不加保护 meaning in English

expose

Unprotected vertical opening
不加保护的垂直开口
All too often , web applications are deployed with some degree of security home - grown or websphere application server - based at the servlet layer , but the other layers that are part of the application are left unsecured
我们常常将web应用程序以一定程度的安全性（自制的或者基于websphere application server ）部署在servlet层，但是对作为应用程序的一部分的其他层却不加保护。