On Fri, 3 Jan 2003, Scott Penno wrote:

> Hi all,
>
> Wasn't sure where I should ask for help with this problem, so I'm starting
> here.  If there's a more appropriate place, please let me know.
>
> I have a FreeBSD box running -STABLE which has had IPSec working with other
> hosts for quite some time without a problem.  I've just setup another
> FreeBSD box running 5.0-RC1 and am trying to establish a VPN tunnel but am
> not getting too far.  I'm using racoon and when attempting the negotiation
> with debugging enabled, the following message appears:
> 2003-01-20 12:00:23: ERROR: pfkey.c:207:pfkey_handler(): pfkey ADD failed:
> Invalid argument
> and the following message is logged via syslog:
> Jan 20 12:00:23 atlas kernel: key_mature: invalid AH key length 160 (128-128
> allowed)
>
> The relevant section of racoon.conf which is identical on both boxes is:
> sainfo anonymous
> {
>         pfs_group 1;
>         lifetime time 86400 sec;
>         encryption_algorithm 3des ;
>         authentication_algorithm hmac_sha1 ;
>         compression_algorithm deflate ;
> }
>
> The box running -STABLE has been working fine with this configuration so I'm
> assuming the problem is with the box running 5.0-RC1.  Interestingly, I've
> also tried using des as the encryption algorithm and hmac_md5 as the
> authentication algorithm and I receive the following error message:
> racoon: failed to parse configuration file.
>
> If anyone has any suggestions for a fix, or how I go about further
> diagnosing this problem, I'd love to hear from you.


What's the result of setkey -PD on both boxes?

Sanitize the addresses of the public IPs, but leave the private IPs as is.

Dru

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