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From James Peach <jpe...@apache.org>
Subject Re: SSL Protocol specific to client and server
Date Wed, 06 Jul 2016 22:27:12 GMT

> On Jul 6, 2016, at 3:18 PM, Adi Mallikarjuna Reddy V <adimallikarjunareddy@gmail.com>
wrote:
> 
> When I turn off tls1 with 
> CONFIG proxy.config.ssl.TLSv1 INT 0
> I see 
> openssl s_client -debug -connect example.net:443 -tls1
> Fails as expected, but connection to origin also fails with 502 code. Browser sees 502
success.
> 
> This is when I started looking at the other flags to see if turning off tls1 at ATS affects
connection to origin also.

Ah I see. It looks like proxy.config.ssl.TLSv1 is applied to both client and server TLS sessions.
Can you please file a bug? AFAICT it has always been like this, but it doesn't really make
sense imho ...

> Thanks
> Adi
> 
> On Wednesday, July 6, 2016, James Peach <jpeach@apache.org> wrote:
> 
> > On Jul 6, 2016, at 2:28 PM, Adi Mallikarjuna Reddy V <adimallikarjunareddy@gmail.com>
wrote:
> >
> > we are trying to do
> >
> > map https://foo.com https://origin.foo.com
> >
> > where foo.com has TLSv1 disabled and origin.foo.com has TLS1 enabled.
> >
> > To achieve this I am trying to set
> > CONFIG proxy.config.ssl.TLSv1 INT 0
> > and
> > CONFIG proxy.config.ssl.client.TLSv1 INT 1
> >
> > Ideally this should make browser to ATS connection with TLS1.1 or TLS1.2 and ATS
to origin on TLS1/TLS1.1/TLS1.2.
> >
> >
> > It's not working as expected.
> 
> What is the behaviour you are seeing?
> 
> I turned off proxy.config.ssl.TLSv1, and the following fails as expected
>         $ openssl s_client -debug -connect example.net:443 -no_tls1_1 -no_tls1_2
> 
> However OpenSSL sends a 1.0 handshake if I do this:
>         $ openssl s_client -debug -connect example.net:443 -no_tls1_1
> 
> I have to explicitly enable 1.2:
>         $ openssl s_client -debug -connect example.net:443 -no_tls1_1 -tls1_2
> 
> J
> 
> 
> -- 
> Sent from Mobile


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