N File Transfer Protocol FTP IIS FTP services enable you to set up an FTP site on a Windows Server 2008 computer.. 303 Chapter 19: Understanding Other Windows Server 2008 Services N Netw
Trang 1Exploring IIS
Windows Server 2008 includes a set of Internet services that run as part of Internet Information Services (IIS) These include the following services:
N Web IIS web services provide comprehensive web-hosting software You can define multiple web sites with IIS, each one administered separately For each site, you specify the directory in which the site’s files can be found, as well
as security settings for the site and performance parameters to optimize the performance of the web site
N File Transfer Protocol (FTP) IIS FTP services enable you to set up an FTP site on a Windows Server 2008 computer You define the FTP directory, as well
as whether directory listings will be shown in UNIX or MS-DOS style formats You can also set security settings to allow or disallow different client computers
or client networks access to the FTP server, and specify whether you will permit anonymous FTP logins
Figure 19-2. Use the Routing and Remote Access MMC plug-in to administer remote access
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N Network News Transfer Protocol (NNTP) The NNTP server in IIS enables
you to set up your own Usenet-style site using the NNTP protocol Clients can
connect to your NNTP server using tools such as Outlook Express or other
Usenet news readers
N Simple Mail Transfer Protocol (SMTP) The SMTP server allows SMTP
connections to be formed between the system running IIS and remote SMTP
mail systems SMTP is the standard protocol for exchanging e-mail over the
Internet
Each of these services can be started or stopped independently
IIS is administered through the Internet Services Manager program found in the
Administrative Tools program group Figure 19-3 shows the Internet Information
Services (IIS) Manager window
Figure 19-3 The Internet Information Services Manager provides a single place to administer
Internet services
Trang 3Understanding Windows Terminal Services
Windows Terminal Services is possibly one of the most powerful services discussed in this chapter Using Terminal Services, you can set up a Windows Server 2008 almost as
if it were a mainframe—where terminals can connect and all the work is performed on the central computer, which in this case would be a Windows Server 2008 computer
A client computer connects to a terminal server using a TCP/IP connection—over
a dial-up or a local area network (LAN) or wide area network (WAN) connection—and logs in From then on, the client computer is responsible only for displaying screens and accepting keyboard and mouse input—all of the work is actually being done on the terminal server through the creation of a virtual Windows machine on the server A terminal server can create many virtual Windows machines, each one carrying out its own tasks and running its own programs
When would you use a Terminal Services connection to a network instead of a remote node connection, such as the remote node connections offered via RRAS? The answer depends on a number of factors, including the following:
N Inadequate resources The remote computer doesn’t have adequate resources
to run some application or perform some task By running its programs on the terminal server, the remote computer can take advantage of the terminal server’s resources For example, suppose that a particular application runs optimally only when it has 8GB of RAM with which to work A Windows XP client with 1GB of RAM could connect to the terminal server (which has, say, 12GB of RAM) and run the application in question Similarly, some applications might require many processors or direct access to large disk arrays or to some other centrally located resource to which the terminal server has access
N Low-bandwidth connections Over low-bandwidth connections, such as 33.6 Kbps modem connections, some applications work far more effectively using a remote control approach rather than a remote node approach (these approaches are explained in Chapter 10) Most remote access connections are low bandwidth, yet some applications need high bandwidth to work properly Because a remote computer connected to a terminal server just needs to transfer display and input information, the application running on the terminal server can run much faster than it could over a remote node connection
N Demanding applications Some applications and tasks, such as administration
of a Windows Server 2008, cannot be fully performed by another computer, even if it has a connection running at LAN speeds Terminal Services allows a remote computer to run such applications if the computer has the appropriate permissions For instance, suppose that your company has a remote network located somewhere in Asia, but the network is not large enough to justify a local administrator Using Terminal Services, you could connect to that network over the company WAN and perform the necessary administrative tasks, such as configuring hard disks, shares, additional network protocols, and so forth
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Certain applications might require that you use Terminal Services However, in any
case, you might want to consider Terminal Services as an adjunct to your remote access
services If you have many remote users to support, you might find that some users
have needs best served by remote node connections and some have needs best served
by remote control connections Running both services on your network will give you
considerable flexibility in supporting remote users and solving any problems that they
might encounter
CAUTION If you implement Terminal Services, make sure that you carefully review Microsoft’s
license agreement and pricing models, which differ when you use Terminal Services
Chapter Summary
The Windows family of servers, including Windows Server 2008, is perhaps the richest
network operating system environment available today While other products can
perform all the tasks described in this chapter, none include all these capabilities out of
the box; add-on purchases are required Because of the richness with which Windows
Server 2008 is packaged, you can more easily put together a server to meet nearly any
need you may have And because the various Windows Server 2008 services work so
well together, you can easily implement nearly all these advanced services on just a
single server!
This out-of-the-box flexibility and ease of administration are two of the reasons
the Windows family of network operating systems has gained a leading share of the
market, and why it’s a safe bet Windows Server 2008 will continue this trend
Although Windows servers probably run most servers in most companies, another
popular choice is servers that run Linux In the following three chapters you learn
about installing and administering Fedora Linux, as well as installing an Apache web
server under a Fedora Linux installation