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[2003-05-30] An Introduction to Network Firewalls and Microsoft Internet Security and Acceleration Server
Everyone needs a firewall. If you run a web site, have a dial-up connection or control a corporate backbone you have to install a firewall. This will allow the control of what internal information from your network or computer is allowed to go out, and what information is allowed to come in. Taking advantage of a simple firewall installation can help you preserve your data and report all attempts of unauthorized access.
[2003-05-27] Combating SPAM Problems in a Corporate Environment
Perhaps no problem plagues the Internet as deeply as that of unsolicited junk E-mail, or SPAM. While there's no doubt that SPAM can be annoying to the end users, SPAM can cause problems for both the network administrators and for those who own or manage a company. The reason for this is that SPAM robs your company of productivity and of system resources.
[2003-05-23] Working with Permissions in PHP, Part 2
In my last column, we took a step away from PHP to discuss the Unix permissions system. In today's column we return to PHP to show you how to apply what you learned last time; again, this column applies only to those who work with PHP in an environment that supports Unix-like permission.
[2003-05-19] Working with Permissions in PHP, Part 1
In the past few columns, I have been discussing using PHP's file I/O capabilities for manipulating both files and directories. This week, we'll take a slight detour from a strictly PHP-related subject and discuss file permissions in Unix systems. If you are using PHP in a Windows environment (or other environment without a permission system), this column may not apply to you.
[2003-05-07] Mask Your Web Server for Enhanced Security
Masking or anonymizing a Web server involves removing identifying details that intruders could use to detect your OS and Web server vendor and version. This information, while providing little or no utility to legitimate users, is often the starting place for crackers, blackhat hackers and "script kiddies".
[2003-05-02] Ten Ways to Make the Most of IIS
As an IIS administrator it sometimes gets downright annoying having to fend off all the insults from Apache admins I meet claming innate server superiority. Generally the discussion about Web administration starts first with all the various security holes plaguing IIS and the negative press the platform garnered over the last year.
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