Siemens Hipath bizip 410, Administration Manual, Page: 60 / 144

Security for your HiPath BizIP
60
Configuring a firewall
The firewall of your HiPath BizIP offers the best possible protection, for ex-
ample through the use of
Stateful Inspection .
IP filter
In the standard configuration the firewall is configured as follows:
•
Ping response on the WAN port: Deactivated
• IP filter: Activated
Data required
• Protocol types
• IP addresses
• Port numbers
Administration on the PC
Web > Connectivity Settings > Firewall > IP Filters
Adjusting the firewall
• Activating the option WAN Port Ping Reply enables the WAN port (IP
address of the BizIP AD 20 on the WAN side) to be found from the In-
ternet ("pinged").
• Deactivating the IP Filtering option deactivates the firewall. You are
completely unprotected from attacks from the Internet.
• Set up new filter rules as required:
1. Select the
Traffic Direction for which the new filter rule is to apply.
2. Click Add New Filtering Rule
3. Under Protocol select the IP protocol for which the filter rule is to ap-
ply.
7 Avoid making changes to the standard settings unless absolutely
necessary!
Incorrect settings cause Internet and VoIP links to fail. The firewall
function can be strengthened significantly or deactivated by creat-
ing filter rules.