#ubuntu sudo vim /etc/hosts
#win C:\Windows\System32\drivers\etc
#local application

127.0.0.1 localhost
127.0.0.1 mb.lo
127.0.0.1 spg.lo
127.0.0.1 ub.lo

#block ad domain
127.0.0.1 cpro.baidu.com
127.0.0.1 pos.baidu.com
127.0.0.1 cb.baidu.com
127.0.0.1 cbjs.baidu.com
127.0.0.1 eclick.baidu.com
127.0.0.1 adn.agrantsem.com
127.0.0.1 googleads.g.doubleclick.net
127.0.0.1 cdn.tanx.com