--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/net/InetAddress/IsReachableViaLoopbackTest.java	Thu Oct 01 00:09:51 2015 +0100
@@ -0,0 +1,40 @@
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+/**
+ * @test
+ * @bug 8135305
+ * @summary ensure we can't ping external hosts via loopback if
+ */
+
+public class IsReachableViaLoopbackTest {
+    public static void main(String[] args) {
+        try {
+            InetAddress addr = InetAddress.getByName("localhost");
+            InetAddress remoteAddr = InetAddress.getByName("bugs.openjdk.java.net");
+            if (!addr.isReachable(10000))
+                throw new RuntimeException("Localhost should always be reachable");
+            NetworkInterface inf = NetworkInterface.getByInetAddress(addr);
+            if (inf != null) {
+                if (!addr.isReachable(inf, 20, 10000)) {
+                    throw new RuntimeException("Localhost should always be reachable");
+                } else {
+                    System.out.println(addr + "  is reachable");
+                }
+                if (remoteAddr.isReachable(inf, 20, 10000)) {
+                    throw new RuntimeException(remoteAddr + " is reachable");
+                } else {
+                    System.out.println(remoteAddr + "  is NOT reachable");
+                }
+            } else {
+                System.out.println("inf == null");
+            }
+
+        } catch (IOException e) {
+            throw new RuntimeException("Unexpected exception:" + e);
+        }
+        System.out.println("IsReachableViaLoopbackTest EXIT");
+    }
+}
+