Re: SSL gskit handshake errors -- WEB400

no not forcing it. I have a mix of ciphers and protocols.
yes the end point supports it. 98% of the calls go through fine with
SSLv1.3.

and of the errors,,, 95% of them happen between 5am and 10am.

On Tue, Nov 10, 2020 at 8:50 AM Charles Wilt <charles.wilt@xxxxxxxxx> wrote:

Are you forcing 1.3? Does the endpoint support it?

IIRC, That message is common when there's no compatible version between the
endpoints..

Charles

On Tue, Nov 10, 2020 at 7:47 AM Gerald Magnuson <
gmagqcy.midrange@xxxxxxxxx>
wrote:

It may fix those who are using TLSv1.2, since the APAR description

details

that.
I only see the errors when I use TLSv1.3 and the TLSv1.3 ciphers.

On Tue, Nov 10, 2020 at 8:39 AM Brad Stone <bvstone@xxxxxxxxx> wrote:

Bummer. Thanks for the update.

On Tue, Nov 10, 2020 at 8:03 AM Gerald Magnuson <
gmagqcy.midrange@xxxxxxxxx>
wrote:

Nope.
still have the "ssl_error(415): (GSKit) Peer not recognized or badly
formatted message received." errors.

On Mon, Nov 9, 2020 at 10:54 AM Gerald Magnuson <
gmagqcy.midrange@xxxxxxxxx>
wrote:

I just found and applied MF67905.

DESCRIPTION OF PROBLEM FIXED FOR APAR MA48640 :
-----------------------------------------------
When a callback function is set on gsk_attribute_set_callback()
for GSK_CERT_VALIDATION_CALLBACK, TLSv1.2 cached handshakes fail
with GSK_ERROR_BAD_PEER.

CORRECTION FOR APAR MA48640 :
-----------------------------
The TLSv1.2 handshake path was updated to properly handle cached
handshakes when there is a callback function set on
gsk_attribute_set_callback() for GSK_CERT_VALIDATION_CALLBACK.

I have just applied said ptf, and will see how it goes.

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