IPsec VPN
From Amahi Wiki
iOS
Go to Settings > Network VPN > IPSec, enter the settings below and click on Save.
- Description: Amahi IPSec VPN
- Server: YOURNICK.yourhda.com (put your Amahi dyndns address, nickname and host)
- Account: USERNAME
- Password: leave it as "Ask Every Time" or put one if you feel it's safe to leave it there
- Use Certificate: leave it as OFF
- Group Name: Amahi (with a capital A)
- Secret: this is the 4-character you got the when you installed the IPSec VPN app in your HDA
- Proxy: leave it as off
iPhone 3, iPod Touch
It should look something like this (iPhone 3, iOS 4.x).