If you want to block unwanted website on a belkin router then follow the article.How to Block Websites on a Belkin Router.
Step1: Unplug the router for 10 seconds and again plug in. Sometimes a simple restart can resolve network problems on a Belkin N150 router.
Step2: Disable the "Windows Firewall," which might be preventing an outgoing connection. Click the "Start" menu, type "Windows Firewall" and press "Enter." Click "Turn Windows Firewall on or off." Click on "Off." Click "OK."
Step3: Make sure the N150 router is connected properly to your modem with an Ethernet cable via the router's "WAN" port on the back.
Step4: Turn on "Broadcast SSID." Connect the router to your computer with a network cable. Open a Web browser and type "http://192.168.2.1" in the address bar. Click the "Channel and SSID" page. Click to turn "On" your "Broadcast SSID."
Step5: Limit the wireless transmission rate to improve range and connection stability. Click the "Start" menu and choose "Control Panel." Click "Network Connections." Double-click your wireless card's connection. Click the "Configure" button on the "General" tab of the dialog box. Click "Advanced." Select a lower transmission rate than the existing setting. Click "OK."
Step6: Contact your Internet service provider (ISP) if none of the above steps fixes a problem on your Belkin N150 router and request that a technician troubleshoot the malfunction.
If you want set Belkin N F5D8236-4 then follow my blog, How to Set Up a Belkin N F5D8236-4 Wireless Router,which i have discussed in same blog.
The above instructions are followed step by step.If you are getting any problem and need belkin tech support then you can reach online technical support service desk of V tech-squad at their Toll Free No +1-877-452-9201.