Case Communications 6401 Rugged ADSL Router Manual – Rev 1.5
SECTION 5 – ADVANCED CONFIGURATION Page 5.31
Incoming IP Filtering Setup
When the When the firewall is enabled on a WAN or LAN interface, all incoming
IP traffic is BLOCKED. However, some IP traffic can be accepted by setting up
filters.
On selecting this option the following table is displayed.
Choose Add or Remove to configure incoming IP filters
Add IP Filter -- Incoming
This screen allows you to create a filter rule to identify incoming IP traffic by specifying a new filter
name and at least one condition below. All of the specified conditions in this filter rule must be
satisfied for the rule to take effect. Click 'Apply/Save' to save and activate the filter.
Filter name: Select a name for this filter
IP Version Select IP v 4 or IP v 6
Protocol Select the protocol this filter will apply to: TCP &UDP,
TCP, UDP or ICMP only.
Source IP address [/prefix length]: Enter the IP Address
Source Port (port or port:port): Enter source the port number
Destination IP address [/prefix length]: Enter the IP Address of the destination
Destination Port (port or port:port): Enter the destination port details.
WAN Interfaces Tick the interfaces that the filter needs to be applied to
Select ‘save’ and the following screen appears, giving a summary of the configuration.
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