修改hosts文件去youku广告
windows: c:\windows\system32\drivers\etc\hosts
linux(ubuntu): /etc/hosts
==============================================================
127.0.0.1 atm.youku.com
127.0.0.1Fvid.atm.youku.com
127.0.0.1html.atm.youku.com
127.0.0.1valb.atm.youku.com
127.0.0.1valf.atm.youku.com
127.0.0.1valo.atm.youku.com
127.0.0.1valp.atm.youku.com
127.0.0.1lstat.youku.com
127.0.0.1speed.lstat.youku.com
127.0.0.1urchin.lstat.youku.com
127.0.0.1stat.youku.com
127.0.0.1static.lstat.youku.com
127.0.0.1valc.atm.youku.com
127.0.0.1vid.atm.youku.com
127.0.0.1 walp.atm.youku.com