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ISP solution

By corby ·
Need input as to the best possible option (cheapest, easiest, reliable) to give a small office (20 workstations) Internet access. Current environment is single domain with only internal e-mail. Would like to have internet access, external
e-mail, firewall protection, robust remote access, and ability for all 20 workstations to access Internet simultaneously. Eventually will have IIS to host website.

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ISP solution

by Phinaddict In reply to ISP solution

I would consider using ISDN for your internet connection. Depending on the type of OS you are running you have different options. I would use internet connection sharing that way there is only one way in and out of your network keeping your workstations somewhat protected form the outside world. Make sure you get a static IP from your ISP to simplify things. The easiest solution I have done was to install a proxy server and used that as my companies gateway to the internet.

Good Luck

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by corby In reply to ISP solution
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by corby In reply to ISP solution
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by Inspectorclave In reply to ISP solution

Your best bet would be to implement a proxy server with DSL Internet access. ADSL is more secure than cable access, but not as readily available, so check for availability first. The other alternative is a T1 line, but those run around $900 - $1500 or so per month.

For your connection sharing, implement Microsoft Proxy server 2.0. This will allow all users to simultaneously access the Internet with only 1 Internet IP address. You will also need to implement Remote Access Service (RAS) onthe NT Server (assuming that you are going to implement all this on a NT Server) if you want to enable remote users to have dial-in access to the network. This is a lot of information. Email me at chrisp@metronational.com for more information.

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by corby In reply to ISP solution

Have some additional questons. Will e-mail you.

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by corby In reply to ISP solution

Have additional questions/comments. Will e-mail you.

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by calves In reply to ISP solution

What you probably want is a DSL connection with a dedicated IP address and a firewall or a Proxy Server.
Go to http://www.2wire.com/dsllookup/finddsl.asp?id=132
this service will help you find the best service provider for your needs. I suggest abandwith of 512 Kbps - I run a 120 people office with the same service and it's more then enough.
Firewall lookup GNAT Box @ http://www.gnatbox.com/
The firewall will take care of the 20 people accessing the Internet simoutanously because it does name translation and it's also a router.
To learn about remote access, go to www.softsolutionsconsult.com - network and lookup VPN (Virtual Private Network).

Good Luck!

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by corby In reply to ISP solution
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by corby In reply to ISP solution
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by Aaron V In reply to ISP solution

ISDN, xDSL, Frame, etc will all work fine for your environment. It all depends on your location and pricing. If all you require is a basic firewall for security, I would recommend an all-in-one appliance. 3Com, Cisco, Watchguard, Sonic Wall, Linux Router Project, others have boxes that will plug in and allow you to configure a firewall transparent to your users. This way you have an appliance, and no OS to worry about securing...

I have a cable modem (3Com) which provides dhcp, which my Linux Router picks up and provides a transparent firewall for all systems (including NAT). I have friends who are using Sonic Wall and others using Watchguard and others using an all-in-one 3Com box, LRP, etc...

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