For defending denial of service attack and ports scanning, we adopt corresponding measures in network layer and transport layer.
2
如何辨别防御与攻击和增强网络安全已成为网络运营商和技术管理人员、甚至普通网络用户研究的问题。
Howdistinguishes defense and attack and enhancing network security are the questions researched by network operation businessmen and technical management personnel, even ordinary network users.