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<A NAME="interop"></A>
<H1><A NAME="10">Interoperating with FreeS/WAN</A></H1>
<P>The FreeS/WAN project needs you! We rely on the user community to
 keep up to date. Mail users@lists.freeswan.org with your interop
 success stories.</P>
<P><STRONG>Please note</STRONG>: Most of our interop examples feature
 Linux FreeS/WAN 1.x config files. You can convert them to 2.x files
 fairly easily with the patch in our<A HREF="upgrading.html#ipsec.conf_v2">
 Upgrading Guide</A>.</P>
<H2><A NAME="10_1">Interop at a Glance</A></H2>
<TABLE BORDER="1">
<TR><TD>&nbsp;</TD><TD colspan="5">FreeS/WAN VPN</TD><TD>Road Warrior</TD><TD>
OE</TD></TR>
<TR><TD>&nbsp;</TD><TD>PSK</TD><TD>RSA Secret</TD><TD>X.509
<BR><SMALL><A HREF="#interoprules">(requires patch)</A></SMALL></TD><TD>
NAT-Traversal
<BR><SMALL><A HREF="#interoprules">(requires patch)</A></SMALL></TD><TD>
Manual
<BR>Keying</TD><TD>&nbsp;</TD><TD>&nbsp;</TD></TR>
<TR><TD colspan="8">More Compatible</TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="web.html#freeswan">FreeS/WAN</A><A NAME="freeswan.top">
 &nbsp;</A></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#isakmpd">isakmpd (OpenBSD)</A><A NAME="isakmpd.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>
<FONT color="#cc0000">No&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#kame">Kame (FreeBSD,
<BR> NetBSD, MacOSX)
<BR> <SMALL>aka racoon</SMALL></A><A NAME="kame.top"> &nbsp;</A></TD><TD><FONT
color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#mcafee">McAfee VPN
<BR><SMALL>was PGPNet</SMALL></A><A NAME="mcafee.top"> &nbsp;</A></TD><TD><FONT
color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#microsoft">Microsoft
<BR> Windows 2000/XP</A><A NAME="microsoft.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#cc0000">
No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="glossary.html#ssh">SSH Sentinel</A><A NAME="ssh.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>&nbsp;</TD><TD><FONT
color="#00cc00">Yes</FONT></TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#safenet">Safenet SoftPK
<BR>/SoftRemote</A><A NAME="safenet.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#cc0000">
No</FONT></TD></TR>
<TR><TD colspan="8">Other</TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#6wind">6Wind</A><A NAME="6wind.top"> &nbsp;</A></TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
<FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#alcatel">Alcatel Timestep</A><A NAME="alcatel.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#apple">Apple Macintosh
<BR>System 10+</A><A NAME="apple.top"> &nbsp;</A></TD><TD><FONT color="#cccc00">
Maybe</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#cccc00">
Maybe</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#ashleylaurent">AshleyLaurent
<BR> VPCom</A><A NAME="ashleylaurent.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT
color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#borderware">Borderware</A><A NAME="borderware.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD><TD><FONT color="#cc0000">
No</FONT></TD></TR>

<!--
http://www.cequrux.com/vpn-guides.php3
"coming soon" guide to connect with FreeS/WAN.
-->

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#checkpoint">Check Point FW-1/VPN-1</A><A NAME="checkpoint.top">
 &nbsp;</A></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>
<FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#cisco">Cisco with 3DES</A><A NAME="cisco.top"> &nbsp;</A></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#cccc00">Maybe</FONT>
</TD><TD>&nbsp;</TD><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#equinux">Equinux VPN Tracker
<BR> (for Mac OS X)</A><A NAME="equinux.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#fsecure">F-Secure</A><A NAME="fsecure.top"> &nbsp;</A></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cccc00">
Maybe</FONT></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#gauntlet">Gauntlet GVPN</A><A NAME="gauntlet.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">
No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#aix">IBM AIX</A><A NAME="aix.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>
&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#as400">IBM AS/400</A><A NAME="as400"> &nbsp;</A></TD><TD><FONT
color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#intel">Intel Shiva
<BR>LANRover/Net Structure</A><A NAME="intel.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT
color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#lancom">LanCom (formerly ELSA)</A><A NAME="lancom.top">
 &nbsp;</A></TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#linksys">Linksys</A><A NAME="linksys.top"> &nbsp;</A></TD><TD>
<FONT color="#cccc00">Maybe</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">
No</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>
<FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#lucent">Lucent</A><A NAME="lucent.top"> &nbsp;</A></TD><TD><FONT
color="#cccc00">Partial</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#netasq">Netasq</A><A NAME="netasq.top"> &nbsp;</A></TD><TD>
&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#netcelo">netcelo</A><A NAME="netcelo.top"> &nbsp;</A></TD><TD>
