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Configuring the Network
Firewall
Firewall
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
SRP 521 VoIP Gateway Administration Guide
REVIEW DRAFT — CISCO CONFIDENTIAL
Firewall Filter
A firewall enhances network security and uses Stateful Packet Inspection (SPI) for
more detailed review of data packets entering your network.
Click Network Setup on the tab and then click Firewall in the navigation pane. Click
Firewall Filter. The Firewall page appears.
Select Enabled to enable firewall protection.
Click the Filter Anonymous Internet Requests option to keep your network from
being "pinged," or detected, by other Internet users.
Click Filter Internet NAT Redirection to block access to local servers from local
networked computers.
Click Filter IDENT (Port 113) to keep port 113 from being scanned by devices
outside of your local network.
Click any Web Filter options.
Click Submit to save your settings.
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