7: Networking
EMG™ Edge Management Gateway User Guide 110
IP Filter
IP filters (also called a rule set) act as a firewall to allow or deny an individual MAC address or
individual or a range of IP addresses, ports, and protocols. When a network connection is
configured to use an IP filter, all network traffic through that connection is compared, in order, to
the rules of that filter. Network traffic may be allowed to pass, it may be dropped (without notice),
or it may be rejected (sends back an error packet) depending upon the rules of that filter rule set.
The administrator uses the Network > IP Filter page to view, add, edit, delete, and map IP filters.
Warning: IP filters configuration is a feature for advanced users. Adding and
enabling IP filter sets incorrectly can disable access to your EMG unit.
Viewing IP Filters
You can view a list of filters and a table showing how each filter is mapped to an interface.
To view a list of IP filters:
1. Click the Network tab and select the IP Filter option. The following page displays:
Figure 7-8 Network > IP Filter
Mapping Rulesets
The administrator can assign an IP Filter Rule set to a network interface (Eth1 or Eth2), a modem
connected to a device port, a USB modem, or an LTE modem, dialup modem, or Wi-Fi interface, if
any of those connectivity modules are installed.
To map a ruleset to a network interface:
1. Click the Network tab and select the IP Filter option. The Network > IP Filter page displays.
2. Select the IP filter rule set to be mapped.
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