diff --git a/.gitignore b/.gitignore
index 8e9a47415911bb5a9b7d8c3c23c716d16f44d1a3..29cc1942626e7a38c0a6f4c6b044bbf530c1186d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,8 @@
 /projects/MulticastExample/MulticastReceiver/build/
 /projects/MulticastExample/MulticastReceiver/nbproject/private/
 /projects/MulticastExample/MulticastReceiver/nbproject/private
+/projects/TcpExample1/nbproject/private/private.xml
+/projects/TcpExample2/nbproject/private/private.xml
+/projects/UdpExample1/UdpSender/nbproject/private/private.xml
+/projects/MulticastExample/MulticastSenderExample/nbproject/private/private.xml
+/projects/TcpExample1/nbproject/private/private.properties