【摘要】 端口扫描是Internet正常工作所需要的技术,也是网络安全课题可能遇到的第一道关口。本文介绍了几种常用的端口扫描技术,以及由此发展出的几种对安全构成威胁的扫描技术、它们的实现原理、实施过程和特点。更多还原

【Abstract】 Port scan is a kind of technique needed for Internet, and possibly the threshold of Internet security . This paper describes several techniques usually used in port scan , their development that may be threat to security , and principles and procedures of their implementation .更多还原