Monday, August 27, 2012

How to Configure Firewall Settings in a D-Link® Router

Firewall is an integral part of any device and application like computer, router, antivirus etc. It helps keep unauthorized access at bay to and from your computer, wireless network etc. If you have a D-Link router, you can customize the firewall settings according to your wireless network or browsing needs. Check the steps given below and configure firewall settings in your D-Link router:
1. Connect your D-Link router directly to your computer using the Ethernet cable. When done, launch your web browser and type ‘’ in the address bar. Hit Enter to proceed. On the D-Link Login screen, enter your router’s username and password. You may also be required to enter a capatcha depending on its model etc. (See also how to configure D-Link DL 524 Wi-Fi router)
2. If you don’t know the login details, refer to your D-Link router setup documents. If you changed login details and have forgotten or misplaced them, you can reset your D-Link router to factory settings and use the default login details. When logged in, click the Advanced tab> click Firewall Settings in the left hand pane. (See also wireless network support)
3. On the Firewall Settings screen, you can enable or disable SPI. Choose a NAT ENDPOINT FILTERING from UDP and TCP. If you want to protect your router and wireless network from spoofing, check the Enable anti-spoof checking box. You can check the Enable DMZ box if you are unable to access the Internet on a particular computer on your wired/wireless network.
4. You should enable the DMZ (Demilitarized Zone) option only if you cannot work out the Internet connectivity or browsing problem on that particular computer. The DMZ option will put this computer out of your wireless network and the router. (See also how to configure a D-Link Dir 655 Xtreme N Gigabit Router)
5. Under APPLICATION LEVEL GATEWAY (ALG) CONFIGURATION, you will find advanced settings viz. PPTP, VPN, RTSP, SIP etc. You can enable or disable these settings according to your wireless or port forwarding needs. When done, click the Save Settings button to save the changes. If prompted, reboot your D-Link router. (See also how to set up and secure a wireless router)

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