diff --git a/build.xml b/build.xml
index c646d08c..4d85f52c 100644
--- a/build.xml
+++ b/build.xml
@@ -209,8 +209,9 @@
 			<javaproperty name="application.deployment" value="app" />
 			<javaproperty name="unixfs" value="false" />
 			<javaproperty name="useExtendedFileAttributes" value="true" />
+			<javaproperty name="java.net.useSystemProxies" value="true" />
 			<javaproperty name="sun.net.client.defaultConnectTimeout" value="10000" />
-			<javaproperty name="sun.net.client.defaultReadTimeout" value="60000" />
+			<javaproperty name="sun.net.client.defaultReadTimeout"    value="60000" />
 		</jarbundler>
 
 		<!-- shell scripts -->
diff --git a/installer/appbundle/filebot b/installer/appbundle/filebot
index 86e75f58..73220d7d 100644
--- a/installer/appbundle/filebot
+++ b/installer/appbundle/filebot
@@ -4,4 +4,4 @@ while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
 dir_bin="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
 
 dir_app=$dir_bin/../Resources/Java
-java -Xmx256m -Djava.awt.headless=true -Dunixfs=false -DuseExtendedFileAttributes=true -Dapplication.deployment=app "-Djna.library.path=$dir_app" "-Djava.library.path=$dir_app" -Dsun.net.client.defaultConnectTimeout=5000 -Dsun.net.client.defaultReadTimeout=25000 -jar "$dir_app/FileBot.jar" "$@"
+java -Xmx256m -Djava.awt.headless=true -Dunixfs=false -DuseExtendedFileAttributes=true -Djava.net.useSystemProxies=true -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Dapplication.deployment=app "-Djna.library.path=$dir_app" "-Djava.library.path=$dir_app" -jar "$dir_app/FileBot.jar" "$@"
diff --git a/installer/deb/filebot.sh b/installer/deb/filebot.sh
index 6ed20d00..fb247606 100644
--- a/installer/deb/filebot.sh
+++ b/installer/deb/filebot.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-java -Xmx256m -Dunixfs=false -DuseExtendedFileAttributes=true -Dapplication.deployment=deb -Dapplication.dir=$HOME/.filebot -Djava.io.tmpdir=$HOME/.filebot/temp -Djna.library.path=/usr/share/filebot -Djava.library.path=/usr/share/filebot -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -jar /usr/share/filebot/FileBot.jar "$@"
+java -Xmx256m -Dunixfs=false -DuseExtendedFileAttributes=true -Djava.net.useSystemProxies=true -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Dapplication.deployment=deb -Dapplication.dir=$HOME/.filebot -Djava.io.tmpdir=$HOME/.filebot/temp -Djna.library.path=/usr/share/filebot -Djava.library.path=/usr/share/filebot -jar /usr/share/filebot/FileBot.jar "$@"
diff --git a/installer/ipkg/filebot.sh b/installer/ipkg/filebot.sh
index 8051e24b..8be998d6 100644
--- a/installer/ipkg/filebot.sh
+++ b/installer/ipkg/filebot.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-java -Dunixfs=false -DuseExtendedFileAttributes=true -Dapplication.deployment=ipkg -Dapplication.dir=$HOME/.filebot -Djava.io.tmpdir=$HOME/.filebot/temp -Djna.library.path=/usr/share/filebot -Djava.library.path=/usr/share/filebot -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -jar /usr/share/filebot/FileBot.jar "$@"
\ No newline at end of file
+java -Dunixfs=false -DuseExtendedFileAttributes=true -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Dapplication.deployment=ipkg -Dapplication.dir=$HOME/.filebot -Djava.io.tmpdir=$HOME/.filebot/temp -Djna.library.path=/usr/share/filebot -Djava.library.path=/usr/share/filebot -jar /usr/share/filebot/FileBot.jar "$@"
\ No newline at end of file
diff --git a/installer/msi/filebot.launcher.l4j.ini b/installer/msi/filebot.launcher.l4j.ini
index a6848e2c..81b8c8f1 100644
--- a/installer/msi/filebot.launcher.l4j.ini
+++ b/installer/msi/filebot.launcher.l4j.ini
@@ -2,9 +2,10 @@
 -Dapplication.deployment=msi
 -Dapplication.dir="%APPDATA%\FileBot"
 
-# proxy settings
-# -Dhttp.proxyHost=localhost 
-# -Dhttp.proxyPort=8888
+# network settings
+-Djava.net.useSystemProxies=true
+-Dsun.net.client.defaultConnectTimeout=10000
+-Dsun.net.client.defaultReadTimeout=60000
 
 # disable analytics
 # -no-analytics
@@ -18,10 +19,6 @@
 # memory settings
 -Xmx256m
 
-# http connection timeouts
--Dsun.net.client.defaultConnectTimeout=10000
--Dsun.net.client.defaultReadTimeout=60000
-
 # look for native libs here
 -Djna.library.path="%EXEDIR%"
 -Djava.library.path="%EXEDIR%"
diff --git a/installer/msi/filebot.platform.launcher.l4j.ini b/installer/msi/filebot.platform.launcher.l4j.ini
index 96fdee80..d26f13a2 100644
--- a/installer/msi/filebot.platform.launcher.l4j.ini
+++ b/installer/msi/filebot.platform.launcher.l4j.ini
@@ -6,9 +6,10 @@
 -DthreadPool=8
 -Dunixfs=false
 
-# proxy settings
-# -Dhttp.proxyHost=localhost 
-# -Dhttp.proxyPort=8888
+# network settings
+-Djava.net.useSystemProxies=true
+-Dsun.net.client.defaultConnectTimeout=10000
+-Dsun.net.client.defaultReadTimeout=60000
 
