configuration set up

January 4, 2011 at 22:51:28
Specs: Windows XP

i have 1 terminal connected to a wireless router through a cable

terminal A conected to wireless router A, then the router is connected to a dns server and a proxy server, the proxy server is connected to a web server...

is my connection ok??

for example, if my local site is

and i am on terminal A, i type in my browser, how will the network flow be??

from terminalA to router then to dns server then to proxy, (doing nat on proxy) then back to router then to external network(isp etc)

thank you very much beforehand.

please be precise how it becoming confusing how web server, proxy , NAT, and router work together...i know how they work separately...but i dont understand how they work together if someone type in the local LAN

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January 5, 2011 at 09:12:14
*** Sounds Like a Home Work Project ***

Is this a DNS server or a DNS forwarder? I would not put my DNS Server in the DMZ unless it is just a forwarder.

The proxy server is connected to the web server??? Is your web server acting as a router too? I would simply connect my proxy server to the Edge Router not run it through the Web Server unless your Web Server is also acting as your edge router but this would not be very secure and may cause speed problems.

I know there is a better one out there some where. Just google it.

As for how the packet is built as it passes through these devices just follow your OSI Model layers 1-4. Remeber there is really no such thing as a wireless router it is simply a device that has a WAP, a Switch and a Router combined into one. So it does layers 1-3 for you. The DNS will resolve the IP addresses to FQDN and the proxy will buffer the request from the workstations and make the requests to the internet. The edge router will NAT the Public (Internet Addresses) with the DMZ network (the proxy server and web server) and the internal router will NAT to the DMZ.

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