On Tue, 14 Jan 2003, Andrew Alcheev wrote:

> Hello.
>
> I have setup an IPSec tunnel between FreeBSD 4.7-stable (system
> 18.11.02)/racoon 20021120a and Windows XP Prof.
> FreeBSD acts as gateway, tunneling connections from Windows to world.
> IPSec crypts link between unix and win only.
>
> ipsec.conf:
> spdadd 0.0.0.0/0 192.168.99.10/32 any -P out ipsec
>   esp/tunnel/192.168.99.1-192.168.99.10/require;
> spdadd 192.168.99.10/32 0.0.0.0/0 any -P in ipsec
>   esp/tunnel/192.168.99.10-192.168.99.1/require;
>
>
> While other side (Windows XP) initiates connect to hosts behind the
> tunnel, all works fine.
>
> If connect arrives from other hosts before SA has been established,
> then racoon can't initiate Phase 1
>
> tcpdump output:
> 15:29:13.408122 192.168.99.1.500 > 192.168.99.10.500: isakmp: phase 1 I agg: [|sa]
> 15:29:13.409117 192.168.99.10.500 > 192.168.99.1.500: isakmp: phase 2/others R inf: 
>[|n]
>
> racoon.log:
> ...
> 2003-01-14 15:29:13: DEBUG: isakmp.c:222:isakmp_handler(): 56 bytes message received 
>from 192.168.99.10[500]
> ...
> 2003-01-14 15:29:13: DEBUG: isakmp.c:346:isakmp_main(): malformed cookie received or 
>the initiator's cookies collide.
> ...
>
> What is wrong ?


Hard to tell without a bit more information. Are you using a pre-shared
secret or digital certificates for authentication? Can you send a
sanitized copy of your racoon.conf?

Dru

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