diff --git a/.jitsi-hammer/sip-communicator.properties b/.jitsi-hammer/sip-communicator.properties
index e69de29..11a5c8a 100644
--- a/.jitsi-hammer/sip-communicator.properties
+++ b/.jitsi-hammer/sip-communicator.properties
@@ -0,0 +1 @@
+org.jitsi.impl.neomedia.transform.dtls.DtlsPacketTransformer.dropUnencryptedPkts=true
diff --git a/lib/libjitsi.jar b/lib/libjitsi.jar
index b851451..08aa2ac 100644
Binary files a/lib/libjitsi.jar and b/lib/libjitsi.jar differ