&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#netgear">Netgear fvs318</A><A NAME="netgear.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#netscreen">Netscreen 100
<BR>or 5xp</A><A NAME="netscreen.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cccc00">
Maybe</FONT></TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#nortel">Nortel Contivity</A><A NAME="nortel.top"> &nbsp;</A>
</TD><TD><FONT color="#cccc00">Partial</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#radguard">RadGuard</A><A NAME="radguard.top"> &nbsp;</A></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#raptor">Raptor</A><A NAME="raptor"> &nbsp;</A></TD><TD><FONT
color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#redcreek">Redcreek Ravlin</A><A NAME="redcreek.top"> &nbsp;</A>
</TD><TD><FONT color="#00cc00">Yes</FONT><FONT color="#cccc00">/Partial</FONT>
</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">
No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#sonicwall">SonicWall</A><A NAME="sonicwall.top"> &nbsp;</A></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT
color="#cccc00">Maybe</FONT></TD><TD><FONT color="#cc0000">No</FONT></TD><TD>
<FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#sun">Sun Solaris</A><A NAME="sun.top"> &nbsp;</A></TD><TD><FONT
color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT>
</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT
color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#symantec">Symantec</A><A NAME="symantec.top"> &nbsp;</A></TD><TD>
<FONT color="#00cc00">Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>
&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#watchguard">Watchguard
<BR> Firebox</A><A NAME="watchguard.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD><FONT color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#xedia">Xedia Access Point
<BR>/QVPN</A><A NAME="xedia.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT
color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
<TR><TD><A HREF="#zyxel">Zyxel Zywall
<BR>/Prestige</A><A NAME="zyxel.top"> &nbsp;</A></TD><TD><FONT color="#00cc00">
Yes</FONT></TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD><FONT
color="#cc0000">No</FONT></TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE


<TR>
<TD><A HREF="#sample">sample</A></TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
<TD><FONT color="#cc0000">No</FONT></TD>
</TR>

-->
<TR><TD>&nbsp;</TD><TD>PSK</TD><TD>RSA Secret</TD><TD>X.509
<BR><SMALL><A HREF="#interoprules">(requires patch)</A></SMALL></TD><TD>
NAT-Traversal
<BR><SMALL><A HREF="#interoprules">(requires patch)</A></SMALL></TD><TD>
Manual
<BR>Keying</TD><TD>&nbsp;</TD><TD>&nbsp;</TD></TR>
<TR><TD>&nbsp;</TD><TD colspan="5">FreeS/WAN VPN</TD><TD>Road Warrior</TD><TD>
OE</TD></TR>

<!-- PSK  RSA  X.509  NAT-T  Manual  RW  OE -->
</TABLE>
<H3><A NAME="10_1_1">Key</A></H3>
<TABLE BORDER="1">
<TR><TD><FONT color="#00cc00">Yes</FONT></TD><TD>People report that this
 works for them.</TD></TR>
<TR><TD>[Blank]</TD><TD>We don't know.</TD></TR>
<TR><TD><FONT color="#cc0000">No</FONT></TD><TD>We have reason to
 believe it was, at some point, not possible to get this to work.</TD></TR>
<TR><TD><FONT color="#cccc00">Partial</FONT></TD><TD>Partial success.
 For example, a connection can be created from one end only.</TD></TR>
<TR><TD><FONT color="#00cc00">Yes</FONT><FONT color="#cccc00">/Partial</FONT>
</TD><TD>Mixed reports.</TD></TR>
<TR><TD><FONT color="#cccc00">Maybe</FONT></TD><TD>We think the answer
 is &quot;yes&quot;, but need confirmation.</TD></TR>
</TABLE>
<A NAME="interoprules"></A>
<H2><A NAME="10_2">Basic Interop Rules</A></H2>
<P>Vanilla FreeS/WAN implements<A HREF="compat.html#compat"> these parts</A>
 of the IPSec specifications. You can add more with<A HREF="http://www.freeswan.ca">
 Super FreeS/WAN</A>, but what we offer may be enough for many users.</P>
<UL>
<LI> To use X.509 certificates with FreeS/WAN, you will need the<A HREF="http://www.strongsec.org/freeswan">
 X.509 patch</A> or<A HREF="http://www.freeswan.ca"> Super FreeS/WAN</A>
, which includes that patch.</LI>
<LI> To use<A HREF="glossary.html#NAT.gloss"> Network Address
 Translation</A> (NAT) traversal with FreeS/WAN, you will need Arkoon
 Network Security's<A HREF="http://open-source.arkoon.net"> NAT
 traversal patch</A> or<A HREF="http://www.freeswan.ca"> Super FreeS/WAN</A>
, which includes it.</LI>
</UL>
<P>We offer a set of proposals which is not user-adjustable, but covers
 all combinations that we can offer. FreeS/WAN always proposes triple
 DES encryption and Perfect Forward Secrecy (PFS). In addition, we
 propose Diffie Hellman groups 5 and 2 (in that order), and MD5 and
 SHA-1 hashes. We accept the same proposals, in the same order of
 preference.</P>
<P>Other interop notes:</P>
<UL>
<LI> A<A HREF="http://lists.freeswan.org/archives/users/2003-September/msg00462.html">
 SHA-1 bug in FreeS/WAN 2.00, 2.01 and 2.02</A> may affect some interop
 scenarios. It does not affect 1.x versions, and is fixed in 2.03 and
 later.</LI>
<LI> Some other implementations will close a connection with FreeS/WAN
 after some time. This may be a problem with rekey lifetimes. Please see<A
HREF="http://lists.freeswan.org/archives/users/2003-October/msg00293.html">
 this tip</A> and<A HREF="http://lists.freeswan.org/pipermail/users/2001-December/005758.html">
 this workaround</A>.</LI>
</UL>
