Jacco's networking stuff

A Linux L2TP/IPsec VPN server

I have made the following webpages on using L2TP/IPsec with Linux:

The first page contains a discussion of using Openswan with L2TP/IPsec. It also includes information on setting up the Linux side. If you are interested in using L2TP/IPsec with Openswan, read this one first.

The other pages contain specifics on several clients supporting L2TP/IPsec. With "third-party" I mean add-on software that is not included with the base operating system, for instance SSH Sentinel and SafeNet SoftRemote. The "Microsoft L2TP/IPSec VPN Client" (alias MSL2TP) is a free client available for Windows 9x/Me/NT4.

Windows Mobile 6 / Windows Mobile 5.0 / Pocket PC 2003

I have made a number of programs for Windows Mobile that allow you to import a personal certificate from a PKCS#12 file. You can then use this personal certificate for L2TP/IPsec VPNs, web client authentication and EAP-TLS on the Pocket PC.

There is also documentation about how to install certificates on Windows Mobile 6 and how to use S/MIME secure e-mail with Windows Mobile 6.


Here are some instructions on how to install certificates on Symbian devices such as those from Nokia.


Samba stuff can be found here. I have done some testing with older SMB clients for DOS, Windows 3.x and OS/2 Warp.

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Jacco de Leeuw