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IP Address redirect HTML code


Question

Hey,

Trying to create a website that will be only accessible from my work. The computers at my work are all on a LAN, with a certain IP range. The site I am making will contain confidential info for employees only. I am trying to make it so the site will only be accessible from work, and no other computer. Of course, at work we have like 200 computers on a similar IP. Just wondering how to make a script (in HTML) that would allow access to computers with a specific IP range, and anyone not in that range will be redirected.

Thanks

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23 answers to this question

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I'm pretty sure I dont. I know what i'm doing when it comes to HTML but nothing further. I just thought it might be possible, similar to how I was able to make one to detect screen resolution with redirects, thought I could with IP Addresses.

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  offroadaaron said:
why cant this just be a lan setup website then? an Intranet site and not an Internet site!

otherwise you just make it accessible via the external IP address of your service and not via the LAN IP addresses.

because i am just an employee designing a small website tool to help myself. i dont have access to the local intranet.

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well then block everything except for the external IP address of your work, server side. Apache can do this and im sure IIS can aswell.

you cant do it via LAN IP address.

One - The LAN IP address isn't whats shown on the net when the packet is passed to the server (fairly sure).

two - Anyone could be using the same IP address as you on a LAN.

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As long as it is a up to date server OS (Server 2003 SP2 or above) there should be no reason not to have a intranet on the internet (Extranet) as long as it is password protected

thousands of companies do this daily with no problem.

you could also setup a VPN from your work to the remote server then set the remote server to accept only your works internal lan IP's for connection to the website

Edited by winrez
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  winrez said:
As long as it is a up to date server OS (Server 2003 SP2 or above) there should be no reason not to have a intranet on the internet (Extranet) as long as it is password protected

thousands of companies do this daily with no problem.

you could also setup a VPN from your work to the remote server then set the remote server to accept only your works internal lan IP's for connection to the website

yeah companies do this via VPN and such not just via normal html password and IP address. I mean yeah its fairly safe and all but honestly I wouldn't do it (not if there is information that the company doesn't want to be leaked) unless a VPN was setup. That way everything is encrypted and there is a tunnel straight through to the server.

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  jordanspringer said:
because i am just an employee designing a small website tool to help myself. i dont have access to the local intranet.

If it's just a tool only for you, put it on your pc, with IIS on, and limit ip to only your pc. I'd also re-read your your I.T. useage policy. You could be terminated by just accessing an outside website and/or hosting a web service.

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since your work most likely has nothing but local ip addresses (10.*, 192.168.*, a few others) internally and if you are only going to have static html pages, you can just share the web directory with windows* to allow other computers on your network to access it. under this assumption that your company is using internal ip addresses this page will not be accessible outside your router unless it's specifically forwarding incoming traffic to your computer for whatever reason--and even so because you arent running a web server they wouldnt see anything.

i highly recommend you speak with your network admins if you really want to set up a web server and all. being a net admin myself, i know this sort of thing can be a bitch from a management standpoint if you don't know about it before hand.

*it's been a while since i've used windows so take this with a grain of salt.

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