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Networking, Static IP, and Remote Access

Old 09-19-06, 12:38 PM
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Networking, Static IP, and Remote Access

Ok... so I know I've been asking a bunch of questions about this kind of thing lately. My company is small, we have only 2 offices and a total of 4 computers at the moment, with up to 6 in the near future, and we are trying to set up our offices in a way that we can all access our data easily. Ideally we would set up a computer as a server, use a static IP so that we can access it from the outside, and have a VPN and a data control system such as Subversion. This would allow remote access and file version control. On the low end we're looking at using a computer as a server, but fore-going the static IP and using Windows Live Folder Share to just share data - keeping track of the version control stuff manually.

So, the main question I have is this... Is there a way to emulate a static ip address with a typical cable modem that has a dynamic ip? If we could do that then we wouldn't have to pay for the static ip which is pricey... but we could still implement the VPN and data control system.

Thanks for any input on the subject... the more ideas and thoughts I have the easier it will be to convince my boss one way or another.
Old 09-19-06, 01:02 PM
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You can use a service such as this http://www.dyndns.com/ to assign a host name to your dynamic IP address.

This does not really make it a static IP, but as long as all the devices involved in your networking structure can locate a machine based on host name and do not rely on having the actual IP programmed in (hard to explain) then this will work fine.

I will give an example. lets say you have a web server located on a cable modem with a dynamic IP.

You would get an account at http://www.dyndns.com/ and get yourself a host name myhost.dnydns.org then using their system to track the changing IP address behind this host name, anytime someone goes to the host name myhost.dyndns.org, then will end up at the right server.


The only time this won't work is if you have some type of client that won't accept a host name and demands the IP address in decimal form (fairly rare these days)
Old 09-19-06, 01:07 PM
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Also, I know you are probably tempted by a lot of 'off the shelf' retail products at bestbuy and circuit city, etc. However, since you are setting things up for a business, I highly suggest you look at some more professional level equipment to do what you are doing.

PAY THE MONEY for the static IP address and pay more money and buy a domain name (even from someplace like godaddy.com) You will be betrer off in the long run

Look at these two companies to find a firewall/vpn solution

http://www.watchguard.com/products/appliances.asp

http://www.sonicwall.com/products/index.html

Many of these can be purchased from www.cdw.com.
Old 09-19-06, 03:45 PM
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If the maximum number of computers is 6, you sure can use hamachi:

http://hamachi.cc

note it's only available on Win2K/WinXP/Linux (x86)/OS X
Old 09-21-06, 05:58 PM
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Thanks for the ideas... I'm checking them out and will see what works best. Ideally we would like a big corporation-type solution, but ultimately we are a small company and can't spend that much money on this kind of thing... but we'll see.
Old 09-22-06, 05:00 PM
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Hamachi seems to be working well... I tested it on my home computer and I'm in the office right now and was able to grab stuff out of my shared folders... I just have to set up the offices now. Thanks

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