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Unified Services Router User Manual
72
5.3.1 Firewall Rule Configuration Examples
Example 1: Allow inbound HTTP traffic to the DMZ
Situation: You host a public web server on your local DMZ network. You want to
allow inbound HTTP requests from any outside IP address to the IP address of your
web server at any time of day.
Solution: Create an inbound rule as follows.
Parameter
Value
From Zone
Insecure (WAN1/WAN2/WAN3)
To Zone
Public (DMZ)
Service
HTTP
Action
ALLOW always
Send to Local Server (DNAT IP)
192.168.5.2 (web server IP address)
Destination Users
Any
Log
Never
Example 2: Allow videoconferencing from range of outside IP addresses
Situation: You want to allow incoming videoconferencing to be initiated from a
restricted range of outside IP addresses (132.177.88.2 - 132.177.88.254), from a
branch office.
Solution: Create an inbound rule as follows. In the example, CUSeeMe (the video
conference service used) connections are allowed only from a specified range of
external IP addresses.
Parameter
Value
From Zone
Insecure (WAN1/WAN2/WAN3)
To Zone
Secure (LAN)
Service
CU-SEEME:UDP
Action
ALLOW always
Send to Local Server (DNAT IP)
192.168.10.11
Destination Users
Address Range
From
132.177.88.2
To
134.177.88.254
Enable Port Forwarding
Yes (enabled)