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Proxy for Internet Connection

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We have Two Lease lines with two Cisco Routers,we are in the process of shifting the 64k internet connection to 128k, the existing settings of DNS servers of ISP is defined on the DNS tab of TCP/IP properties and the gateway address is given by the DHCP, now we have another address for the gateway for 128k internet connection.
I want to keep 64k Internet connection as backup.Now I want to use Proxy server for user permissions, caching, to protect LAN
My question is How do i configure these two gateways by using proxy server, or DNS server, and how do i protect my LAN from Internet.Waiting for your professional answers.

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by acattr

How do you configure two gateways for proxy server?

The easiest thing to do is set the default gateway of the proxy server to the 128K line. If that goes down you can switch it to use the other gateway. If you want it to use them together you may need to call your ISP and see if they support MUXing these lines.

How do you configure DNS for proxy server? In DHCP for the clients and in TCP/IP of the proxy server you can at most have three listed DNS servers. So what you do is that you list 2 from the 128k line and then list one of the 64k's as the third DNS server.

How do you protect your LAN?
Proxy server protects your entire lan from the internet when configured correctly. The default options are usually sufficient. If you want to restrict access to certain internet features us filters.

PS: do not setup the gateways in the DHCP. And consider using Winroute Professional, its %100 better. www.winroute.com

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