HDFS-7391. Renable SSLv2Hello in HttpFS. (Robert Kanter via kasha)

(cherry picked from commit 178831509f7ab3d586ff725079bc80912c4887f3)

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/tomcat/ssl-server.xml

@@ -70,7 +70,7 @@
          described in the APR documentation -->
     <Connector port="${httpfs.http.port}" protocol="HTTP/1.1" SSLEnabled="true"
                maxThreads="150" scheme="https" secure="true"
-               clientAuth="false" sslEnabledProtocols="TLSv1"
+               clientAuth="false" protocols="TLSv1,SSLv2Hello"
                keystoreFile="${httpfs.ssl.keystore.file}"
                keystorePass="${httpfs.ssl.keystore.pass}"/>
 

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -14,6 +14,8 @@ Release 2.5.2 - 2014-11-10
 
     HDFS-7274. Disable SSLv3 in HttpFS. (Robert Kanter via kasha)
 
+    HDFS-7391. Renable SSLv2Hello in HttpFS. (Robert Kanter via kasha)
+
 
 Release 2.5.1 - 2014-09-05