<H2><A NAME="10_3">Longer Stories</A></H2>
<H3><A NAME="10_3_1">For<EM> More Compatible</EM> Implementations</A></H3>
<H4><A NAME="freeswan">FreeS/WAN</A></H4>
<P> See our documentation at<A HREF="http://www.freeswan.org">
 freeswan.org</A> and the Super FreeS/WAN docs at<A HREF="http://www.freeswan.ca">
 freeswan.ca</A>. Some user-written HOWTOs for FreeS/WAN-FreeS/WAN
 connections are listed in<A HREF="intro.html#howto"> our Introduction</A>
.</P>
<P>See also:</P>
<UL>
<LI><A HREF="http://lugbe.ch/action/reports/ipsec_htbe.phtml"> A German
 FreeS/WAN-FreeS/WAN page by Markus Wernig (X.509)</A></LI>
</UL>
<P><A HREF="#freeswan.top">Back to chart</A></P>
<H4><A NAME="isakmpd">isakmpd (OpenBSD)</A></H4>
<P><A HREF="http://www.openbsd.org/faq/faq13.html">OpenBSD FAQ: Using
 IPsec</A>
<BR><A HREF="http://www.rommel.stw.uni-erlangen.de/~hshoexer/ipsec-howto/HOWTO.html">
 Hans-Joerg Hoexer's interop Linux-OpenBSD (PSK)</A>
<BR><A HREF="http://www.segfault.net/ipsec/"> Skyper's configuration
 (PSK)</A>
<BR><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with configs (X.509)</A></P>
<P><A HREF="#isakmpd.top">Back to chart</A></P>
<H4><A NAME="kame">Kame</A></H4>
<UL>
<LI>For FreeBSD and NetBSD. Ships with Mac OS X; see also our<A HREF="#apple">
 Mac</A> section.</LI>
<LI>Also known as<EM> racoon</EM>, its keying daemon.</LI>
</UL>
<P><A HREF="http://www.kame.net">Kame homepage, with FAQ</A>
<BR><A HREF="http://www.netbsd.org/Documentation/network/ipsec">
 NetBSD's IPSec FAQ</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/12/msg00560.html">
 Ghislaine's post explaining some interop peculiarities</A></P>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/09/msg00511.html">
 Itojun's Kame-FreeS/WAN interop tips (PSK)</A>
<BR><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2000"> Ghislaine
 Labouret's French page with links to matching FreeS/WAN and Kame
 configs (RSA)</A>
<BR><A HREF="http://lugbe.ch/lostfound/contrib/freebsd_router/"> Markus
 Wernig's HOWTO (X.509, BSD gateway)</A>
<BR><A HREF="http://web.morgul.net/~frodo/docs/kame+freeswan_interop.html">
 Frodo's Kame-FreeS/WAN interop (X.509)</A>
<BR><A HREF="http://www.wavesec.org/kame.phtml"> Kame as a WAVEsec
 client.</A></P>
<P><A HREF="#kame.top">Back to chart</A></P>
<H4><A NAME="mcafee">PGPNet/McAfee</A></H4>
<P></P>
<UL>
<LI>Now called McAfee VPN Client.</LI>
<LI>PGPNet also came in a freeware version which did not support subnets</LI>
<LI>To support dhcp-over-ipsec, you need the X.509 patch, which is
 included in<A HREF="http://www.freeswan.ca"> Super FreeS/WAN</A>.</LI>
</UL>
<P><A HREF="http://www.freeswan.ca/docs/WindowsInterop"> Tim Carr's
 Windows Interop Guide (X.509)</A>
<BR><A HREF="http://www.rommel.stw.uni-erlangen.de/~hshoexer/ipsec-howto/HOWTO.html#Interop2">
 Hans-Joerg Hoexer's Guide for Linux-PGPNet (PSK)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/04/msg00339.html">
 Kai Martius' instructions using RSA Key-Extractor Tool (RSA)</A>
<BR> &nbsp;&nbsp;&nbsp;&nbsp;<A HREF="http://www.zengl.net/freeswan/english.html">Christian
 Zeng's page (RSA)</A> based on Kai's work. English or German.
<BR><A HREF="http://tirnanog.ls.fi.upm.es/CriptoLab/Biblioteca/InfTech/InfTech_CriptoLab.htm">
 Oscar Delgado's PDF (X.509, no configs)</A>
<BR><A HREF="http://www-ec.njit.edu/~rxt1077/Howto.txt"> Ryan's HOWTO
 for FreeS/WAN-PGPNet (X.509)</A>. Through a Linksys Router with IPsec
 Passthru enabled.
<BR><A HREF="http://jixen.tripod.com/#RW-PGP-to-Fwan"> Jean-Francois
 Nadeau's Practical Configuration (Road Warrior with PSK)</A>
<BR><A HREF="http://www.evolvedatacom.nl/freeswan.html#toc"> Wouter
 Prins' HOWTO (Road Warrior with X.509)</A>
<BR></P>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/01/msg00271.html">
 Rekeying problem with FreeS/WAN and older PGPNets</A>
<BR></P>
<P><A HREF="http://www.strongsec.com/freeswan/dhcprelay/index.htm"> DHCP
 over IPSEC HOWTO for FreeS/WAN (requires X.509 and dhcprelay patches)</A>
</P>
<P><A HREF="#mcafee.top">Back to chart</A></P>
<H4><A NAME="microsoft">Microsoft Windows 2000/XP</A></H4>
<UL>
<LI>IPsec comes with Win2k, and with XP Support Tools. May require<A HREF="http://www.microsoft.com/windows2000/downloads/recommended/encryption/default.asp">
 High Encryption Pack</A>. WinXP users have also reported better results
 with Service Pack 1.</LI>
<LI>The Road Warrior setup works either way round. Windows (XP or 2K)
 IPsec can connect as a Road Warrior to FreeS/WAN. However, FreeS/WAN
 can also successfully connect as a Road Warrior to Windows IPsec (see
 Nate Carlson's configs below).</LI>
<LI>FreeS/WAN version 1.92 or later is required to avoid an
 interoperation problem with Windows native IPsec. Earlier FreeS/WAN
 versions did not process the Commit Bit as Windows native IPsec
 expected.</LI>
</UL>
<P><A HREF="http://www.freeswan.ca/docs/WindowsInterop"> Tim Carr's
 Windows Interop Guide (X.509)</A>
<BR><A HREF="http://ipsec.math.ucla.edu/services/ipsec.html"> James
 Carter's instructions (X.509, NAT-T)</A>
<BR><A HREF="http://jixen.tripod.com/#Win2000-Fwan"> Jean-Francois
 Nadeau's Net-net Configuration (PSK)</A>
<BR><A HREF="http://security.nta.no/freeswan-w2k.html"> Telenor's
 Node-node Config (Transport-mode PSK)</A>
<BR><A HREF="http://vpn.ebootis.de"> Marcus Mueller's HOWTO using his
 VPN config tool (X.509).</A> Tool also works with PSK.
