[CentOS] IPSec VPN Setup?

Geoff Galitz geoff at galitz.org
Wed Mar 10 07:08:36 UTC 2010

I use Openswan regularly for IPSec VPN connections to remote sites.
Although the documentation is a bit lacking it is pretty easy to get going
once you've played with it a bit.  

It is reliable, widely available and the openswan users support list is

If you have trouble connecting to the remote side, ike-scan can help in
getting your key exchange settings right.  That is usually the hard part, in
my experience.


Geoff Galitz
Blankenheim NRW, Germany

> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Ski Dawg
> Sent: Mittwoch, 10. März 2010 02:12
> To: centos at centos.org
> Subject: [CentOS] IPSec VPN Setup?
> Hello Everyone,
> I have been tasked at work with setting up a VPN connection from our
> server to a client's network. The only problem is that I have never
> done anything like this before, so I am not sure where to start.
> We are running CentOS 5.4 on our server. I do not yet know what the
> client is running for their VPN, the only thing I know of from the
> client, is we need to use IPSec for our VPN connection to them. I have
> been googling, and have found quite a bit of information, but it is a
> little overwhelming, as I am new to setting up a VPN. Is the a
> "standard" method for doing this sort of setup that I am missing so
> far?
> If anyone has any quick pointers to get me started, that would be
> greatly appreciated.
> --
> Doug
> Registered Linux User #285548 (http://counter.li.org)
> ----------------------------------------
> Never trust a computer you can't throw out a window.
>    -- Steve Wozniak
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