HADOOP-14340. Enable KMS and HttpFS to exclude SSL ciphers. Contributed by John Zhuge.

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer2.java

@@ -384,6 +384,7 @@ public final class HttpServer2 implements FilterContainer {
           getPassword(sslConf, SSLFactory.SSL_SERVER_TRUSTSTORE_PASSWORD),
           sslConf.get(SSLFactory.SSL_SERVER_TRUSTSTORE_TYPE,
               SSLFactory.SSL_SERVER_TRUSTSTORE_TYPE_DEFAULT));
+      excludeCiphers(sslConf.get(SSLFactory.SSL_SERVER_EXCLUDE_CIPHER_LIST));
     }
 
     public HttpServer2 build() throws IOException {