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Date:      Tue, 18 Dec 2001 13:07:09 +0100
From:      Marco Walraven <walraven@fearlabs.com>
To:        Tariq Rashid <tariq@inty.net>
Cc:        Marco Walraven <walraven@fearlabs.com>, freebsd-security@freebsd.org
Subject:   Re: isakmpd & ssh sentinel
Message-ID:  <20011218130709.A80059@enigma.whacky.net>
In-Reply-To: <MPENKFCCIIDAJKJJOLBHEEGICEAA.tariq@inty.net>; from tariq@inty.net on Tue, Dec 18, 2001 at 09:37:00AM -0000
References:  <20011217183701.B62958@enigma.whacky.net> <MPENKFCCIIDAJKJJOLBHEEGICEAA.tariq@inty.net>

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I downloaded the isakmpd sources from ftp.openbsd.org (/pub/src/sbin/isakmp)
changed the Makefile (OS = freebsd) and added the CFLAGS options.
However, on both FreeBSD 4.3 and 4.4 I get this error message, when
starting my compile with make obj && make depend && make

In file included from /usr/home/marco/test/isakmpd/sysdep/freebsd/sysdep.c:53:
/usr/home/marco/test/isakmpd/pf_key_v2.h:51: syntax error before `u_int8_t'
/usr/home/marco/test/isakmpd/pf_key_v2.h:51: warning: function declaration isn't a prototype
*** Error code 1

Any ideas ?

On Tue, Dec 18, 2001 at 09:37:00AM -0000, Tariq Rashid wrote:
> 
> 
> add the following to the Makefile...
> 
> 
> # following by TR ...
> CFLAGS+=        -DUSE_ISAKMP_CFG -DUSE_AGGRESSIVE
> 
> 
> this sets isakmpd to allow aggressive mode and also to send the config to
> the laptops
> (like a kind of dhcp where the isakmpd server tells the laptop its ip,
> gateway, nameserver, wins server etc...)
> ... have a look at:
> 
> --------------------------------------------------------
> 
> # aggressive users ...
> 
> [user-b@inty.net]
> Phase=                  1
> Transport=              udp
> Configuration=          Default-aggressive-mode
> Authentication=         secret-B
> Flags=                  Stayalive
> 
> [user-a@inty.net]
> Phase=                  1
> Transport=              udp
> Configuration=          Default-aggressive-mode
> Authentication=         secret-A
> Flags=                  Stayalive
> 
> [user-win2k@inty.net]
> Phase=                  1
> Transport=              udp
> Configuration=          Default-aggressive-mode
> Authentication=         secret-win2k
> Flags=                  Stayalive
> 
> [ufqdn/user-win2k@inty.net]
> Address=                10.10.7.33
> Netmask=                255.255.0.0
> Nameserver=             993.99.99.99
> Wins-server=		somethineg else...
> 
> 
> -------------------------------------------
> 
> which i use for pgpnet.... the first two "users" are remote isakmpd gateways
> whicvh are on dynamic ips (dialup) ... the last user is a pgpnet laptop user
> ... pgpnet has an option "acquore virtual identity" which lets it get the
> ip,gq,ns and wins ips... there may be something similar for Sentinel.
> 
> good luck!
> 
> tariq
> 
> -----Original Message-----
> From: Marco Walraven [mailto:walraven@fearlabs.com]
> Sent: 17 December 2001 17:37
> To: Tariq Rashid
> Cc: freebsd-security@freebsd.org
> Subject: Re: isakmpd & ssh sentinel
> 
> 
> On Mon, Dec 17, 2001 at 05:18:34PM -0000, Tariq Rashid wrote:
> >
> > get the latest isakmpd to fix the cup problem.
> > in fact the nice people at openbsd have made the latest isakmpd sources
> > compile with no extra patches reqd for freebsd.
> 
> Hey great, i'll try that.
> 
> > how are you using sentinel? in aggressive mode? with identification by ip
> > address or ufqd or certs?
> 
> In aggressive mode, 3DES, with pre shared authentication key. sentinel
> run's on laptops which connect to the internet from different locations.
> 
> Are certs possible ? I read that there were some issues in the way sentinel
> handles x.509v3 certs and it's CN. ?
> 
> Marco
> 
> > tariq
> >
> > -----Original Message-----
> > From: owner-freebsd-security@FreeBSD.ORG
> > [mailto:owner-freebsd-security@FreeBSD.ORG]On Behalf Of Marco Walraven
> > Sent: 17 December 2001 17:10
> > To: freebsd-security@freebsd.org
> > Subject: isakmpd & ssh sentinel
> >
> >
> > Hi,
> >
> > I'm trying to setup a VPN connection between isakmpd and a few road
> warriors
> > who run ssh sentinel. I installed isamkpd and tried some of the
> > configuration
> > files. Everytime I start isakmpd with 'isakmpd -d -DA=99' i get these
> > messages(see below). It also chokes up the CPU. Furthermore, if I try
> > to connect from a ssh sentinel client, it does not accept a connection
> > which should be normal if this was indeed an error (which I think it is).
> >
> > The kernel I use has, IPSEC compiled in it and the system also forwards
> > packets, which are needed to run isakmpd.
> >
> > However, does anyone recognize these problems or know how to fix ehm and
> > has anyone successfully established a VPN(with pre shared keys) between
> > isakmpd
> > and ssh sentinel ?  I know there are some issues between the two, but is
> > it possible in the first place, or should someone try racoon instead ?.
> >
> > Regards,
> >
> > Marco Walraven
> >
> >
> > isakmpd -d -DA=99
> > <snip>
> > 175249.982251 Misc 60 conf_get_str: [General]:Listen-on->192.168.2.1
> > 175249.982395 Misc 60 conf_get_str: [General]:Listen-on->192.168.2.1
> > 175249.982483 Misc 60 conf_get_str: [General]:Listen-on->192.168.2.1
> > 175249.982570 Trpt 70 transport_add: adding 0x8076080
> > 175249.988149 Trpt 90 transport_reference: transport 0x8076080 now has 1
> > references
> > 175249.988206 Misc 60 conf_get_str: [General]:Listen-on->192.168.2.1
> > 175250.015566 Trpt 90 transport_reference: transport 0x8076080 now has 2
> > references
> > 175250.016079 Trpt 90 transport_release: transport 0x8076080 had 2
> > references
> > 175250.016420 Trpt 90 transport_reference: transport 0x8076080 now has 2
> > referen
> > ces
> >
> > Which keeps on going.
> >
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> >
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