diff --git a/enabler/src/de/schildbach/pte/exception/BlockedException.java b/enabler/src/de/schildbach/pte/exception/BlockedException.java
new file mode 100644
index 00000000..58c1ff37
--- /dev/null
+++ b/enabler/src/de/schildbach/pte/exception/BlockedException.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2013 the original author or authors.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package de.schildbach.pte.exception;
+
+import java.io.IOException;
+import java.net.URL;
+
+/**
+ * @author Andreas Schildbach
+ */
+public class BlockedException extends IOException
+{
+	private final URL url;
+
+	public BlockedException()
+	{
+		this.url = null;
+	}
+
+	public BlockedException(final URL url)
+	{
+		super(url.toString());
+
+		this.url = url;
+	}
+
+	public URL getUrl()
+	{
+		return url;
+	}
+}
diff --git a/enabler/src/de/schildbach/pte/util/ParserUtils.java b/enabler/src/de/schildbach/pte/util/ParserUtils.java
index 339e4dc3..b2c04b61 100644
--- a/enabler/src/de/schildbach/pte/util/ParserUtils.java
+++ b/enabler/src/de/schildbach/pte/util/ParserUtils.java
@@ -39,6 +39,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.zip.GZIPInputStream;
 
+import de.schildbach.pte.exception.BlockedException;
 import de.schildbach.pte.exception.UnexpectedRedirectException;
 
 /**
@@ -191,6 +192,10 @@ public final class ParserUtils
 							throw new IOException(message + ": " + url);
 					}
 				}
+				else if (responseCode == HttpURLConnection.HTTP_FORBIDDEN || responseCode == HttpURLConnection.HTTP_BAD_REQUEST)
+				{
+					throw new BlockedException(url);
+				}
 				else
 				{
 					final String message = "got response: " + responseCode + " " + connection.getResponseMessage();
@@ -336,6 +341,10 @@ public final class ParserUtils
 					return is;
 				}
 			}
+			else if (responseCode == HttpURLConnection.HTTP_FORBIDDEN || responseCode == HttpURLConnection.HTTP_BAD_REQUEST)
+			{
+				throw new BlockedException(url);
+			}
 			else
 			{
 				final String message = "got response: " + responseCode + " " + connection.getResponseMessage();