[Openswan Users] Multiple connection problems

[Oliver Tomkins]

Thanks for the response! much appreciated.

> What about /var/log/secure on the Openswan box? Are there any error
> messages? 

The log looks fairly normal. We see the certificate exchange and traffic 
across the ipsec interface.  No error messages as far as I can tell.

Jun 24 09:46:01 mini pluto[9882]: packet from XXX.XXX.XX.XXX:500: 
ignoring Vendor ID payload [MS NT5 ISAKMPOAKLEY 00000002]
Jun 24 09:46:01 mini pluto[9882]: packet from XXX.XXX.XX.XXX:500: 
ignoring Vendor ID payload [FRAGMENTATION]
Jun 24 09:46:01 mini pluto[9882]: packet from XXX.XXX.XX.XXX:500: 
received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n]
  meth=106, but port floating is off
Jun 24 09:46:01 mini pluto[9882]: "vpn"[43] XXX.XXX.XX.XXX #43: 
responding to Main Mode from unknown peer XXX.XXX.XX.XXX
Jun 24 09:46:01 mini pluto[9882]: "vpn"[43] XXX.XXX.XX.XXX #43: 
transition from state STATE_MAIN_R0 to state STATE_MAIN_R1
Jun 24 09:46:01 mini pluto[9882]: "vpn"[43] XXX.XXX.XX.XXX #43: 
transition from state STATE_MAIN_R1 to state STATE_MAIN_R2
Jun 24 09:46:02 mini pluto[9882]: "vpn"[43] XXX.XXX.XX.XXX #43: Main 
mode peer ID is ID_DER_ASN1_DN: 'C=GB, L=Glasgow, O=Allie
d Vehicles Ltd, OU=Information Technology Dept, 
CN=exige.alliedvehicles.co.uk, E=it at alliedvehicles.co.uk'
Jun 24 09:46:02 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: deleting 
connection "vpn" instance with peer XXX.XXX.XX.XXX {i
sakmp=#0/ipsec=#0}
Jun 24 09:46:02 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: I am 
sending my cert
Jun 24 09:46:02 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: 
transition from state STATE_MAIN_R2 to state STATE_MAIN_R3
Jun 24 09:46:02 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: sent 
MR3, ISAKMP SA established
Jun 24 09:46:03 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: 
retransmitting in response to duplicate packet; already STATE_
MAIN_R3
Jun 24 09:46:03 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #44: 
responding to Quick Mode
Jun 24 09:46:03 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #44: 
transition from state STATE_QUICK_R0 to state STATE_QUICK_R1
Jun 24 09:46:03 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #44: 
transition from state STATE_QUICK_R1 to state STATE_QUICK_R2
Jun 24 09:46:03 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #44: IPsec SA 
established {ESP=>0x08859f71 <0x5a4cafed}
Jun 24 09:46:39 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: received 
Delete SA(0x08859f71) payload: deleting IPSEC State #
44
Jun 24 09:46:39 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: received 
and ignored informational message
Jun 24 09:46:39 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX #43: received 
Delete SA payload: deleting ISAKMP State #43
Jun 24 09:46:39 mini pluto[9882]: "vpn"[44] XXX.XXX.XX.XXX: deleting 
connection "vpn" instance with peer XXX.XXX.XX.XXX {isakm
p=#0/ipsec=#0}
Jun 24 09:46:39 mini pluto[9882]: packet from XXX.XXX.XX.XXX:500: 
received and ignored informational message

 > Can you post your ipsec.conf? Are you using separate
 > connection sections for your clients?

ipsec.conf

# basic configuration
config setup

# Add connections here
conn vpn
                 type=transport
                 pfs=no
                 compress=yes
                 auto=add
                 left=%defaultroute
                 leftrsasigkey=%cert
                 leftcert=ipsec.domain.co.uk.pem
                 leftprotoport=17/1701
                 right=%any
                 rightrsasigkey=%cert
                 rightprotoport=17/1701

include /etc/ipsec.d/examples/no_oe.conf

Only one connection for both clients - is this a problem?

> Is that firewall doing NAT, by any chance? Multiple clients behind
> the same NAT router are currently not supported.
> 

The firewall is not not doing NAT.

Thanks,

Olly.

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