[post_ad]Proxy server use for security purpose . Proxy server is work as an intermediate between client and server.
Following Steps for Configure Internet explorer to Use Proxy server.
1. Click on Start, then Click on All program , then Click on Internet explorer.
2. Click on Tools Menu, then Click on Internet Option.
3. Click on Connection Tab, then Click on LAN Setting.
4. Click on Use a proxy sever for your LAN check box, Then Enter IP address of Proxy Server is 172.17.1.15 And Port number By default 8080, then Click on OK