TECH TIPS
Using a wildcard subdomain in DNS to handle an unlimited number of customer sites and portals from a single IP
On your public DNS server, add a A Host record of "*" (wildcard). So it will look something like *.sandbox.domain.com. Now you can have an unlimited number of sites -- site1.sandbox.domain.com, site2.sandbox.domain.com... -- running from a single public IP.
Sonicwall NAT Policy + Firewall Rules needed to forward SMTP traffic to Exchange 2007 mail server
First, you need to create 2 Address Objects. one which corresponds to the public IP of the Exchange 2007 server and one that corresponds to the private IP. For NAT policy, you have to add 2 rules that are mirror images of one another. Go to the WAN > LAN...
Sonicwall NAT Policy + Firewall Rules needed to forward SMTP traffic to Exchange 2007 mail server
First, you need to create 2 Address Objects. one which corresponds to the public IP of the Exchange 2007 server and one that corresponds to the private IP. For NAT policy, you have to add 2 rules that are mirror images of one another. Go to the WAN > LAN...
What is a good Bluetooth USB adapter / dongle that works with Vista keyboard + mouse
Azio Bluetooth V2.0 + EDR Class I works with 2000/XP/Vista and is USB 2.0. Up to 100 m range with transfer rates of up to 3Mbit/s. Everything autodetected. When connecting a Bluetooth keyboard, follow these instructions: Open Bluetooth Devices, and then click...
How to play DVDs in Windows Vista
Use VLC Media Player -- http://www.videolan.org/vlc/ -- it works like a charm!
Quick reference to port numbers for POP3 and SMTP, others
http://www.webopedia.com/quick_ref/portnumbers.asp