EW50 Industrial LTE Cellular Gateway
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The "Packet Filter" function lets you define filtering rules for incoming and outgoing packets, allowing the
gateway to control what packets are allowed or blocked as they pass through it. A packet filter rule should
indicate from and to which interface the packet enters and leaves the gateway, the source and destination IP
addresses, and destination service port type and port number. In addition, there should be a schedule for
which the rule will be active.
Packet Filter with White List Scenario
As shown in the diagram, "Packet Filter Rule List" is
specified as a white list (Allow those matching the
following rules). Rule-1 is to allow HTTP packets to
pass, and Rule-2 is to allow HTTPS packets to pass.
Under such configuration, the gateway will allow only
HTTP and HTTPS packets, issued from the IP range
192.168.123.200 to 250, which are targeted to TCP
port 80 or 443 to pass the WAN interface.
Packet Filter Setting
Go to Security > Firewall > Packet Filter Tab.
The packet filter setting allows user to create and customize packet filter policies to allow or reject specific
inbound/outbound packets through the router based on their office setting.
Enable Packet Filter
When Deny those match the following rules is selected, as the name suggests,
packets specified in the rules will be blocked –blacklisted. In contrast, with
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