How do I configure port mapping on my DSR Series router?
Step 1: Click on the Advanced tab and select Firewall Settings > Firewall Rules
Step 2: Click Add

Step 3: Create Rule:
From Zone: Insecure (WAN)
To Zone: Secure (LAN)
Service: Choose Service (eg. Http)Action: Always Allow
Internal IP address: IP of local machine hosting service (eg. 192.168.10.145)Enable Port Forwarding: unchecked
Translate Port Numbers: Leave Unchecked
External IP address: Dedicated WAN
Step 4: Click
Save Settings