[Openswan Users] L2TP OS X/Windows problem

Lawrence Manning lawrence.manning at smoothwall.net
Fri Jan 15 10:37:14 EST 2010


On 15 Jan 2010, at 15:16, Paul Wouters wrote:

> On Fri, 15 Jan 2010, Lawrence Manning wrote:
>> We've come into the old rightprotoport problem documented in a few
>> places.  Basically if we change it too:
>> rightportoport=1701/0
>> The OS X client can connect, but the windows user cant.  Apparently
>> this is fixed in openswan 2.4.10 but even with 2.4.15 we still errors
>> connecting with the windows client:
> Use rightportoport=1701/%any
> You might need to grab the _updown.netkey from openswan 2.6 and use  
> that
> as _updown for 2.4.x. )or just upgrade to 2.6.24)

Now the ipsec stage completes but I get the following from xl2tpd:

xl2tpd[11856]: setsockopt recvref: Protocol not available
xl2tpd[11856]: This binary does not support kernel L2TP.
xl2tpd[11856]: xl2tpd version xl2tpd-1.1.12 started on  
smoothwall.local PID:11856
xl2tpd[11856]: Written by Mark Spencer, Copyright (C) 1998, Adtran, Inc.
xl2tpd[11856]: Forked by Scott Balmos and David Stipp, (C) 2001
xl2tpd[11856]: Inherited by Jeff McAdams, (C) 2002
xl2tpd[11856]: Forked again by Xelerance (www.xelerance.com) (C) 2006
xl2tpd[11856]: Listening on IP address, port 1701
xl2tpd[11856]: control_finish: Peer requested tunnel 14 twice,  
ignoring second one.
xl2tpd[11856]: control_finish: Peer requested tunnel 14 twice,  
ignoring second one.

I get no such problems if I use 17/1701 as rightprotoport - ipsec is  
allowed through and xl2tpd fires up the pppd.  This is all using a  
Windows XP2 client.

We are still on KLIPS here.  Any ideas what changes we need to make to  
the _updown?  Am really confused!


Lawrence Manning
Lead Developer

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