In fact, SSL authenticates only the channels where it is configured and does nothing to prevent users from connecting to any channels left unprotected.

事实上，SSL仅对其配置中的通道进行身份验证，却无法防止用户连接到任何未受保护的通道。

youdao

While the passivation mechanism is helpful in freeing up container resources, it does nothing to prevent a server crash from losing the active state of a stateful session bean.

尽管在释放容器资源方面钝化机制非常有帮助，但是在防止服务器崩溃以避免丢失有状态会话 bean 的活动状态方面却无能为力。

youdao

While Ofcom largely prioritises raids on stations whose signals interfere with the emergency services, this does nothing to prevent the broadcasting of what could be incendiary views - the key issue being debated in Birmingham.

BBC: NEWS | UK | Magazine | Urban pirates

"It does appear that the Welsh government can do nothing really to prevent companies offering these services in Wales, but obviously this is something we are looking very closely at, " she said.

BBC: Wales