Thanks Ludolf and Dmitry for replying.

@Ludolf, I know what an IP adress is. It's just that it's not allowed by the host to connect on their IP.

@Dmitry, I tried putting the SNI settings in the config file, but it didn't resolve our problem.

This is whats in our stunnel log file:

2015.01.21 09:30:00 LOG5[4684]: Service [ SERVICENAME ] accepted connection from 'INTERNAL-IP:PORT'

2015.01.21 09:30:00 LOG5[4684]: s_connect: connected 'EXTERNAL-IP:PORT'

2015.01.21 09:30:00 LOG5[4684]: Service [ SERVICENAME ] connected remote server from 'INTERNAL-IP:PORT'

2015.01.21 09:30:00 LOG5[4684]: Connection closed: 251 byte(s) sent to SSL, 188 byte(s) sent to socket

The response from the host is: "403 Forbidden</h1> Request forbidden by administrative rules."

Their support states it's because we are connecting to 'EXTERNAL-IP:PORT' and not 'SOMETHING.HOST.COM' .

Thanks again,

Colin

> From: gromovd@gmail.com
> Date: Tue, 20 Jan 2015 20:50:37 -0500
> CC: stunnel-users@stunnel.org
> Subject: Re: [stunnel-users] No DNS lookup?
>
> Hi
>
> On Tue, Jan 20, 2015 at 3:45 PM, Ludolf Holzheid
> <lholzheid@bihl-wiedemann.de> wrote:
> >
> > > The support on the host we are
> > > trying to reach states to following:
> > >
> > > It really sounds like the stunnel is not connecting to "something.host.com"
> > > but perhaps to the IP address behind it?
> >
>
> This sounds like they need SNI to be passed properly.
> Try adding SNI = something.host.com in your client section.
>
> Dmitry
>
> --
> //DG LOC(NJ)
> //*
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