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Chapter 5: Ethernet Interface Commands Efficient Networks
®
Router family
Command Line Interface Guide
Page 5-26 Efficient Networks
®
eth ip firewall
The router supports IP Internet Firewall Filtering to prevent unauthorized access to
your system and network resources from the Internet. This filter discards packets
received from the WAN that have a source IP address recognized as a local LAN
address. This command sets Ethernet Firewall Filtering on or off and allows you to list
the active state.
This command requires a save and reboot before it takes effect.
To perform Firewall Filtering, IP routing must be enabled. For more information, see
IP Filtering on page 5-23 of the Technical Reference Guide.
Mgmt Class
Network (R/W)
Input Format
eth ip firewall on | off | list
Parameters
Response
The following is a typical response when the list parameter is entered:
on
Enables firewall filtering. IP routing must also be enabled for filtering
to be performed.
off
Disables the firewall filtering feature.
list
Lists the current status of firewall filtering.
-> eth ip firewall list
The Internet firewall filter is currently on.
0 offending packets were filtered out.
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