set gconf proxy

[bufferoverflow]

setup gconf settings:
.gconf/system/http_proxy/%gconf.xml

<?xml version="1.0"?>
<gconf>
        <entry name="use_http_proxy" mtime="1388965400" type="bool" value="true"/>
        <entry name="use_authentication" mtime="1388965181" type="bool" value="false"/>
        <entry name="port" mtime="1388965145" type="string">
                <stringvalue>3128</stringvalue>
        </entry>
        <entry name="host" mtime="1388965135" type="string">
                <stringvalue>127.0.0.1</stringvalue>
        </entry>
</gconf>