Re: Query: Disabling SSLv3

2014-11-06 Thread Richard Könning
On 06.11.2014 16:35, Viktor Dukhovni wrote: On Thu, Nov 06, 2014 at 03:31:10PM +0100, Richard K?nning wrote: Well, the ClientHello message only allows to advertise the highest protocol version the client speaks, it is expected that the client speaks also all lower versions. The client uses t

Re: Query: Disabling SSLv3

2014-11-06 Thread Viktor Dukhovni
On Thu, Nov 06, 2014 at 03:31:10PM +0100, Richard K?nning wrote: > Well, the ClientHello message only allows to advertise the highest protocol > version the client speaks, it is expected that the client speaks also all > lower versions. The client uses the lowest supported version at the *record

Re: Query: Disabling SSLv3

2014-11-06 Thread Richard Könning
On 05.11.2014 17:00, Viktor Dukhovni wrote: On Wed, Nov 05, 2014 at 12:18:05PM +, Philip Bellino wrote: Jeffrey, May I ask why you included "no-ssl2" as an option to "config? Is only adding "no-ssl3" not sufficient enough to fully disable SSLv3? No. If you leave SSLv2 enabled, and disab

Re: Query: Disabling SSLv3

2014-11-05 Thread Viktor Dukhovni
On Wed, Nov 05, 2014 at 12:18:05PM +, Philip Bellino wrote: > Jeffrey, > May I ask why you included "no-ssl2" as an option to "config? > Is only adding "no-ssl3" not sufficient enough to fully disable SSLv3? No. If you leave SSLv2 enabled, and disable SSLv3, then in many cases you always get

RE: Query: Disabling SSLv3

2014-11-05 Thread Philip Bellino
lf Of Jeffrey Walton Sent: Wednesday, November 05, 2014 12:45 AM To: OpenSSL Users List Subject: Re: Query: Disabling SSLv3 > We are upgrading to OpenSSL 0.9.8zc on FreeBSD based OS to mitigate > POODLE risk. > Could you please answer our following query, Definition of a function >

Re: Query: Disabling SSLv3

2014-11-04 Thread Jeffrey Walton
> We are upgrading to OpenSSL 0.9.8zc on FreeBSD based OS to mitigate POODLE > risk. > Could you please answer our following query, > Definition of a function ssl23_get_client_method() in C file > 'openssl-0.9.8zc/ssl/s23_clnt.c' shows, > #ifndef OPENSSL_NO_SSL3 > if (ver == SSL3_VERSION

Query: Disabling SSLv3

2014-11-04 Thread Vaghasiya, Nimesh
Hi, We are upgrading to OpenSSL 0.9.8zc on FreeBSD based OS to mitigate POODLE risk. Could you please answer our following query, Definition of a function ssl23_get_client_method() in C file 'openssl-0.9.8zc/ssl/s23_clnt.c' shows, #ifndef OPENSSL_NO_SSL3 if (ver == SSL3_VERSION)