拉取项目失败是为什么?

$ git clone http://dev.git.visabao.com/Front_Development_Group/HFive_For_Bank_Services.git
Cloning into 'HFive_For_Bank_Services'...
fatal: unable to access 'http://dev.git.visabao.com/Front_Development_Group/HFive_For_Bank_Services.git/': Failed to connect to dev.git.visabao.com port 80: Timed out

权限不够,连接超时,