.

Filter Function

Select the default filter policy. This policy is used if no IP packet filter table entry matches the packet.

Rules

Click here to configure rules for the IP packet filter.


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