Professional users are always searching for an edge. Whether you work with Linux as a webmaster, programmer, system administrator, or security consultant, you know the best solution depends on finding the right tool for the job. We thought you might be interested in the following new products and updates.

The Linux packet filter iptables lacks a function that dynamically enables ports for authenticated users. Portsmith plugs this gap, allowing users to enable their own connections.

Want a topside view of possible problems? NagVis is an easy tool for visualizing the status of your network.

Virtual performance tuning is a lot like ordinary performance tuning – but not exactly.

Synergy lets you combine multiple PCs into a single virtual desktop.

For the longest time, Charly used vi to edit his nameserver's zone data, which isn't too elegant because a mere fat-finger will get you into DNS trouble. Fortunately, NicTool will help ease the pain – even in the midst of a move big enough to kick up a dust storm.