<BR><A HREF="http://www.natecarlson.com/include/showpage.php?cat=linux&page=ipsec-x509">
 Nate Carlson's HOWTO using same tool (Road Warrior with X.509)</A>.
 Unusually, FreeS/WAN is the Road Warrior here.
<BR><A HREF="http://tirnanog.ls.fi.upm.es/CriptoLab/Biblioteca/InfTech/InfTech_CriptoLab.htm">
 Oscar Delgado's PDF (X.509, no configs)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2003-July/022425.html">
 Tim Scannell's Windows XP Additional Checklist (X.509)</A>
<BR></P>

<!-- Note to self: Include L2TP references? -->
<P><A HREF="http://www.microsoft.com/windows2000/en/server/help/default.asp?url=/windows2000/en/server/help/sag_TCPIP_ovr_secfeatures.htm">
 Microsoft's page on Win2k TCP/IP security features</A>
<BR><A HREF="http://support.microsoft.com/support/kb/articles/Q257/2/25.ASP">
 Microsoft's Win2k IPsec debugging tips</A>
<BR>
<!-- Alt-URL http://support.microsoft.com/default.aspx?scid=kb;EN-US;q257225
Perhaps newer? -->
<A HREF="http://www.wired.com/news/technology/0,1282,36336,00.html">
 MS VPN may fall back to 1DES</A></P>
<P><A HREF="#microsoft.top">Back to chart</A></P>
<H4><A NAME="ssh">SSH Sentinel</A></H4>
<UL>
<LI>Popular and well tested.</LI>
<LI>Also rebranded in<A HREF="http://www.zyxel.com"> Zyxel Zywall</A>.
 Our Zyxel interop notes are<A HREF="#zyxel"> here</A>.</LI>
<LI> SSH supports IPsec-over-UDP NAT traversal.</LI>
<LI>There is this<A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/12/msg00370.html">
 potential problem</A> if you're not using the Legacy Proposal option.</LI>
</UL>
<P><A HREF="http://www.ssh.com/support/sentinel/documents.cfm"> SSH's
 Sentinel-FreeSWAN interop PDF (X.509)</A>
<BR><A HREF="http://www.nadmm.com/show.php?story=articles/vpn.inc">
 Nadeem Hassan's SUSE-to-Sentinel article (Road warrior with X.509)</A>
<BR><A HREF="http://www.zerozone.it/documents/Linux/HowTo/VPN-IPsec-Freeswan-HOWTO.html">
 O-Zone's Italian HOWTO (Road Warrior, X.509, DHCP)</A>
<BR></P>
<P><A HREF="#ssh.top">Back to chart</A></P>
<H4><A NAME="safenet">Safenet SoftPK/SoftRemote</A></H4>
<UL>
<LI>People recommend SafeNet as a low cost Windows client.</LI>
<LI>SoftRemote seems to be the newer name for SoftPK.</LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2001-November/005061.html">
 Whit Blauvelt's SoftRemote tips</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-October/015591.html">
 Tim Wilson's tips (X.509)</A><A HREF="http://lists.freeswan.org/archives/users/2003-October/msg00607.html">
 Workaround for a &quot;gotcha&quot;</A></P>
<P><A HREF="http://jixen.tripod.com/#Rw-IRE-to-Fwan"> Jean-Francois
 Nadeau's Practical Configuration (Road Warrior with PSK)</A>
<BR><A HREF="http://www.terradoncommunications.com/security/whitepapers/safe_net-to-free_swan.pdf">
 Terradon Communications' PDF (Road Warrior with PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-October/?????.html">
 Seaan.net's PDF (Road Warrior to Subnet, with PSK)</A>
<BR><A HREF="http://www.redbaronconsulting.com/freeswan/fswansafenet.pdf">
 Red Baron Consulting's PDF (Road Warrior with X.509)</A></P>
<P><A HREF="#safenet.top">Back to chart</A></P>
<H3><A NAME="10_3_2">For<EM> Other Implementations</EM></A></H3>
<H4><A NAME="6wind">6Wind</A></H4>
<P><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with configs (X.509)</A></P>
<P><A HREF="#6wind.top">Back to chart</A></P>
<H4><A NAME="alcatel">Alcatel Timestep</A></H4>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-June/011878.html">
 Alain Sabban's settings (PSK or PSK road warrior; through static NAT)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/1999/06/msg00100.html">
 Derick Cassidy's configs (PSK)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/1999/08/msg00194.html">
 David Kerry's Timestep settings (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-August/013711.html">
 Kevin Gerbracht's ipsec.conf (X.509)</A></P>
<P><A HREF="#alcatel.top">Back to chart</A></P>
<H4><A NAME="apple">Apple Macintosh System 10+</A></H4>
<UL>
<LI>Since the system is based on FreeBSD, this should interoperate<A HREF="#kame">
 just like FreeBSD</A>.</LI>
<LI> To use Appletalk over IPsec tunnels,<A HREF="http://lists.freeswan.org/pipermail/users/2001-November/005116.html">
 run it over TCP/IP</A>, or use Open Door Networks' Shareway IP tool,<A HREF="http://lists.freeswan.org/pipermail/users/2001-November/005426.html">
 described here.</A></LI>
<LI>See also the<A HREF="#equinux"> Equinux VPN Tracker</A> for Mac OS
 X.</LI>
</UL>
<P><A HREF="http://ipsec.math.ucla.edu/services/ipsec.html"> James
 Carter's instructions (X.509, NAT-T)</A></P>
<P><A HREF="#apple.top">Back to chart</A></P>
<H4><A NAME="ashleylaurent">AshleyLaurent VPCom</A></H4>
<P><A HREF="http://www.ashleylaurent.com/newsletter/01-28-00.htm">
 Successful interop report, no details</A></P>
<P><A HREF="#ashleylaurent.top">Back to chart</A></P>
<H4><A NAME="borderware">Borderware</A></H4>
<UL>
<LI>I suspect the Borderware client is a rebranded Safenet. If that's
 true, our<A HREF="#safenet"> Safenet section</A> will help.</LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-March/008288.html">
 Philip Reetz' configs (PSK)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/09/msg00217.html">
 Borderware server does not support FreeS/WAN road warriors</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-February/007733.html">
 Older Borderware may not support Diffie Hellman groups 2, 5</A>
<BR></P>
<P><A HREF="#borderware.top">Back to chart</A></P>
<H4><A NAME="checkpoint">Check Point VPN-1 or FW-1</A></H4>
<UL>
<LI><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/02/msg00099.html">
 Caveat about IP-range inclusion on Check Point.</A></LI>
<LI> Some versions of Check Point may require an aggressive mode patch
 to interoperate with FreeS/WAN.
