Network

Should you move customers to 802.11n?

802.11n has been ratified. And best of all, the release contains no incompatibility with the draft versions. Many laptops and other network devices have implemented 802.11n draft for the past couple of years. So should you upgrade any remaining 802.11g or 802.11b devices in customer networks?

   
SecurityClient

PDF Security: obfuscated code, hackers and other threats

Hackers are finding increasingly inventive ways of exploiting holes in Acrobat.
The same rich content that makes PDF so useful to businesses can also make it a security risk. Embedding links, images, tables and media uses JavaScript and that allows PDF files to be exploited as an attack vector for hackers.

   
ServerNetworkBusiness Continuity

Rebuilding a NAS appliance RAID array

Disks fail, and RAID arrays need rebuilding. Be prepared for the worst – and keep your clients’ data safe.

   
ClientThe Business

Buying Laptops for Small Business

The lowest price isn’t always the best value; paying a little extra for a notebook that’s designed for business could be a better deal.

   
Server

Getting a SAN certificate for Exchange 2007

Exchange 2007 uses SAN certificates, which allow you to mix several different server names in a single certificate. Generating a certificate can be a problem, as the PowerShell command needed to generate the certificate signing request can be long, and unwieldy – and it’s easy enough to make a mistake when typing in part of a long command.

   
Business ContinuityThe Business

How to write an IT service-level agreement

A service-level agreement manages expectations and improves communication when you’re starting your relationship with a customer as well as when things go wrong.

 

 
   
ServerSecurityNetwork

Security in the Virtual world

Many organisations need help expanding their data security policies to embrace virtual IT environments

   
Network

Managing and migrating firewalls

Firewalls can provide you with a host of information about what’s going on inside and outside your customer’s network. But that information isn’t necessarily easy to manage and analyse.

   
Business Continuity

Backing up Exchange

Like any other database, Exchange needs a little TLC if you want to recover from any downtime.

   
ServerClientTelecoms

Small Business Applications for Blackberry

BlackBerry is more than a phone with secure email; it’s also an application platform, with plenty of business-focused applications and tools. Even though App World adds a one-stop shop for trials and downloads you still want to be involved in recommending business BlackBerry apps to your customers, so here are our top picks.

   

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You want the PCs you support to have the right time for more reasons than keeping the users happy; for one thing, if every PC has a slightly different time, finding which version of a file was updated most recently gets much more complicated. Get your head around the Windows Time Service at http://technet.microsoft.com/en-us/library/cc773013.aspx, get the commands for making a PC get its time from the domain at http://technet.microsoft.com/en-us/library/cc758905.aspx and if you want a an alternative time server use uk.pool.ntp.org to get the time from a random time server in the NTP Pool Project (read about the project at http://www.pool.ntp.org/use.html) read more

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