diff --git a/core/src/main/java/net/adoptopenjdk/icedteaweb/resources/downloader/BaseResourceDownloader.java b/core/src/main/java/net/adoptopenjdk/icedteaweb/resources/downloader/BaseResourceDownloader.java
index 36145a1d7..f21a6fa98 100644
--- a/core/src/main/java/net/adoptopenjdk/icedteaweb/resources/downloader/BaseResourceDownloader.java
+++ b/core/src/main/java/net/adoptopenjdk/icedteaweb/resources/downloader/BaseResourceDownloader.java
@@ -132,6 +132,7 @@ private CompletableFuture<Resource> downloadFrom(final URL url) {
     }
 
     private Resource tryDownloading(final URL downloadFrom) throws IOException {
+        ensureRequestInterval();
         DownloadDetails downloadDetails = null;
         try (final CloseableConnection connection = getDownloadConnection(downloadFrom)) {
             downloadDetails = getDownloadDetails(connection);
@@ -158,23 +159,33 @@ private Resource tryDownloading(final URL downloadFrom) throws IOException {
         }
     }
 
+    private void ensureRequestInterval() {
+        final int httpsRequestInterval = getTimeValue(ConfigurationConstants.KEY_HTTPCONNECTION_REQUEST_INTERVAL);
+        if (httpsRequestInterval > 0) {
+            try {
+                Thread.sleep(httpsRequestInterval);
+            } catch (InterruptedException ignored) {
+            }
+        }
+    }
+
     private CloseableConnection getDownloadConnection(final URL location) throws IOException {
         final Map<String, String> requestProperties = new HashMap<>();
         requestProperties.put(ACCEPT_ENCODING_HEADER, PACK_200_OR_GZIP);
-        return ConnectionFactory.openConnection(location, HttpMethod.GET, requestProperties, getTimeoutValue(ConfigurationConstants.KEY_HTTPCONNECTION_CONNECT_TIMEOUT), getTimeoutValue(ConfigurationConstants.KEY_HTTPCONNECTION_READ_TIMEOUT));
+        return ConnectionFactory.openConnection(location, HttpMethod.GET, requestProperties, getTimeValue(ConfigurationConstants.KEY_HTTPCONNECTION_CONNECT_TIMEOUT), getTimeValue(ConfigurationConstants.KEY_HTTPCONNECTION_READ_TIMEOUT));
     }
 
-    private int getTimeoutValue(final String key) {
-        int timeout = 0;
+    private int getTimeValue(final String key) {
+        int timeValue = 0;
         final String value = JNLPRuntime.getConfiguration().getProperty(key);
         if (value != null && value.trim().length() != 0) {
             try {
-                timeout = Integer.valueOf(value);
+                timeValue = Integer.valueOf(value);
             } catch (NumberFormatException e) {
                 LOG.error("Could not parse {} with value '{}' - reason {}", key, value, e.getMessage());
             }
         }
-        return timeout;
+        return timeValue;
     }
 
     private long tryDownloading(final DownloadDetails downloadDetails) throws IOException {
diff --git a/core/src/main/java/net/sourceforge/jnlp/config/ConfigurationConstants.java b/core/src/main/java/net/sourceforge/jnlp/config/ConfigurationConstants.java
index 9cabc8082..8d106d25c 100644
--- a/core/src/main/java/net/sourceforge/jnlp/config/ConfigurationConstants.java
+++ b/core/src/main/java/net/sourceforge/jnlp/config/ConfigurationConstants.java
@@ -305,4 +305,5 @@ public interface ConfigurationConstants {
      */
     String KEY_HTTPCONNECTION_CONNECT_TIMEOUT = "deployment.connection.connectTimeout";
     String KEY_HTTPCONNECTION_READ_TIMEOUT = "deployment.connection.readTimeout";
+    String KEY_HTTPCONNECTION_REQUEST_INTERVAL = "deployment.connection.request.interval";
 }
diff --git a/core/src/main/java/net/sourceforge/jnlp/runtime/JNLPRuntime.java b/core/src/main/java/net/sourceforge/jnlp/runtime/JNLPRuntime.java
index e6baa022e..375f4db03 100644
--- a/core/src/main/java/net/sourceforge/jnlp/runtime/JNLPRuntime.java
+++ b/core/src/main/java/net/sourceforge/jnlp/runtime/JNLPRuntime.java
@@ -673,6 +673,22 @@ public static LaunchHandler getDefaultLaunchHandler() {
         return handler;
     }
 
+    /**
+     * Returns the Security Dialog Message Handler.
+     * @return SecurityDialogMessageHandler
+     */
+    public static SecurityDialogMessageHandler getSecurityDialogMessageHandler() {
+        return securityDialogMessageHandler;
+    }
+
+    /**
+     * Sets the Security Dialog Message Handler.
+     * @param securityDialogMessageHandler handler for Security Dialog messages
+     */
+    public static void setSecurityDialogMessageHandler(final SecurityDialogMessageHandler securityDialogMessageHandler) {
+        JNLPRuntime.securityDialogMessageHandler = securityDialogMessageHandler;
+    }
+
     /**
      * Sets the default download indicator.
      *