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Cytat
Do celu tam się wysiada. Lec Stanisław Jerzy (pierw. de Tusch-Letz, 1909-1966)
A bogowie grają w kości i nie pytają wcale czy chcesz przyłączyć się do gry (. . . ) Bogowie kpią sobie z twojego poukładanego życia (. . . ) nie przejmują się zbytnio ani naszymi planami na przyszłość ani oczekiwaniami. Gdzieś we wszechświecie rzucają kości i przypadkiem wypada twoja kolej. I odtąd zwyciężyć lub przegrać - to tylko kwestia szczęścia. Borys Pasternak
Idąc po kurzych jajach nie podskakuj. Przysłowie szkockie
I Herkules nie poradzi przeciwko wielu.
Dialog półinteligentów równa się monologowi ćwierćinteligenta. Stanisław Jerzy Lec (pierw. de Tusch - Letz, 1909-1966)
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.This is often done when the virus searches through aninfected user s address book and picks an address at random to use as the sender saddress.Check out Figure 12.7 and you ll see an e-mail that was created by avirus, and worse, has been spoofed to look like it s from someone I know.Trickystuff.Update your definition list often, your software s list of viruses that are currently incirculation.Active viruses are sometimes said to be "in the wild." Most antivirus softwarehas automatic updating features that will connect over the Internet and download acurrent definition list (Figure 12.8).Make sure to use these features and get a newdefinition list often.Updating your list every 1-2 weeks will likely be sufficient.Figure 12.8.Use your antivirus software s features for updatingdefinition lists of viruses that are in the wild. ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ]SummaryWireless networking by its nature requires more security than a wired networkingtechnology, such as Ethernet.You can use some security methods, such as using a routerand firewall to keep unauthorized users from gaining access to your network from theInternet.You can also use WEP to encrypt data over your wireless network.If you use arouter, you can set up the router to only allow network adapters that you select to haveaccess to your network.Finally, make sure each machine on your network has antivirussoftware installed, and be diligent in downloading up-to-date lists of circulating viruses, oryour software will be of little use.[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ]Appendix Adding a ServerIn this chapter." Wirelessly Connecting a New Server" Setting Up File and Printer Sharing" Adding a Wireless Printer Server" Protecting Your ServerOne of the greatest things about a home or small office wireless network is the ease inwhich you can set them up to communicate directly between computers.Unlike thenetworks used by many medium- to large-sized offices, your requirements probably don tnecessitate using a server.However, if you have an extra computer, or would like to sharedata between home or office users without necessarily tapping your computer s resourceseach time someone connects, you can add a server to your network as easily as adding awireless network adapter to a PC.Many office networks use a powerful server to host software that is shared by many users(instead of installing the software on each individual PC).This makes the networkadministrator s job easier, and has other financial and ease-of-setup benefits.If you sharedata and printers among those connected to your network, you too might consider using aseparate computer to handle data sharing and printing, centrally located in your wirelessnetwork.[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ]Wirelessly Connecting a New ServerUsing an old or new computer to share files and printers can make your wireless networkquite a bit more efficient.Everyone in your home or office can access often-used files andprinters without slowing any one person s computer on the network.Adding the server is a simple as connecting a wireless network adapter to a PC.Once your wireless network adapter is connected and working, you ll first need to nameyour computer.Then you can set up file and printer sharing.We discuss these steps indepth in Chapters 7 and 8.In the next sections, we ll look at the basic steps for gettingyour server up and running.[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abc[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcSetting Up File and Printer SharingHere we ll look at a quick rundown of the basic steps for sharing your server s files andprinters.Windows 2000 and Windows XP offer print and file sharing turned on by default(if, for some reason, these features are not enabled, see Chapter 8).Windows Me users can use the Home Networking Wizard.Choose Start, Programs,Accessories, Communications.Select the Home Networking Wizard.Windows XP offers itsown Network Wizard (Start, All Programs, Accessories, Communications, Network SetupWizard), which can step you through all the settings necessary for sharing your server.To start sharing a Windows 98/98SE computer, follow these steps.Windows 95 usersshould also be able to get going using these steps.From your Desktop, right-click Network Neighborhood and choose Properties (Figure1.A.1).Figure A.1.Choose Properties to open the Network dialog box.When the Network dialog box opens, click the Identification tab (Figure A.2).2.Figure A.2.Select the Identification tab.Type in a computer and workgroup name.If you like, add a description that will let3.users know what type of computer is being shared, in this case, something like"The Server (Figure A.3)." ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abc[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcAdding a Wireless Printer ServerOne of the coolest new wireless devices to hit the market is the wireless print server (Figure A.13).These devices are inexpensive (often less than $80) and provide a nice wayto save time and space.Most home or small-office LANs connect one or more printers to aPC, then share that PC.It might be a PC that someone uses for work everyday, or acomputer that is set aside for printing jobs only.Either of those situations can benefitfrom a wireless printer server.Here s why:" You can place your printer server (and your printers) anywhere in your wirelessLAN s range." You can free up a computer that you were using as a printer server." You can send multiple print jobs to the printer server, and it can handle theprinting simultaneously.Figure A.13.This wireless printer server from Linksys costs about$75.Netgear makes one for about the same price.Figure A.14.You can also purchase a wireless access point (androuter) with a built-in printer server.These bundled features aremore and more common.Adding a printer server can be a great way to share a printer, without having to leave oneof your computers on to do it. ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ]Protecting Your ServerProtecting your server is important if you share sensitive documents, such as financialrecords.Make sure to install a personal firewall (see Chapter 12).It s also a good idea touse a hardware firewall, such as the one built into many wireless access points/routers.[ Team LiB ] ABC Amber CHM Converter Trial version, http://www.thebeatlesforever.com/processtext/abcchm.html[ Team LiB ]SummaryWireless networking makes sharing a server easy.You can use an older, less-often-usedmachine as a server to share files and printers.In addition, wireless technology lets youplace the server anywhere in your network s range
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