Apple iPhone is having problems creating an IPSec tunnel to a Juniper firewall
Knowledge Base ID: KB9923
Version: 4.0
Published: 03 Nov 2009
Updated: 03 Nov 2009
Categories: . Firewall/IPSec_VPN
. ScreenOS

Synopsis:
Can an IPSec tunnel be established between the Juniper firewall and an Apple iPhone?

Problem:

Solution:
IPSec to Apple iPhone is not supported. 

IPhone lacks the following configuration parameters required for IPSec Interop:
  • Does not support configurable client id.  Lacks the capability to pass default identity information such as macuser@localhost
  • Supports static IP address for IPSec negotiation.  Static IP address assignment to VPN users is not feasible.

Purpose:
Interoperability