HADOOP-16000. Remove TLSv1 and SSLv2Hello from the default value of 
hadoop.ssl.enabled.protocols

Signed-off-by: Akira Ajisaka <[email protected]>


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/1ea29b73
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/1ea29b73
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/1ea29b73

Branch: refs/heads/HDFS-13891
Commit: 1ea29b7385bc1545d7aa452549073d81f0c24b36
Parents: 26e55d4
Author: Gabor Bota <[email protected]>
Authored: Wed Dec 12 07:28:35 2018 +0100
Committer: Akira Ajisaka <[email protected]>
Committed: Sat Dec 15 10:53:52 2018 +0900

----------------------------------------------------------------------
 .../main/java/org/apache/hadoop/security/ssl/SSLFactory.java    | 2 +-
 .../hadoop-common/src/main/resources/core-default.xml           | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/1ea29b73/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/SSLFactory.java
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diff --git 
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/SSLFactory.java
 
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/SSLFactory.java
index 10c1d7d..3189b44 100644
--- 
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/SSLFactory.java
+++ 
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ssl/SSLFactory.java
@@ -72,7 +72,7 @@ public class SSLFactory implements ConnectionConfigurator {
   public static final String SSL_ENABLED_PROTOCOLS_KEY =
       "hadoop.ssl.enabled.protocols";
   public static final String SSL_ENABLED_PROTOCOLS_DEFAULT =
-      "TLSv1,SSLv2Hello,TLSv1.1,TLSv1.2";
+      "TLSv1.1,TLSv1.2";
 
   public static final String SSL_SERVER_NEED_CLIENT_AUTH =
       "ssl.server.need.client.auth";

http://git-wip-us.apache.org/repos/asf/hadoop/blob/1ea29b73/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml 
b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index f7d61c6..ddcee2f 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -2417,9 +2417,10 @@
 
 <property>
   <name>hadoop.ssl.enabled.protocols</name>
-  <value>TLSv1,SSLv2Hello,TLSv1.1,TLSv1.2</value>
+  <value>TLSv1.1,TLSv1.2</value>
   <description>
-    The supported SSL protocols.
+    The supported SSL protocols. The parameter will only used from
+    DatanodeHttpServer.
   </description>
 </property>
 


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