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In Pictures: 12 Android apps to help keep your IT ...
When you don't have an SSL-VPN or IPSec VPN already set up, SSH tunnels will do the job -- and they just work. SSH Tunnel allows you to tunnel just about any app to your destination, such as a Linux machine at work. You could point your app at 127.0.0.1 port 12000 and pop out from the Linux box to hit your IIS-based WebDAV server at 10.51.0.200 on port 80, for example. Unlocking advanced features requires root access.
In Pictures: 12 Android apps to help keep your IT shop humming