using varnish4 for HTTPS wordpress site

Luca Gervasi luca.gervasi at
Fri Nov 3 08:18:03 UTC 2017

this is totally unrelated to varnish. If you want to achieve purging, you
can safely stay http and purge locally (if you are using a load balancer in
front of your delivery, you either have just one varnish - hence purge
locally - or your purges are inconsistently distributed among all your


On Fri, 3 Nov 2017 at 08:31 Navneet Kashyap <navneet.kashyap at>

> Hi
> I was using varnish-cahe (open source) for my wordpress website, it was
> running well when its on HTTP only, but when i turn it to HTTPS its giving
> me error message when testing status using plugin in wordpress i.e. *Varnish
> HTTP Purge*
> Error: This request cannot be performed: cURL error 60: Issuer certificate
> is invalid.
> please check the screenshot also.
> [image: Inline image 1]
> Currently the flow is like this:
> client--> HTTPS request--> AWS load balancer --> Varnish--> apache2.
> we are using self-signed certs for backend authentication settings in
> AWS-load balancer, and using AMAZON provided CA-certs (using certificate
> manager)
> Note: Is this possible in varnish-cache software (open-Source) or else we
> have to buy varnish-cache plus software (Paid Version). or we have to busy
> CA-certs for that domain. ?
> kindly guide us.
> Thanks and Regards
> Navneet Kashyap
> Sr. System Administrator - Webner Solutions Pvt. Ltd.
> Web - <>
> [image: Zoho Development, Salesforce Development, Web and Mobile App
> Development] <>
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