<BR><A HREF="http://www.freeswan.ca/code/super-freeswan"> Super
 FreeS/WAN</A> now features this patch.
<!--
<A HREF="http://www.freeswan.ca/patches/aggressivemode">Steve Harvey's 
aggressive mode patch for FreeS/WAN 1.5</A>
-->
</LI>
<LI></LI>
<LI>A Linux FreeS/WAN-Checkpoint connection may close after some time.
 Try<A HREF="http://lists.freeswan.org/archives/users/2003-October/msg00293.html">
 this tip</A> toward a workaround.</LI>
</UL>
<P><A HREF="http://www.fw-1.de/aerasec/ng/vpn-freeswan/CPNG+Linux-FreeSWAN.html">
 AERAsec's Firewall-1 NG site (PSK, X.509, Road Warrior with X.509,
 other algorithms)</A>
<BR> &nbsp;&nbsp;&nbsp;&nbsp;<A HREF="http://www.fw-1.de/aerasec/ng/vpn-freeswan/CPNG+Linux-FreeSWAN.html#support-matrix">
 AERAsec's detailed Check Point-FreeS/WAN support matrix</A>
<BR><A HREF="http://support.checkpoint.com/kb/docs/public/firewall1/4_1/pdf/fw-linuxvpn.pdf">
 Checkpoint.com PDF: Linux as a VPN Client to FW-1 (PSK)</A>
<BR><A HREF="http://www.phoneboy.com"> PhoneBoy's Check Point FAQ (on
 Check Point only, not FreeS/WAN)</A>
<BR></P>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2001-August/002351.html">
 Chris Harwell's tips &amp;FreeS/WAN configs (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-April/009362.html">
 Daniel Tombeil's configs (PSK)</A></P>
<P><A HREF="#checkpoint.top">Back to chart</A></P>
<H4><A NAME="cisco">Cisco</A></H4>
<UL>
<LI> Cisco supports IPsec-over-UDP NAT traversal.</LI>
<LI>Cisco VPN Client appears to use nonstandard IPsec and does not work
 with FreeS/WAN.<A HREF="https://mj2.freeswan.org/archives/2003-August/maillist.html">
 This message</A> concerns Cisco VPN Client 4.01.
<!-- fix link -->
</LI>
<LI>A Linux FreeS/WAN-Cisco connection may close after some time.<A HREF="http://lists.freeswan.org/pipermail/users/2001-December/005758.html">
 Here</A> is a workaround, and<A HREF="http://lists.freeswan.org/archives/users/2003-October/msg00293.html">
 here</A> is another comment on the same subject.</LI>
<LI><A HREF="http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120t/120t2/3desips.htm">
Older Ciscos</A> purchased outside the United States may not have 3DES,
 which FreeS/WAN requires.</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2001-June/000406.html">
RSA keying may not be possible between Cisco and FreeS/WAN.</A></LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2001-October/004357.html">
In ipsec.conf, VPN3000 DN (distinguished name) must be in binary (X.509
 only)</A></LI>
</UL>
<P><A HREF="http://rr.sans.org/encryption/cisco_router.php"> SANS
 Institute HOWTO (PSK).</A> Detailed, with extensive references.
<BR><A HREF="http://www.worldbank.ro/IPSEC/cisco-linux.txt"> Short HOWTO
 (PSK)</A>
<BR><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with configs for Cisco IOS, PIX and VPN 3000 (X.509)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2001-August/002966.html">
 Dave McFerren's sample configs (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2001-September/003422.html">
 Wolfgang Tremmel's sample configs (PSK road warrior)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/11/msg00578.html">
 Old doc from Pete Davis, with William Watson's updated Tips (PSK)</A>
<BR></P>
<P><STRONG>Some PIX specific information:</STRONG>
<BR><A HREF="http://www.wlug.org.nz/FreeSwanToCiscoPix"> Waikato Linux
 Users' Group HOWTO. Nice detail (PSK)</A>
<BR><A HREF="http://www.johnleach.co.uk/documents/freeswan-pix/freeswan-pix.html">
 John Leach's configs (PSK)</A>
<BR><A HREF="http://www.diverdown.cc/vpn/freeswanpix.html"> Greg
 Robinson's settings (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-February/007901.html">
 Scott's ipsec.conf for PIX (PSK, FreeS/WAN side only)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2001-October/003949.html">
 Rick Trimble's PIX and FreeS/WAN settings (PSK)</A>
<BR></P>
<P><A href="http://www.cisco.com/public/support/tac"> Cisco VPN support
 page</A>
<BR><A href="http://www.ieng.com/warp/public/707/index.shtml#ipsec">
 Cisco IPsec information page</A></P>
<P><A HREF="#cisco.top">Back to chart</A></P>
