--- jdk9/jdk/src/java.base/share/conf/security/java.security
+++ jdk9/jdk/src/java.base/share/conf/security/java.security
@@ -67,7 +67,6 @@
 #endif
 security.provider.tbd=SUN
 security.provider.tbd=SunRsaSign
-security.provider.tbd=SunEC
 security.provider.tbd=SunJSSE
 security.provider.tbd=SunJCE
 security.provider.tbd=SunJGSS
@@ -676,7 +675,7 @@
 # Example:
 #   jdk.tls.disabledAlgorithms=MD5, SSLv3, DSA, RSA keySize < 2048
 jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 1024, \
-    EC keySize < 224
+    EC, ECDHE, ECDH
 
 # Legacy algorithms for Secure Socket Layer/Transport Layer Security (SSL/TLS)
 # processing in JSSE implementation.