[stunnel-users] Proxy HTTPS via stunnel without any certificates on proxy/stunnel box

Jason Haar Jason_Haar at trimble.com
Wed Sep 25 04:31:19 CEST 2013


On 25/09/13 00:43, Gary Chodos wrote:
> We are trying to decide between SNIProxy and stunnel for the following
> task:
>
> - Client browser hits https://foo.bar.org, which resolves to an IP
> that corresponds to the stunnel machine listening on 443.
>
> - stunnel "forwards" (sorry if this is not the correct technical term)
> the connection to a different machine, specified by a different IP
> address, which is also configured to believe it is foo.bar.org
> <http://foo.bar.org> and actually has a web server listening on 443
> and houses the SSL key/cert.
>
What an odd setup. You want to make an HTTPS connection to an IP
address, but want that to make an HTTPS connection to another IP
address, but don't want it to house the SSL cert.

That isn't possible - an "SSL terminator" requires the cert - otherwise
it isn't terminating the SSL connection. Why don't you just use a
standard TCP forwarder instead - won't that do what you want? Don't
forget: SSL occurs *within* a TCP session - so a standard TCP forwarder
can "reroute" the SSL transaction without needing to know what it is
forwarding (ie no need for certs)

You could use xinetd or netcat - tonnes of options


-- 
Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +1 408 481 8171
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1

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