vectors can be cached in the access vector cache or stored with the object so that the object managers don t have to flood the security server with requests for decisions that have already been performed pub扩展名的同名文件。您需要确保使私钥是安全的,否则,任何人都可以使用您的私钥和密码短语伪装成您通过openssh隧道进入服务器。