if both the server and client are at openssl 9.8j, should i have to
use this changes

ifndef OPENSSL_NO_TLSEXT
 SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
 #endif

Should i have to use this at the client side or server side if openssl
version are different in server and client.


On 5/27/09, Brad House <[email protected]> wrote:
>> I have been using libjingle (http://code.google.com/p/libjingle/) with
>> openssl on linux. I recently upgraded my openssl from 0.9.8g to 0.9.8j,
>> and suddenly my TLS negotiation stopped working. I reverted back to
>> 0.9.8g, and it started working again.
>>
>> Is there a particular change that might be causing this?
>>
>> I see a Client Hello A packet, then a read error, and then there is no
>> further reads on the 0.9.8j, whereas with the 0.9.8g there are further
>> reads, and the TLS handshake completes.
>>
>> To verify, you can download the code from
>> http://code.google.com/p/libjingle/, and then configure/make it. After
>> make, you can go to libjingle-0.4.0/talk/examples/pcp, and run ./pcp.
>> There you can put in your googletalk username/password to login. With
>> 0.9.8g it will login, but with 0.9.8j it will just hang at logging in
>> (in the tls handshake). Any help is appreciated.
>
> I've run into this same issue before in my own products.  It is due to a
> bug on the server side.  Most likely the server is running an older version
> of OpenSSL not being able to handle tls extensions in the protocol stream.
> One such extension, TLS Tickets, are enabled by default in later versions
> of 0.9.8.
>
> To correct this issue you need to disable ticket support on the client
> side at runtime. You can use something like this to do that:
> #ifndef OPENSSL_NO_TLSEXT
>   SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
> #endif
>
> -Brad
> ______________________________________________________________________
> OpenSSL Project                                 http://www.openssl.org
> Development Mailing List                       [email protected]
> Automated List Manager                           [email protected]
>


-- 
Regards
Joshi Chandran
______________________________________________________________________
OpenSSL Project                                 http://www.openssl.org
Development Mailing List                       [email protected]
Automated List Manager                           [email protected]

Reply via email to