Date: Mon, 2 Feb 2004 23:04:36 -0800 From: "Crist J. Clark" <cristjc@comcast.net> To: Guido van Rooij <guido@gvr.org> Cc: current@freebsd.org Subject: Re: ipsec changes in 5.2R Message-ID: <20040203070435.GB46486@blossom.cjclark.org> In-Reply-To: <20040122110929.GA767@gvr.gvr.org> References: <1074650025.701.82.camel@itouch-1011.prv.au.itouchnet.net> <20040122110929.GA767@gvr.gvr.org>
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On Thu, Jan 22, 2004 at 12:09:29PM +0100, Guido van Rooij wrote:
> On Wed, Jan 21, 2004 at 12:53:46PM +1100, Andrew Thomson wrote:
> > I'm a little guilty as I upgraded my laptop from 5.0 to 5.2. So I'm
> > guessing things have changed a bit.
> >
> > However I used to encrypt my wireless connection using IPSEC. Since the
> > upgrade, things no longer work.
> >
> > My firewall is a 4.9p1 host which is at the other end of the IPSEC VPN
> > and wireless link.
> >
> > I previously used the following ipsec.conf to get things going (these
> > are from the firewall, obviously the reverse [out/in] is applied to my
> > laptop).
> >
> > 192.168.14.2[any] 0.0.0.0/0[any] any
> > in ipsec
> > esp/tunnel/192.168.14.2-192.168.14.1/require
> > spid=5 seq=1 pid=1409
> > refcnt=1
> > 0.0.0.0/0[any] 192.168.14.2[any] any
> > out ipsec
> > esp/tunnel/192.168.14.1-192.168.14.2/require
> > spid=6 seq=0 pid=1409
> > refcnt=1
> >
> > Now when I have those setkey entries enabled on my laptop, I can't even
> > ping my own host (192.168.14.2).
> >
> > Both tcpdump and ipfw add 100 log ip from any to any shows nothing on my
> > wireless link..
> >
> > Not sure why this has now stopped working.. Any clues?
>
> I have seen the same. Somehow it looks like ISAKMP traffic, which used to
> go around the ipsec policy, is now included. The only workaround I know
> of is to replace "require" with "use".
A little late on this, but FAST_IPSEC rather than KAME IPsec will fix
the problem.
--
Crist J. Clark | cjclark@alum.mit.edu
| cjclark@jhu.edu
http://people.freebsd.org/~cjc/ | cjc@freebsd.org
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