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Many IT departments place systems exposed to the Internet in their firewall’s demilitarized zone (DMZ). This practice helps protect the servers from internal and external attacks. Placing servers in a DMZ also protects the internal network if an attacker compromises the exposed server. You can place an Outlook Web Access (OWA) server in a DMZ, …

Sometimes, a problem can temporarily stump even experienced Exchange 5.5 administrators. For instance, your servers all seem to work, your users notice no problems, and yet adding an owner to a distribution list produces the following error: An internal processing error has occurred: Invalid Attribute Syntax. Please restart the Administrator program, Microsoft Exchange Server or …

Here’s how to use Ping when wanting to go back to the host name of your computer.

Are you looking for a quick way to deal with a driver that’s hanging your system? If Windows NT is running but the user interface isn’t functioning, chances are that NT’s 32-bit network services are still functioning. If this is the case, you can edit the registry from another computer. Here’s how: Log on to …

Disk space can easily become a nightmare, especially on system drives of older servers. Since most Windows NT system drives are limited to 4 GB, running services from other volumes and preserving that space is very attractive. One way that this is accomplished is by putting the system swap file on another drive. The swap …

You can use PHP to position HTML elements. Here’s how.

Use this reference page to identify various HTML tags.

The Web-safe color palette contains the colors that are supposed to render consistently across platforms and browsers. Find out if this palette is best for you.

Even the best hires can languish on the vine if they’re not treated with fairness and respect. Here are some rules to help you manage your people the right way.

Backing up SQL Server is a standard practice, but knowing which recovery model to use can be confusing. Use these tips to get started with your backup strategy.

This new book from Addison Wesley Professional publishers might not help you code more efficiently, but it will help you make your Java Web site more efficient.

Software vendors keep telling us that Web services are the answer, but none of them seem to know the question. ZDNet Australia explores the state of Web services today.