Guidelines For Configuring Web Servers To Isolate Web Sites And Applications

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This section provides reasons for MCTS exam(http://www.mcts-70-620.com)
Web sites, explains how to isolate Web sites and applications, and then teaches how to configure Web servers to isolate Web sites and applications.

In some situations, a single Web site will be hosted on a Web server. However, there are many instances where multiple Web sites run on a single server. Two examples are:
An organization runs multiple departmental Web sites on a single server for convenience, ease of management, and cost reduction.
An ISP provides hosting services for many organizations and places multiple Web sites on each Web server that it uses.
In both cases, there are good reasons for isolating Web sites from one another including:
Performance and reliability If a specific Web site crashes or performs poorly,this action will not affect other sites.
If a Web site is compromised, the attacker will be prevented from accessing other Web sites.
If a Web site needs to be taken offline for maintenance or restarted, this will not affect other Web sites.
Many departments within an organization ...
... might have departmental MCTS: Windows Vista(http://www.mcts-70-620.com)
Web sites. It is cost prohibitive to establish and
maintain a server for each department. A Web server with multiple Web sites,however, can meet this need and provide a better opportunity to secure and main?
tain security for all Web sites.
An alternative to isolation is the use of virtual machines. In this scenario, a server runs each Web site in its own virtual machine, literally using a sandbox technique. Because each site runs in its own machine, none has access to the other. However, in this case, multiple operating system licenses are required, as are operating system security configuration and maintenance. You should also be aware that not all virtual machines create such a sandbox. There are mainframe virtual machine technologies that do so, but many PC-type virtual machines do not do exactly the same thing.
With this authentication type, credentials are passed over the network in clear text. Basic authentication requires a user account and password. This authentication type can be used by all Web clients.
With this authentication type, requests must include valid Microsoft.NET passport credentials. If no credentials are detected in the request, the request is redirected to the MCSE study guides free download(http://www.examshots.com/certification/MCSE-2003-50.html)
passport logon page on the Internet. If selected, all other authentication types are unavailable.