Re: IPSec between OpenBSD and Windows XP

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02-16-2008, 08:11 AM

Tamer Fahmy

Posts: n/a

Re: IPSec between OpenBSD and Windows XP

don't know if you've resolved it already but looking closely at your
provided debug output again i noticed the following:

> 225826.750093 Plcy 40 check_policy: kn_do_query returned 0
> 225826.750248 Default check_policy: negotiated SA failed policy check

these lines usually tell that there is something fishy with your
isakmpd.policy file. either the passphrase is wrong on one side or you
didn't indent your lines after the Conditions field.

> isakmpd.policy
>
> KeyNote-version: 2
> Authorizer: "POLICY"
> Licensees: "passphrase:secret"
> Conditions: app_domain == "IPsec policy" &&
> esp_present == "yes" &&
> esp_enc_alg != "null" -> "true";

this should rather read:

KeyNote-version: 2
Authorizer: "POLICY"
Licensees: "passphrase:secret"
Conditions: app_domain == "IPsec policy" &&
esp_present == "yes" &&
esp_enc_alg != "null" -> "true";

check keynote(5) for the exact syntax.

on a related note, has anybody managed to get a l2tpd/ipsec setup
working between windows xp sp2 and openbsd 3.6 with isakmpd for a road
warrior setup?

the establishing of the tunnel already fails after Phase 1; isakmpd
sends back UNEQUAL PAYLOAD LENGTH notifications.

found something similar mentioned here:
http://www.monkey.org/openbsd/archiv.../msg02767.html
but doesn't look like it ever got resolved... *brainscratch*

cheers,
tamer.

--
robot farm: machines good, people bad!

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Re: IPSec between OpenBSD and Windows XP