diff --git a/utils/unblock_all_user.sh b/utils/unblock_all_user.sh
new file mode 100644
index 000000000..6fe4e3356
--- /dev/null
+++ b/utils/unblock_all_user.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+#
+
+python ../apps/manage.py shell << EOF
+from django.core.cache import cache
+
+cache.delete_pattern('_LOGIN_BLOCK_*')
+cache.delete_pattern('_LOGIN_LIMIT_*')
+
+EOF