Hi,

Ok, next issue :). I'm trying to setup an OS X client IPSec/L2TP connection to 
strongSwan 4.5.0.

The strongSwan server and the OS X client are both behind a NAT. I managed to 
find the configuration to get the tunnel establishment to pass phase 1 but it 
fails in phase 2. The OS X client (raccoon) fails to match its computed HASH(2) 
with strongSwan's hash passed with the STATE_QUICK_R0 message. I've attached 
the strongSwan debug traces and raccoon debug traces to this email. Any ideas 
why raccoon and strongSwan don't agree on the hash value?

Someone reported a similar issue last month and indicated that things were 
working when the strongSwan server was NOT behind a NAT but failed when it was 
behind a NAT.

Here's the config I'm using:

conn rw
        esp=aes128-sha1
        ike=aes128-sha-modp1024
        keyexchange=ikev1
        keyingtries=3
        type=transport
        left=%defaultroute
        leftsubnet=aa.aa.aa.aa/32
        leftprotoport=17/1701
        right=%any
        rightprotoport=17/%any
        rightsubnetwithin=0.0.0.0/0
        authby=psk
        pfs=no
        compress=no
        auto=add

Cheers,
Benoit.

Attachment: racoon.log
Description: Binary data

Attachment: pluto2.log
Description: Binary data

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