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Network Diagram
The typical network diagram. The internet terminated at the modem and the modem is connected to the server/network switch through Ethernet cable. Configure the modem as Bridge mode and dial the same from the server to get the WAN IP.
Proxy server
A proxy server is a computer that acts as a gateway between a local network and a larger-scale network such as the Internet. In our scenario we are using Squid, the open source proxy server
How to install proxy server
- The proxy server is recommended to install in the server where Internet is directly connected
- Download the proxy server and extract the zip file. it will work only on Win 2000 and above. The user required administrator privilege to install the proxy server.
- Run “Squid-win-setup.exe”. Click on ‘Install’ button then Apply. Then it will show the installation log in shell. DO NOT CLOSE the black window, wait a while to complete the installation. The black screen will disappear after completing the installation. The Squid proxy server will install under C:\squid. Screenshot follows
- After completing the installation, Need to add incoming firewall rule for the Port 3128 (Run -> firewall.cpl)
- Finally, you will need to set the proxy server address in your internet options in the client computer
Proxy Server <LAN IP address of server>, Port 3128
Eg: Poxy Server : 192.168.10.1 Port: 3128
How to set Proxy settings in various Browsers
Internet Explorer Browser
- Run - > inetcpl.cpl > Connections > LAN Settings. You can also open the Internet Options from Control Panel.
- Set the Proxy server Address : <LAN IP Address> and Port : 3128
Eg: Poxy Server : 192.168.10.1 Port: 3128 - Check “Bypass proxy server for local addresses”
- Click OK to complete
Firefox Browser
Either you can set “Use system proxy settings” if you are configured the proxy settings in internet options earlier or use the following to set the same manually
- Open Firefox browser
- Navigate Tools > Settings >Network Settings and select Manual Proxy
- Set HTTP proxy : <LAN IP of Proxy server> Port : 3128
- Check “Use this proxy server for all protocols”
- Click OK to complete