<H4><A NAME="equinux">Equinux VPN tracker (for Mac OS X)</A></H4>
<UL>
<LI>Graphical configurator for Mac OS X IPsec. May be an interface to
 the<A HREF="#apple"> native Mac OS X IPsec</A>, which is essentially<A HREF="#kame">
 KAME</A>.</LI>
<LI>To use Appletalk over IPsec tunnels,<A HREF="http://lists.freeswan.org/pipermail/users/2001-November/005116.html">
 run it over TCP/IP</A>, or use Open Door Networks' Shareway IP tool,<A HREF="http://lists.freeswan.org/pipermail/users/2001-November/005426.html">
 described here.</A></LI>
</UL>
<P> Equinux provides<A HREF="http://www.equinux.com/download/HowTo_FreeSWAN.pdf">
 this excellent interop PDF</A> (PSK, RSA, X.509).</P>
<P><A HREF="#equinux.top">Back to chart</A></P>
<H4><A NAME="fsecure">F-Secure</A></H4>
<UL>
<LI>
<!-- <A HREF="http://lists.freeswan.org/pipermail/users/2002-February/007596.html"> -->
 F-Secure supports IPsec-over-UDP NAT traversal.</LI>
</UL>
<P><A HREF="http://www.pingworks.de/tech/vpn/vpn.txt">pingworks.de's
 &quot;Connecting F-Secure's VPN+ to Linux FreeS/WAN&quot; (PSK road warrior)</A>
<BR> &nbsp;&nbsp;&nbsp;&nbsp;<A HREF="http://www.pingworks.de/tech/vpn/vpn.pdf">Same thing
 as PDF</A>
<BR><A HREF="http://www.exim.org/pipermail/linux-ipsec/Week-of-Mon-20010122/000061.html">
 Success report, no detail (PSK)</A>
<BR><A HREF="http://www.exim.org/pipermail/linux-ipsec/Week-of-Mon-20010122/000041.html">
 Success report, no detail (Manual)</A></P>

<!-- Other NAT traversers:
http://lists.freeswan.org/pipermail/users/2002-April/009136.html
and ssh sentinel:
http://lists.freeswan.org/pipermail/users/2001-September/003108.html
-->
<P><A HREF="#fsecure.top">Back to chart</A></P>
<H4><A NAME="gauntlet">Gauntlet GVPN</A></H4>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/11/msg00535.html">
 Richard Reiner's ipsec.conf (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-June/011434.html">
 Might work without that pesky firewall... (PSK)</A>
<BR>
<!-- insert archive link -->
 In late July, 2003 Alexandar Antik reported success interoperating
 with Gauntlet 6.0 for Solaris (X.509). Unfortunately the message is not
 properly archived at this time.</P>
<P><A HREF="#gauntlet.top">Back to chart</A></P>
<H4><A NAME="aix">IBM AIX</A></H4>
<P><A HREF="http://www-1.ibm.com/servers/esdd/articles/security.html">
 IBM's &quot;Built-In Network Security with AIX&quot; (PSK, X.509)</A>
<BR><A HREF="http://www-1.ibm.com/servers/aix/products/ibmsw/security/vpn/faqandtips/#ques20">
 IBM's tip: importing Linux FreeS/WAN settings into AIX's<VAR> ikedb</VAR>
 (PSK)</A></P>
<P><A HREF="#aix.top">Back to chart</A></P>
<H4><A NAME="as400">IBM AS/400</A></H4>
<UL>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-April/009106.html">
 Road Warriors may act flaky</A>.</LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-September/014264.html">
 Richard Welty's tips and tricks</A>
<BR></P>
<P><A HREF="#as400.top">Back to chart</A></P>
<H4><A NAME="intel">Intel Shiva LANRover / Net Structure</A></H4>
<UL>
<LI>Intel Shiva LANRover is now known as Intel Net Structure.</LI>
<LI><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/01/msg00298.html">
 Shiva seems to have two modes: IPsec or the proprietary &quot;Shiva Tunnel&quot;.</A>
 Of course, FreeS/WAN will only create IPsec tunnels.</LI>
<LI><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/02/msg00293.html">
 AH may not work for Shiva-FreeS/WAN.</A> That's OK, since FreeS/WAN has
 phased out the use of AH.</LI>
</UL>
<P><A HREF="http://snowcrash.tdyc.com/freeswan/"> Snowcrash's configs
 (PSK)</A>
<BR><A HREF="http://www.opus1.com/vpn/index.html"> Old configs from an
 interop (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2001-October/003831.html">
 The day Shiva tickled a Pluto bug (PSK)</A>
<BR> &nbsp;&nbsp;&nbsp;&nbsp;<A HREF="http://lists.freeswan.org/pipermail/users/2001-October/004270.html">
 Follow up: success!</A></P>
<P><A HREF="#intel.top">Back to chart</A></P>
<H4><A NAME="lancom">LanCom (formerly ELSA)</A></H4>
<UL>
<LI>This router is popular in Germany.</LI>
</UL>
<P> Jakob Curdes successfully created a PSK connection with the LanCom
 1612 in August 2003.
