Hi,

As a way of providing VPN access for our iPhone-using staff, I've followed
the nice recipe provided here:

http://blog.dest-unreach.be/2011/03/03/iphone-compatible-ipsec-vpn-on-an-ubuntu-server-with-ldap-authentication/

Aside from using standard auth rather than ldap, that's the config we're
using.

Now, I'd like to have the Shrew client as another option to connect to that.
But I can't get Phase 1 to work. It fails like this:

Jan 19 10:12:55 boxname racoon: ERROR: rejected authmethod: 
DB(prop#1:trns#1):Peer(prop#1:trns#1) = XAuth pskey server:GSS-API on Kerberos 5
Jan 19 10:12:55 boxname racoon: ERROR: rejected authmethod: 
DB(prop#1:trns#1):Peer(prop#1:trns#2) = XAuth pskey server:GSS-API on Kerberos 5
Jan 19 10:12:55 boxname racoon: ERROR: rejected authmethod: 
DB(prop#1:trns#1):Peer(prop#1:trns#3) = XAuth pskey server:GSS-API on Kerberos 5
Jan 19 10:12:55 boxname racoon: ERROR: no suitable proposal found.
Jan 19 10:12:55 boxname racoon: ERROR: failed to get valid proposal.
Jan 19 10:12:55 boxname racoon: ERROR: failed to pre-process packet.
Jan 19 10:12:55 boxname racoon: ERROR: phase1 negotiation failed.

I have Shrew's Phase 1 set for agressive, group 2, aes, auto, sha1, and the
Authentication Method set to "Mutual PSK + XAuth," would seem to match racoon's 
settings:

remote anonymous { 
tunnel
 passive on; 
 exchange_mode main,aggressive; 
 my_identifier fqdn "something.obfuscated.com";
 mode_cfg on; 
 verify_cert off; 
 ike_frag on; 
 generate_policy on; 
 nat_traversal on;
 dpd_delay 20;
 proposal {
  encryption_algorithm aes;
  hash_algorithm sha1;
  authentication_method xauth_psk_server;
  dh_group 2;
 }
}

I've tried both the latest Linux Shrew, and the stable Windows version, and
both get a similar string of "rejected" responses from racoon. Is Shrew's
"Mutual PSK + XAuth" the equivalent of "xauth_psk_client" rather than
"xauth_psk_server" on the racoon side? I have no idea what the difference
between those two is, but prefer not to alter something that's working for
the primary audience, the iPhone users. 

Whit


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