Tadinya mau download dari server
muhammad.mufid@ipin:~$ env | grep proxy
http_proxy=http://proxy.ui.ac.id:8080
https_proxy=https://proxy.ui.ac.id:8080
muhammad.mufid@ipin:~$ wget google.com
--2012-09-28 15:28:06-- http://google.com/
Resolving proxy.ui.ac.id... 152.118.24.10, 2403:da00:1:3::a
Connecting to proxy.ui.ac.id|152.118.24.10|:8080... connected.
Proxy request sent, awaiting response... 403 Forbidden
2012-09-28 15:28:06 ERROR 403: Forbidden.
Ternyata sangat aman :)