[stunnel-users] Certificates

Jochen Bern Jochen.Bern at LINworks.de
Fri Sep 16 10:40:17 CEST 2011


On 09/15/2011 04:09 PM, Cary Corse wrote:
> I'm trying to use stunnel to connect to a secure server for syslogging.
> I have a certificate from the central logging server.  How do I load
> this into stunnel so that I can connect?

Step 1: Learn as much as possible about the central server, the features
of its software, and whether switching to another software might be an
option. Here's a snippet from the rsyslog.conf manpage that you might
find interesting:

> MODULES
>        imrelp Input  plugin  for  the  RELP  protocol. RELP can be used
>               instead of UDP or plain TCP syslog  to  provide  reliable
>               delivery  of  syslog messages. Please note that plain TCP
>               syslog does NOT provide truly reliable delivery, with  it
>               messages  may  be lost when there is a connection problem
>               or the server shuts down.  RELP prevents message loss  in
>               those cases.  It can be used like this:
>               $ModLoad imrelp
>               $InputRELPServerRun 2514
>        imgssapi
>               Input plugin for plain TCP and GSS-enable syslog

(Note: I don't have manpages for syslogd, syslog-ng, or any other
implementations at my fingertips right now.)

Evaluate your needs in terms of reliability and authentication, and if
the chosen solution still needs encryption on top (and is TCP based with
persistent connections ...), add stunnel to it.

Kind regards,
								J. Bern
-- 
Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/>
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