[stunnel-users] older browsers, stunnel and privoxy

kovacs janos kovacsjanosfasz at gmail.com
Thu Dec 20 04:05:06 CET 2018

what i mean by stunnel working, is the connection between the browser
and requested server working through stunnel.
but if that is true, then the traffic forwarded by stunnel can only be
received by stunnel, and nothing can be between the two ends at all,
or it will always give an error.

On 12/19/18, Ludolf Holzheid <lholzheid at bihl-wiedemann.de> wrote:
> On Wed, 2018-12-19 16:13:25 +0100, kovacs janos wrote:
>> so stunnel doesnt rewrite the headers besides the encryption?
> Yes.
>> does
>> that mean only stunnel can receive traffic forwarded by itself,
> There are other protocols than HTTP, without the need for re-writing
> contents while encrypting/decrypting, such as e.g. POP3.
> The peculiarity of HTTP is, it thrives on the links from one resource
> to another.  If you change the way the resources are retrieved, you
> have to change their addresses in both, the request you send to the
> server and the the document you present to the client.
>> and
>> can only work if both ends of the tunnel are defined and connected?
> This depends on the terminology.
> If 'the tunnel' is the section of the path where the data is
> encrypted, then yes, both ends of the tunnel must be defined.
> If 'stunnel works' means actual data flow, then yes, there obviously
> must be a connection between the tunnel ends.
> A stunnel process is listening on a configured TCP port for connection
> requests and, depending on the configuration, may accept any client
> that reaches the stunnel process.  If 'the tunnel' includes the path
> from the client to the stunnel process, then no, the client end of the
> tunnel is not defined beforehand.
> If a client is accepted, the stunnel process sets up a connection to
> the configured server (which may be, but does not have to be, a second
> stunnel process).  If 'stunnel works' means the stunnel process is up
> and waiting for connection requests, then no, there is no need for a
> connection for stunnel to work.
> Ludolf
> --
> Ludolf Holzheid
> Bihl+Wiedemann GmbH
> Floßwörthstraße 41
> 68199 Mannheim, Germany
> Tel: +49 621 33996-0
> Fax: +49 621 3392239
> mailto:lholzheid at bihl-wiedemann.de
> http://www.bihl-wiedemann.de
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