On Thu, 12 May 2016, Sasikala Raju wrote:

>> Let's start with: which libcurl version is this?
>
> Libcurl version : 7.21.1

We've done 38 releases during the 5 years since we released that version. I'm
quite several of them have changed how we do things through proxies too.

I would encourage you to first upgrade to a modern version before you spend a
lot of time trying to fix this.

-- 
  / daniel.haxx.se
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