project management newsletter

Articles

Tech Tip: Shut down unnecessary services

December 8, 2003 2:29pm PST

By default, most Linux distributionsautomatically enable a number of services. However, this iscounterintuitive when it comes to security. You can rectify thisafter booting into your newly...

Articles

Tech Tip: Cross-platform authenticate with OpenLDAP

December 8, 2003 2:29pm PST

OpenLDAP is a robust Lightweight DirectoryAccess Protocol (LDAP) implementation for Linux that ships withmost Linux distributions. LDAP is very similar to Active Directoryin that it's a database....

Articles

Tech Tip: Determine file size with du

December 8, 2003 2:29pm PST

There are times when you'll need to figureout the size of files or directories on your Linux system. This isespecially important when you're trying to determine if a certainset of files or...

Articles

Tech Tip: Password-protect LILO

December 8, 2003 2:28pm PST

Protecting computers from unwanted intrudersis a daunting task. If attackers are able to physically reach yourbox, they can obtain root access in a matter of minutes. Theirobvious attack method is...

Articles

Tech Tip: Avoid mangled Active Directory names

December 8, 2003 2:28pm PST

If you use Microsoft's deployment guide forupgrading to Windows Server 2003, "Upgrading Windows 2000 Domains to Windows Server 2003 Domains,"you'll notice that one of the first steps in upgrading...

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Articles

Tech Tip: Set a limit on message recipients

December 8, 2003 2:27pm PST

Administrators can limit unnecessary trafficon Exchange servers without hampering the delivery of legitimatebusiness messages. One way to accomplish this is to limit thenumber of recipients for...

Articles

Tech Tip: Put OWA behind a firewall

December 8, 2003 2:27pm PST

Many IT departments place systems exposed tothe Internet in their firewall's demilitarized zone (DMZ). Thispractice helps protect the servers from internal and externalattacks. Placing servers in...

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Articles

Tech Tip: Enable AD schema updates

December 8, 2003 2:27pm PST

In some cases, it may become necessary toupdate the Active Directory (AD) schema. For example, enablingschema updates is necessary if you're updating your Windows 2000domain to Windows 2003 and...

Articles

Tech Tip: Display incoming mail with a fixed-width font

December 8, 2003 2:27pm PST

If your users receive a great deal of tabledata in their Internet mail, they probably want columns to line upas the sender intended. Users could save the message and change thefont themselves, but...

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Articles

Tech Tip: Customize the OWA 5.5 Checkname feature

December 8, 2003 2:26pm PST

Beginning with Outlook Web Access (OWA) 5.5Service Pack 1, users can check and resolve e-mail recipient names.The OWA default installation limits the number of displayed namesto 10. This...

Articles

Tech Tip: Educate users about public OWA access

December 8, 2003 2:26pm PST

While users can access Exchange from nearlyanywhere using Outlook Web Access (OWA), you need to educate themabout the risks of accessing any Web application, including OWA,from a public computer....

Articles

Tech Tip: Troubleshoot a fast-growing information store

December 8, 2003 2:26pm PST

If your information store displaysunexplained rapid growth, it's probably the result of a rule that'screating a loop. To find the problem mailbox, follow thesesteps: Open the Exchange...

Articles

Tech Tip: Eliminate event 1023 error messages

December 8, 2003 2:26pm PST

If your clients use POP3 to retrieve mailfrom an Exchange 2000 or Exchange 2003 server, you may receive anerror message that's similar to the following: Event ID: 1023 Event Source: POP3SVC...

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Articles

Tech Tip: Fix OWA server timeout errors

December 8, 2003 2:26pm PST

If you've installed Outlook Web Access (OWA)5.5 on a server other than the system that hosts the mailboxes,your users may receive the following error message. ASP 0113 Server Timeout: The...

Articles

Tech Tip: Host multiple SMTP domains on Exchange 2000

December 8, 2003 2:25pm PST

Businesses are finding more and more uses formultiple SMTP domain names. Since registering domains is cheap andeasy, chances are you'll face setting up multiple domains sometimesoon. Follow...

Articles

Tech Tip: Change session timeouts for OWA 5.5

December 8, 2003 2:25pm PST

For Web-based applications, session timeoutsare valuable for both performance and security. When users walkaway from a system without logging out from the Web application,terminating the idle...

Articles

Tech Tip: Configure the Internet Mail Service for multiple domains

December 8, 2003 2:25pm PST

More businesses register multiple domainnames than ever before because it's cheap and easy to do. Someusers have several e-mail addresses, all with different domainnames but delivered via the same...

Articles

Tech Tip: Disable nondelivery reports in Exchange 2000

December 8, 2003 2:24pm PST

Most administrators find nondelivery reports(NDRs) valuable as a troubleshooting tool. However, spam now swampsmost mail servers that are connected to the Internet, oftengenerating NDRs that queue...

Articles

Tech Tip: Assign access to mailboxes in Exchange 2000

December 8, 2003 2:24pm PST

Exchange 2000's security is improved overprevious versions in several areas. One important change is that noaccount has access to the organization's mailboxes by default.Access must be...

Articles

Tech Tip: Direct NDR notifications to an SMTP address

December 8, 2003 2:24pm PST

Nondelivery reports (NDRs) are often helpfulwhen troubleshooting delivery problems because they usually containthe specific error that caused the delivery problem. Follow thesesteps in Exchange...