[strongSwan] VPN from iPad to ubuntu-10.4

Andreas Käser strongswan2011 at insecteam.de
Wed Jun 22 14:09:27 CEST 2011

Kim Zeitler wrote:
> Hello Andreas,
>  > I tried to use the iPad's pure-IPsec configuration, and no ESP
>  > packets were seen. So I concluded that with L2TP-over-IPsec I was
>  > one step more close to the goal ;-)
> from your mail I see that you tried to use a 'pure' ipsec connection.
> In my experience L2TP is to much hazzle to set up.
> iOS4 connecting to strongSwan works fine and lately a good guide was 
> posted in the wiki [1].
> Apple itself listed the requirements for an ipsec tunnel in [2].
> Following these points you should be able to create a connection between 
> your iOS4 device and your server.
> Cheers,
> Kim
> [1] http://wiki.strongswan.org/projects/strongswan/wiki/IOS_%28Apple%29
> [2] 
> http://developer.apple.com/library/ios/#featuredarticles/FA_VPN_Server_Configuration_for_iPhone_OS/Introduction/Introduction.html 

Thank you, Kim,

that was very fast! I have seen the wiki page during googling, 
but as ist was not about l2tp I was struggling with in that 
moment, I didn't dig into it. I'll dig deeper. In meantime I 
found, that certificates can just be sent by email - there is no 
USB connector, that's why I started with preshared keys.

I'll post either more questions or a success story later.


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