ELTEX NTU-RG-5402G-W - Page 36

 NTU-RG-54xx. User manual (user)
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4.4.3.2 The 'IP/Port Filtering' submenu. Address Filtering Settings
This section is used to configure address filtering. The IP Filtering function filters router traffic by IP addresses
and ports.Using these filters can be useful to protect or restrict the local network.
Services → Firewall→ IP/Port Filtering
Default action
Incoming Default ActionDeny Allow– filtering for incoming packets;
Outgoing Default Action Deny/ Allow – filtering for outgoing packets.
To save the changes, click the 'Apply Changes' button.
To add a filter, fill in the appropriate fields and click the 'Add' button:
Protocol – filtering protocol;
Rule Action Deny /Allow – packet processing policy (deny/allow);
Source IP Address –source IP address;
Destination IP Address –destination IP address;
Subnet mask –subnet mask;
Port – port.
Ingress Interface –ingress interface.
Added filters are displayed in the'Current Filter Table' located below. The entries in this table are used to
restrict certain types of data packets pass through the gateway. To delete a specific filter, select the position
and click the 'Delete selected' button, to delete all filters click 'Delete All'.