[Xymon] SSL Certs on servers with multiple virtualhosts

Ralph Mitchell ralphmitchell at gmail.com
Wed Aug 7 03:50:26 CEST 2013


Here's that script for checking web servers.  It's not rocket surgery, but
it gets the job done.  I needed it to be able to poke a secure web server
through a proxy.

Ralph Mitchell


On Tue, Aug 6, 2013 at 2:32 PM, John D. Alexander <
JAlexander at feeneywireless.com> wrote:

>  ** **
>
> I’m running Xymon 4.3.12 on CentOS 6.4 and monitoring a number of Apache
> web servers that each have multiple SSL VirtualHosts.****
>
> ** **
>
> Xymon appears to be using the openssl s_client utility to check server
> certificates and since s_client is not SNI compliant, it only picks up the
> certificate of the first VirtualHost.  All other VirtualHosts are reported
> having the same certificate.****
>
> ** **
>
> Does anyone know of a workaround (perhaps using curl) to validate SSL
> certificates and track expiration dates of those certificates?****
>
> ** **
>
> Thanks much.****
>
> ** **
>
> *John Alexander*
> Network Administrator****
>
> ** **
>
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>
>
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