原文链接:http://blog.csdn.net/hjun01/article/details/42032841 OAuth 2.0 for Web Server Applications, verifying a user's Android in-app subscription 在写本文之前先说些题外话. 前段时间游戏急于在GoolePlay上线,明知道如果不加Auth2.0的校验是不安全的还是暂时略过了这一步,果然没几天就发现后台记录与玩家实际付费不太一致,怀疑有玩家盗刷
作用: Nscd is a daemon that provides a cache for the most common name service requests 可以缓存passwd,group,hosts,services,netgroup,其中如果用于缓存dns配置如下 enable-cache hosts yes positive-time-to-live hosts 3600 negative-time-to-live hosts 20 suggested-size hosts