 # disable analytics
 # -no-analytics
@@ -23,10 +24,6 @@
 -Xms64m
 -Xmx512m
 
-# http connection timeouts
--Dsun.net.client.defaultConnectTimeout=10000
--Dsun.net.client.defaultReadTimeout=60000
-
 # look for native libs here
 -Djna.library.path="%EXEDIR%"
 -Djava.library.path="%EXEDIR%"
diff --git a/installer/portable/FileBot.l4j.ini b/installer/portable/FileBot.l4j.ini
index 7c3bea9b..b7a12a3b 100644
--- a/installer/portable/FileBot.l4j.ini
+++ b/installer/portable/FileBot.l4j.ini
@@ -3,9 +3,10 @@
 -Dapplication.dir="%EXEDIR%"
 -Duser.home="%EXEDIR%"
 
-# proxy settings
-# -Dhttp.proxyHost=localhost 
-# -Dhttp.proxyPort=8888
+# network settings
+-Djava.net.useSystemProxies=true
+-Dsun.net.client.defaultConnectTimeout=10000
+-Dsun.net.client.defaultReadTimeout=60000
 
 # disable analytics
 # -no-analytics
@@ -19,10 +20,6 @@
 # memory settings
 -Xmx256m
 
-# http connection timeouts
--Dsun.net.client.defaultConnectTimeout=10000
--Dsun.net.client.defaultReadTimeout=60000
-
 # put all temporary files here
 -Djava.io.tmpdir="%EXEDIR%/temp"
 
diff --git a/installer/portable/filebot.cmd b/installer/portable/filebot.cmd
index 7c298bca..63ef19ca 100644
--- a/installer/portable/filebot.cmd
+++ b/installer/portable/filebot.cmd
@@ -1,2 +1,2 @@
 @ECHO OFF
-java -Xmx256m -Dapplication.deployment=portable "-Dapplication.dir=%~dp0." "-Duser.home=%~dp0."  "-Djava.io.tmpdir=%~dp0temp" "-Djna.library.path=%~dp0." "-Djava.library.path=%~dp0." -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djava.util.prefs.PreferencesFactory=net.sourceforge.tuned.prefs.FilePreferencesFactory "-Dnet.sourceforge.tuned.prefs.file=%~dp0prefs.properties" -jar "%~dp0FileBot.jar" %*
\ No newline at end of file
+java -Xmx256m -Djava.net.useSystemProxies=true -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Dapplication.deployment=portable "-Dapplication.dir=%~dp0." "-Duser.home=%~dp0."  "-Djava.io.tmpdir=%~dp0temp" "-Djna.library.path=%~dp0." "-Djava.library.path=%~dp0." -Djava.util.prefs.PreferencesFactory=net.sourceforge.tuned.prefs.FilePreferencesFactory "-Dnet.sourceforge.tuned.prefs.file=%~dp0prefs.properties" -jar "%~dp0FileBot.jar" %*
\ No newline at end of file
diff --git a/installer/portable/filebot.sh b/installer/portable/filebot.sh
index 33e28975..b1dc7583 100644
--- a/installer/portable/filebot.sh
+++ b/installer/portable/filebot.sh
@@ -3,4 +3,4 @@ SOURCE="${BASH_SOURCE[0]}"
 while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
 dir_bin="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
 
-java -Xmx256m -Dunixfs=false -DuseExtendedFileAttributes=true -Dapplication.deployment=portable "-Dapplication.dir=$dir_bin" "-Djava.io.tmpdir=$dir_bin/temp" "-Duser.home=$dir_bin" "-Djna.library.path=$dir_bin" "-Djava.library.path=$dir_bin" -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Djava.util.prefs.PreferencesFactory=net.sourceforge.tuned.prefs.FilePreferencesFactory -Dnet.sourceforge.tuned.prefs.file=prefs.properties -jar "$dir_bin/FileBot.jar" "$@"
\ No newline at end of file
+java -Xmx256m -Dunixfs=false -DuseExtendedFileAttributes=true -Djava.net.useSystemProxies=true -Dsun.net.client.defaultConnectTimeout=10000 -Dsun.net.client.defaultReadTimeout=60000 -Dapplication.deployment=portable "-Dapplication.dir=$dir_bin" "-Djava.io.tmpdir=$dir_bin/temp" "-Duser.home=$dir_bin" "-Djna.library.path=$dir_bin" "-Djava.library.path=$dir_bin" -Djava.util.prefs.PreferencesFactory=net.sourceforge.tuned.prefs.FilePreferencesFactory -Dnet.sourceforge.tuned.prefs.file=prefs.properties -jar "$dir_bin/FileBot.jar" "$@"
\ No newline at end of file
diff --git a/installer/webstart/filebot.jnlp b/installer/webstart/filebot.jnlp
index 629d4c27..7c2b6e55 100644
--- a/installer/webstart/filebot.jnlp
+++ b/installer/webstart/filebot.jnlp
@@ -24,10 +24,14 @@
 	<resources>
 		<property name="application.deployment"    value="webstart" />
 		<property name="application.update"        value="skip"     />
-		<property name="useExtendedFileAttributes" value="true"     />
-		<property name="useNativeShell"            value="false"    />
 		<property name="unixfs"                    value="false"    />
-						
+		<property name="useNativeShell"            value="false"    />
+		<property name="useExtendedFileAttributes" value="true"     />
+		<property name="java.net.useSystemProxies" value="true"     />
+		<property name="sun.net.client.defaultConnectTimeout" value="10000" />
+		<property name="sun.net.client.defaultReadTimeout"    value="60000" />
+		
+		
 		<java version="1.6+" max-heap-size="256m" />
 		<property name="jnlp.packEnabled"       value="true" />