Securing administrative access to your Sonicwall from the WAN There are several reasons you may want to enable remote management on the public-facing (WAN) interface of a Sonicwall firewall: Remote assistance is needed with the initial configuration Virtual Private Networking (VPN) has not yet been configured You require temporary remote polling or administration For security […]

Interesting issue that was just resolved at a client. We use Cisco WAPs (Cisco WAP321 model) for some SMB customers and it seems that they have an interesting quirk that will cause some serious issues on a network if they are plugged into an STP-enabled SmartSwitch. By default, the WAP is also STP-enabled and it […]

So you have a client that has a VoIP system? They have remote users that need to be able to access the phone system from Internet / VPN? How do you configure an ASA to work with this type of a scenario? Or, even better, why isn’t your ASA configuration working to allow this? If […]

Hairpinning is the term used when someone wants to redirect traffic from an internal network destined for the public IP of an internal resource back to the internal IP of the internal resource. It’s essentially a “U-Turn” for packets destined to travel externally when the ultimate destination is a NATed inside resource on your own […]

Crazy cursor on Windows Surface?  If you experience a problem where the mouse cursor starts acting erratically on your Windows Surface RT, it just might be a defective keyboard. From the moment I started playing around with my Surface, I started having issues where the cursor starting moving on its own around the screen, blinking […]