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One more thing - the example you gave:<br />
<a href="http://xxx.xxx.245.194/nkarch.co.uk/home.aspx" rel="ugc">http://xxx.xxx.245.194/nkarch.co.uk/home.aspx</a>&nbsp;<br />
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is confusing. it includes IP address, meaning the request will go to IP xxx.xxx.245.194, where it will try to access a FOLDER /nkarch.co.uk, and inside this folder it will run home.aspx application.<br />
Confusing part is that nkarch.co.uk looks like DOMAIN name, and it contradicts logic - why would you access the publically available domain via IP?<br />
<br />
The public link should be EITHER:<br />
<a href="http://xxx.xxx.245.194/home.aspx" rel="ugc">http://xxx.xxx.245.194/home.aspx</a>&nbsp;(...if you do not have public DNS setup)<br />
or<br />
<a href="http://nkarch.co.uk/home.aspx" rel="ugc">http://nkarch.co.uk/home.aspx</a>&nbsp;(...if you DO have public DNS properly setup)
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besides this you can also change the port for that specific site and can access
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I have setup a website on my web server. I can access the site locally on webserver using the url <a href="http://local.nkarch.co.uk/home.aspx" rel="ugc">http://local.nkarch.co.uk/home.aspx</a>. ( Now I want to access it via internet) I am using windows 2008 web server and IIS 7.5. &nbsp;I know we can setup a virtual directory on server and access the website using the IP like <a href="http://xxx.xxx.245.194/nkarch.co.uk/home.aspx" rel="ugc">http://xxx.xxx.245.194/nkarch.co.uk/home.aspx</a>&nbsp;but I don't want to create a virtual directory to access it.
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I have setup a website on my web server. I can access the site locally on webserver using the url http://local.nkarch.co.uk/home.aspx. ( Now I want to access it via internet) I am using windows 2008 web server and IIS 7.5.  I know we can setup a virtual directory on server and access the website using the IP like http://xxx.xxx.245.194/nkarch.co.uk/home.aspx but I don't want to create a virtual directory to access it.

how to access a website via internet running locally on IIS of webserver

IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.

Microsoft IIS Web Server

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.