First came anti-virus software for our Pocket PC devices. Now comes mobile firewall software from ProtectStar. ProtectStar Mobile Firewall is a compact firewall for Windows mobile Pocket PCs and Smartphones. It will let you control both inbound and outbound connections in realtime and works with Wi-Fi, UMTS, GPRS, Bluetooth and USB modes. It supports VPN and traffic logging, comes with a filter wizard as well as manual filter control, a profile manager and a central management option.
ProtectStar Mobile Firewall is available for $ 35.95 USD directly from ProtectStar. A 10 day trial version is also available.