<!-- add ML link when it appears -->
</P>
<P><A HREF="#lancom.top">Back to chart</A></P>
<H4><A NAME="linksys">Linksys</A></H4>
<UL>
<LI>Linksys may be used as an IPsec tunnel endpoint,<STRONG> OR</STRONG>
 as a router in &quot;IPsec passthrough&quot; mode, so that the IPsec tunnel
 passes through the Linksys.</LI>
</UL>
<H5>As tunnel endpoint</H5>
<P><A HREF="http://www.freeswan.ca/docs/BEFVP41/"> Ken Bantoft's
 instructions (Road Warrior with PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-February/007814.html">
 Nate Carlson's caveats</A></P>
<H5>In IPsec passthrough mode</H5>
<P><A HREF="http://www-ec.njit.edu/~rxt1077/Howto.txt"> Sample HOWTO
 through a Linksys Router</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2002/02/msg00114.html">
 Nadeem Hasan's configs</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2002/02/msg00180.html">
 Brock Nanson's tips</A>
<BR></P>
<P><A HREF="#linksys.top">Back to chart</A></P>
<H4><A NAME="lucent">Lucent</A></H4>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-May/010976.html">
 Partial success report; see also the next message in thread</A></P>

<!-- section done -->
<P><A HREF="#lucent.top">Back to chart</A></P>
<H4><A NAME="netasq">Netasq</A></H4>
<P><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with configs (X.509)</A></P>

<!-- section done -->
<P><A HREF="#netasq.top">Back to chart</A></P>
<H4><A NAME="netcelo">Netcelo</A></H4>
<P><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with configs (X.509)</A>
<!-- section done -->
</P>
<P><A HREF="#netcelo.top">Back to chart</A></P>
<H4><A NAME="netgear">Netgear fvs318</A></H4>
<UL>
<LI>With a recent Linux FreeS/WAN, you will require the latest (12/2002)
 Netgear firmware, which supports Diffie-Hellman (DH) group 2. For
 security reasons, we phased out DH 1 after Linux FreeS/WAN 1.5.</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-June/011833.html">
 This message</A> reports the incompatibility between Linux FreeS/WAN
 1.6+ and Netgear fvs318 without the firmware upgrade.</LI>
<LI>We believe Linux FreeS/WAN 1.5 and earlier will interoperate with
 any NetGear firmware.</LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2003-February/017891.html">
 John Morris' setup (PSK)</A></P>
<P><A HREF="#netgear.top">Back to chart</A></P>
<H4><A NAME="netscreen">Netscreen 100 or 5xp</A></H4>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-August/013409.html">
 Errol Neal's settings (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-October/015265.html">
 Corey Rogers' configs (PSK, no PFS)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-August/013051.html">
 Jordan Share's configs (PSK, 2 subnets, through static NAT)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/08/msg00404.html">
 Set src proxy_id to your protected subnet/mask</A>
<BR><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with ipsec.conf, Netscreen screen shots (X.509, may need to
 revert to PSK...)</A></P>
<P><A HREF="http://archives.neohapsis.com/archives/sf/linux/2001-q2/0123.html">
 A report of a company using Netscreen with FreeS/WAN on a large scale
 (FreeS/WAN road warriors?)</A></P>
<P><A HREF="#netscreen.top">Back to chart</A></P>
<H4><A NAME="nortel">Nortel Contivity</A></H4>
<UL>
<LI> Nortel supports IPsec-over-UDP NAT traversal.</LI>
<LI><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/02/msg00417.html">
 Some older versions of Contivity and FreeS/WAN will not communicate.</A>
</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-May/010924.html">
 FreeS/WAN cannot be used as a &quot;client&quot; to a Nortel Contivity server,
 but can be used as a branch-office tunnel.</A></LI>

<!--  Probably obsoleted by Ken's post
<LI>
(Matthias siebler from old interop)
At one point you could not configure Nortel-FreeS/WAN tunnels as 
"Client Tunnels" since FreeS/WAN does not support Aggressive Mode.
Current status of this problem: unknown.
<LI>
<A HREF="http://lists.freeswan.org/pipermail/users/2001-November/004612.html">
How do we map group and user passwords onto the data that FreeS/WAN wants?
</A>
</LI>
-->
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-October/015455.html">
 Contivity does not send Distinguished Names in the order FS wants them
 (X.509).</A></LI>
<LI><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/03/msg00137.html">
 Connections may time out after 30-40 minutes idle.</A></LI>
</UL>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/03/msg00137.html">
 JJ Streicher-Bremer's mini HOWTO for old &amp;new software. (PSK with two
 subnets)</A>
<BR><A HREF="http://www.hsc.fr/ressources/ipsec/ipsec2001/#config">
 French page with configs (X.509)</A>. This succeeds using the above
 X.509 tip.</P>

<!-- I could do more searching but this is a solid start. -->
<P><A HREF="#nortel.top">Back to chart</A></P>
<H4><A NAME="radguard">Radguard</A></H4>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/05/msg00009.html">
 Marko Hausalo's configs (PSK).</A> Note: These do create a connection,
 as you can see by &quot;IPsec SA established&quot;.
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-October/???.html">
 Claudia Schmeing's comments</A></P>
<P><A HREF="#radguard.top">Back to chart</A></P>
<H4><A NAME="raptor">Raptor (NT or Solaris)</A></H4>
<P></P>
<UL>
<LI>Now known as Symantec Enterprise Firewall.</LI>
<LI>The Raptor does not normally come with X.509, but this may be
 available as an add-on.</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-May/010256.html">
 Raptor requires alphanumberic PSK values, whereas FreeS/WAN uses hex.</A>
</LI>
<LI>Raptor's tunnel endpoint may be a host, subnet or group of subnets
 (see<A HREF="http://lists.freeswan.org/pipermail/design/2001-November/001295.html">
 this message</A> ). FreeS/WAN cannot handle the group of subnets; you
 must create separate connections for each in order to interoperate.</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-May/010113.html">
 Some versions of Raptor accept only single DES.</A> According to this
 German message,<A HREF="http://radawana.cg.tuwien.ac.at/mail-archives/lll/200012/msg00065.html">
 the Raptor Mobile Client demo offers single DES only.</A></LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-January/006935.html">
 Peter Mazinger's settings (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2001-November/005522.html">
 Peter Gerland's configs (PSK)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/07/msg00597.html">
 Charles Griebel's configs (PSK).</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-July/012275.html">
 Lumir Srch's tips (PSK)</A></P>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/05/msg00214.html">
 John Hardy's configs (Manual)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/01/msg00236.html">
 Older Raptors want 3DES keys in 3 parts (Manual).</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/06/msg00480.html">
 Different keys for each direction? (Manual)</A>
<BR></P>
<P><A HREF="#raptor.top">Back to chart</A></P>
<H4><A NAME="redcreek">Redcreek Ravlin</A></H4>
<UL>
<LI>Known issue #1: The Ravlin expects a quick mode renegotiation right
 after every Main Mode negotiation.</LI>
<LI> Known issue #2: The Ravlin tries to negotiate a zero connection
 lifetime, which it takes to mean &quot;infinite&quot;.<A HREF="http://www.bear-cave.org.uk/linux/ravlin/">
 Jim Hague's patch</A> addresses both issues.</LI>
<LI><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/03/msg00191.html">
 Interop works with Ravlin Firmware &gt; 3.33. Includes tips (PSK).</A></LI>
</UL>
<P><A HREF="#redcreek.top">Back to chart</A></P>
<H4><A NAME="sonicwall">SonicWall</A></H4>
<UL>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2001-June/000998.html">
 Sonicwall cannot be used for Road Warrior setups</A></LI>
<LI> At one point,<A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2000/05/msg00217.html">
 only Sonicwall PRO supported triple DES</A>.</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-March/008600.html">
 Older Sonicwalls (before Nov 2001) feature Diffie Hellman group 1 only</A>
.</LI>
</UL>
<P><A HREF="http://www.xinit.cx/docs/freeswan.html"> Paul Wouters'
 config (PSK)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/02/msg00073.html">
 Dilan Arumainathan's configuration (PSK)</A>
<BR><A HREF="http://www.gravitas.co.uk/vpndebug"> Dariush's setup...
