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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1784) TLS Client Hello is always TLS 1.0 (0x0301) under IBM Java
Date Thu, 13 Oct 2016 13:12:20 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15571867#comment-15571867

Oleg Kalnichevski commented on HTTPCLIENT-1784:


HC fluent uses the default SSL socket factory as provided by the JRE, HttpClient does not
(by default). This is likely the reason for different behavior with IBM Java.

What is not entirely clear to me is the expected usage of the IBMJSSE2 provider

Oracle -> enables all versions of TLS supported by the provider

IBM -> enables TLS version 1 only

How would one initialize all supported TLS versions and let the endpoints select the highest
common version during the SSL handshake?



> TLS Client Hello is always TLS 1.0 (0x0301) under IBM Java
> ----------------------------------------------------------
>                 Key: HTTPCLIENT-1784
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1784
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient (classic)
>    Affects Versions: 4.5.2
>         Environment: IBM Java, many versions including latest Java 8.
>            Reporter: Bruce Adams
>              Labels: tls
>         Attachments: ApacheGet.java, FluentGet.java, Get.java
> A simple client program fails to connect to any site that _requires_ TLSv1.2. The attached
{{ApacheGet.java}} program, run with org.apache.httpcomponents/httpclient version 4.5.2 and
given the URL https://www.sandbox.paypal.com fails with:
> bq. javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
> when run on the latest released IBM Java, {{pxa6480sr3fp12-20160919_01(SR3 FP12)}} (available
in a Docker image {{ibmcom/ibmjava:8-sdk}}). The same run is successful on a recent Oracle
Java 8.
> The similar, simple, {{Get.java}} program that uses the built-in Java libraries instead
of Apache HttpClient works fine on both IBM Java and Oracle Java.

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