User guide

VT2542 Voice Gateway User Guide 29
Overview Installation Troubleshooting Contact FAQ Glossary License
Configuration: Basic Advanced TCP/IP Wireless
IP Filters
IP filtering enables you to block applications and services based on the IP address of a LAN device. You can apply
one or more predefined IP filtering rules to one or more LAN computers. You can view the rules associated with a
predefined filter and add the available rules for a given category. You can also create, edit, or delete your own IP
filter rules.
IP Filters fields and buttons
Field or Button Description
LAN IP The IP address in the LAN group to which the IP filters are applied.
New IP Displays the LAN Clients page.
Block All Traffic If selected, network access is blocked for the IP address.
Block Outgoing
Ping
If selected, outgoing pings are blocked for the IP address. Blocking outgoing pings can be useful
if a computer has a virus that attempts a Ping-of-Death denial of service attack.
Custom IP Filters Displays the Custom IP Filters page
Category Sets the category for which rules are displayed in the Available Rules list — Games, VPN, Audio/
Video, Apps (applications), Servers, or User (custom rules you can define and edit).
Available Rules Predefined and user-defined IP filtering rules for each category.
View Displays the settings for the selected Available Rule.
Add Adds the selected Available Rule to the Applied Rules list.
Remove Removes the selected rule from the Applied Rules list.
Applied Rules Lists the IP filtering rules selected for the category.