In an era of slashed IT budgets, David Davis looks at several lower-cost and entry level options of implementing VoIP, including those from Cisco.
What if I said I know of an approach that would definitely reduce the amount of e-mail spam you receive? No way, well read on. It’s simple, works, and I’d like to share it with you.
The ATEN Virtual VNC Console functions as a hardware console to access remote servers via VNC. However, it has a dual use; it also works as a VNC server to receive screen updates to display on an attached monitor or projector. Read on to find out more about this productivity enhancing network appliance.
Netsh is one of my favorite commands for Windows for networking information, changes, automation, and management. Yes, all of those! I’ve covered netsh here a number of different times on topics like scripting out a DHCP reservation, setting a port policy, and 10 things you should know about netsh. With every release of Windows, there are more contexts added to netsh since its initial release in Windows 2000. There are now 21 network contexts which focus on everything from a DHCP server, network access protection (NAP) client, network policy server, routing, and windows firewall.
David Davis goes over the Cisco IOS commands you must know to manipulate files on your Cisco router flash, nvram, or other filesystems, allowing you to back up your configuration, upgrade your router, or just maintain the IOS file system.
A new IE7 exploit is now making the rounds. It has already been incorporated in toolkits that install information-stealing trojans. Read on to learn more.
If your network troubleshooting is more art than science, then you might need to try a more methodical approach. Here is a basic guide that will help you organize your troubleshooting efforts.
Community user groups are a great way to find other professionals in your area and expand your list of contacts. You can often leverage knowledge from these professionals or even obtain work for each other.
Home DSL routers aren’t secure from specialized CSRF attacks. Once the DSL router is owned, attackers can have their way with the internal network. Read on to learn about CSRF and what you can do to prevent CSRF attacks.
As of this past October, there were some 300 million 3G UMTS subscribers around the world. Actual airtime is not available, but anecdotal evidence suggests that uptake on the video abilities afforded by 3G remains dismally low. Paul Mah suggests some possible applications of 3G video for the IT professional.