diff --git a/.gitignore b/.gitignore
index 59977a4..fa6defa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /build/
 /dist/
+/proguard/
 /nbproject/private/
\ No newline at end of file
diff --git a/build.xml b/build.xml
index 4252d5c..46ab6bd 100644
--- a/build.xml
+++ b/build.xml
@@ -10,6 +10,27 @@
 <project name="SocketFileTransfer" default="default" basedir=".">
     <description>Builds, tests, and runs the project SocketFileTransfer.</description>
     <import file="nbproject/build-impl.xml"/>
+    
+    <target name="-post-jar" if="false">
+	    <property name="proguard.jar.path" value="proguard/proguard.jar" />
+	    
+	    <echo message="Obfuscating ${dist.jar}..." />
+	    
+	    <taskdef resource="proguard/ant/task.properties"
+	             classpath="${proguard.jar.path}" />
+	    
+	    <proguard configuration="proguard/java.pro">
+	    
+	        <injar  file="${dist.jar}" />
+	        <outjar file="${build.dir}/obfuscated.jar" />
+	        
+	        <libraryjar path="${javac.classpath}" />
+	        <libraryjar file="${java.home}/lib/rt.jar" />
+	        
+	    </proguard>
+	    
+	    <move file="${build.dir}/obfuscated.jar" tofile="${dist.jar}"/>
+	</target>
     <!--
 
     There exist several targets which are by default empty and which can be 
diff --git a/nbproject/project.properties b/nbproject/project.properties
index f55505d..aacd0d2 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -28,15 +28,17 @@ dist.javadoc.dir=${dist.dir}/javadoc
 endorsed.classpath=
 excludes=
 includes=**
+jar.archive.disabled=${jnlp.enabled}
 jar.compress=false
+jar.index=${jnlp.enabled}
 javac.classpath=
 # Space-separated list of extra javac options
 javac.compilerargs=
 javac.deprecation=false
 javac.processorpath=\
     ${javac.classpath}
-javac.source=1.7
-javac.target=1.7
+javac.source=1.6
+javac.target=1.6
 javac.test.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}
@@ -53,6 +55,15 @@ javadoc.splitindex=true
 javadoc.use=true
 javadoc.version=false
 javadoc.windowtitle=
+jnlp.codebase.type=no.codebase
+jnlp.descriptor=application
+jnlp.enabled=false
+jnlp.mixed.code=default
+jnlp.offline-allowed=false
+jnlp.signed=false
+jnlp.signing=
+jnlp.signing.alias=
+jnlp.signing.keystore=
 main.class=com.annimon.socketfiletransfer.Main
 manifest.file=manifest.mf
 meta.inf.dir=${src.dir}/META-INF