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im confused about static ip

First of all I am not sure where to post this thread so if there is a better place let me know. On to business.

From my observations I have deduced that I have to IP addresses. I have an external ip address that is the address of my home network and an internal address that tells the network which computer I am.
I am trying to create a home fileserver so I need a static ip address (so I am told). What I am confused a bout is this. Does the static ip address replace my external one for the network or does my computer now have its own ip address separate from the network.
If someone could explain this whole thing to me that would be very helpful. Thanks.

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Or

In reply to: im confused about static ip

You put your server into the DMZ. That's a setting in the router.

Hope this clears up how in a snap.

Most of us do not want to pay for a static IP. Did you consider researching and using DDNS (see google.)
Bob

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Short course . . .

In reply to: im confused about static ip

Your Internet IP address is assigned by your ISP. It is dynamic, as in, it will change. If you want a static IP address, bring lots of money.

For a home network a router is used. This router assigns each PC a unique IP address in the 192.168.x.x range. This is set aside for home networks. Each IP address on this home network is static.

If you want to share the contents of one PC with the entire Internet you do as Bob says, you open the DMZ on the IP address of one of the PCs. A router blocks outside requests to all your PCs on your home LAN, it's a firewall. Opening the DMZ on a specific address allows that PC (or device) to be seen and accessed by anyone outside your home LAN. And, it makes the PC vulnerable.

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DMZ

In reply to: Short course . . .

So if I open my computer to the DMZ would it have a separate ip address?

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No.

In reply to: DMZ

You need to define the IP address you are asking about. Is this the IP assigned by your ISP or your local LAN address for each PC.

Example:

I have cable Internet. My IP address is assigned by Roadrunner. It is dynamic, as it changes about once a year. I run my web site on my server. The IP address of that server (on my LAN) is 192.168.1.198, assigned by my router. I have the DMZ open on that IP address and this allows "the Internet" to access my server. I use a domain server (Network Solutions) that routes my domain name to my IP assigned IP address. My router has the DMZ open on my server address (above). When you type in my domain name, www.wayne2.net, the open DMZ setting allows "the Internet" to access my server and my web site. If you tried to access any other computer on my LAN it would be blocked by the router.

Can you be more specific on exactly what you are trying to do?

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ok

In reply to: No.

so does everyone else on the internet see your server as 192.168.1.198?

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No.

In reply to: ok

They do not see the server. They see my modem. My router is invisible, until it gets a request for access for my domain name. It then knows the domain name is hooked to my IP address. It then routes the request to the PC with the DMZ open, as my server software (Xitami) sees the request for my home page, which in turn replies with my home page.

I don't want to be short, but you never did answer my question about exactly what you are trying to do. You also need to do some research on IP addressing, both WAN and LAN, routing, domain names, and how they work together. As Bob (above) has so many times aptly written, I won't duplicate what is everywhere on the Net.

It's a learning experience.

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