The vendor is running a Vyatta 6.5 Firewall, the VPN is setup to use a PreShared Key. The problem looks to be that the Preshared Key is incorrect or isn't being picked up by the Sophos. I've attached the Sophos IPSEC, Gateway and Policy. Does anyone have any experience with these Vyatta Firewalls?
The Error message on the Sophos UTM VPN Logs
2014:04:08-17:02:14 portal-1 pluto[21423]: | preparse_isakmp_policy: peer requests PSK authentication
2014:04:08-17:02:14 portal-1 pluto[21423]: packet from 199.83.141.135:500: initial Main Mode message received on 192.168.1.1:500 but no connection has been authorized with policy=PSK
2014:04:08-17:02:14 portal-1 pluto[21423]: | next event EVENT_REINIT_SECRET in 3154 seconds
VPN Config from the Vyatta Firewall
IKE
proposal 1 encryption aes128
proposal 1 hash md5
proposal 1 dh-group 2
lifetime 7800
ESP
proposal 1 encryption aes256
proposal 1 hash sha1
lifetime 3600
pre-shared-secret **********
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