Mohammed Aijaz Yousuf created HTTPCLIENT-1692:
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             Summary: Apache HttpClient overrides the protocols supplied by JVM 
and instead defaults it to TLSv1.0
                 Key: HTTPCLIENT-1692
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1692
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient
    Affects Versions: 4.5
         Environment: Windows and Linux
            Reporter: Mohammed Aijaz Yousuf


Issue :  We have a SDK provided by our Payment gateway and we use this SDK to 
invoke the Payment webservices. This SDK uses Apache HttpCLient /Post methods 
to make webservice calls and Payment gateway requires the communication to go 
through TLS1.2 handshake.  We invoke these payment services using 2 ways :
1. Using IBM Websphere Application server.
2. Using IBM Agent Server (Batch job which runs on a JVM process and uses Queue 
to process and listen to messages)

a. For IBM websphere, we were able to make the TLS1.2 protocol work by changing 
the "Quality Of Protection"  SSL settings but we cannot make it work on IBM 
Agent server.

b. We tried passing the protocols explicitly by giving 
"https.protocols=TLSv1.2" as system arguments when starting the server but it 
seems the Apache HttpsClient is overriding the protocol and setting it to JVM 
default protocol which is TLSv1.0. Due to this default protocol, all our 
communications with Payment gateway are failing. We are using 
apache-httpcomponents-httpclient.jar.  

c. We tried using the httpClient4.5.x but even then the same behavior is 
seen.Another issue we faced when we use higher versions of httpclient was 
whenever we try deploying the Httpclient 4.5.x.jar on websphere, Websphere is 
throwing Class conflict error as IBM websphere has a 
com.ibm.ws.prereq.jaxrs.jar plugin which internally supports only apache 4.1.x. 
We tried changing the websphere class loader policy to read the Parent class 
last but it starts effecting other functionalities.

d. We would basically need to know how we can enforce the httpclient to accept 
the JVM protocols set in system property "https.protocols=TLSv1.2" instead of 
overriding the protocol to TLSv1.0.  

e. We are using IBM JDK 1.6 SR5 and IBM Websphere 8.5.5
Secondly we are not using JSSE socketfactory but are using Websphere SSL socket 
factory with com.ibm.ws.security.crypto.jar:

# WebSphere socket factories (in cryptosf.jar)
ssl.SocketFactory.provider=com.ibm.websphere.ssl.protocol.SSLSocketFactory
ssl.ServerSocketFactory.provider=com.ibm.websphere.ssl.protocol.SSLServerSocketFactory

f. Its an Open source SDK provided by Vantiv and it can be used by anyone  at 
https://github.com/LitleCo/litle-sdk-for-java
Below is the URL:
https://www.testlitle.com/sandbox/communicator/online




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