 only opens one way (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2003-July/022302.html">
 Andreas Steffen's tips (X.509)</A>
<BR></P>
<P><A HREF="#sonicwall.top">Back to chart</A></P>
<H4><A NAME="sun">Sun Solaris</A></H4>
<UL>
<LI> Solaris 8+ has a native (in kernel) IPsec implementation.</LI>
<LI><A HREF="http://lists.freeswan.org/pipermail/users/2002-May/010503.html">
 Solaris does not seem to support tunnel mode, but you can make IP-in-IP
 tunnels instead, like this.</A></LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2003-June/022216.html">
 Reports of some successful interops</A> from a fellow @sun.com. See
 also<A HREF="http://lists.freeswan.org/pipermail/users/2003-July/022247.html">
 these follow up posts</A>.
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/03/msg00332.html">
 Aleks Shenkman's configs (Manual in transport mode)</A>
<BR>
<!--sparc 64 stuff goes where?-->
</P>
<P><A HREF="#solaris.top">Back to chart</A></P>
<H4><A NAME="symantec">Symantec</A></H4>
<UL>
<LI>The Raptor, covered<A HREF="#raptor"> above</A>, is now known as
 Symantec Enterprise Firewall.</LI>
<LI>Symantec's &quot;distinguished name&quot; is a KEY_ID. See Andreas Steffen's
 post, below.</LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-April/009037.html">
 Andreas Steffen's configs for Symantec 200R (PSK)</A></P>
<P><A HREF="#symantec.top">Back to chart</A></P>
<H4><A NAME="watchguard">Watchguard Firebox</A></H4>
<UL>
<LI>Automatic keying works with WatchGuard 5.0+ only.</LI>
<LI>Seen to interoperate with WatchGuard 1000, II, III; firmware v. 5,
 6..</LI>
<LI>For manual keying, Watchguard's Policy Manager expects SPI numbers
 and encryption and authentication keys in decimal (not hex).</LI>
</UL>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-July/012595.html">
 WatchGuard's HOWTO (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-August/013342.html">
 Ronald C. Riviera's Settings (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/archives/users/2003-October/msg00179.html">
 Walter Wickersham's Notes (PSK)</A>
<BR><A HREF="http://lists.freeswan.org/pipermail/users/2002-October/015587.html">
 Max Enders' Configs (Manual)</A></P>
<P><A HREF="http://lists.freeswan.org/pipermail/users/2002-April/009404.html">
 Old known issue with auto keying</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/02/msg00124.html">
 Tips on key generation and format (Manual)</A>
<BR></P>
<P><A HREF="#watchguard.top">Back to chart</A></P>
<H4><A NAME="xedia">Xedia Access Point/QVPN</A></H4>
<P><A HREF="http://www.sandelman.ottawa.on.ca/linux-ipsec/html/2001/12/msg00520.html">
 Hybrid IPsec/L2TP connection settings (X.509)</A>
<BR><A HREF="http://www.sandelman.ottawa.on.ca/ipsec/1999/08/msg00140.html">
 Xedia's LAN-LAN links don't use multiple tunnels</A>
<BR> &nbsp;&nbsp;&nbsp;&nbsp;<A HREF="http://www.sandelman.ottawa.on.ca/ipsec/1999/08/msg00140.html">
 That explanation, continued</A></P>
<P><A HREF="#xedia.top">Back to chart</A></P>
<H4><A NAME="zyxel">Zyxel</A></H4>
<UL>
<LI>The Zyxel Zywall is a rebranded SSH Sentinel box. See also our
 section on<A HREF="glossary.html#ssh"> SSH</A>.</LI>
<LI>There seems to be a problem with keeping this connection alive. This
 is caused at the Zyxel end. See this brief<A HREF="http://lists.freeswan.org/archives/users/2003-October/msg00141.html">
 discussion and solution.</A></LI>
</UL>
<P><A HREF="http://www.zyxel.com/support/supportnote/zywall/app/zw_freeswan.htm">
 Zyxel's Zywall to FreeS/WAN instructions (PSK)</A>
<BR><A HREF="http://www.zyxel.com/support/supportnote/p652/app/zw_freeswan.htm">
 Zyxel's Prestige to FreeS/WAN instructions (PSK)</A>. Note: not all
 Prestige versions include VPN software.
<BR><A HREF="http://www.lancry.net/techdocs/freeswan-zyxel.txt"> Fabrice
 Cahen's HOWTO (PSK)</A>
<BR> &nbsp;&nbsp;&nbsp;&nbsp;</P>
<P><A HREF="#zyxel.top">Back to chart</A></P>

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