exterior attack

The security aim of E-Government Affairs is to prevent all kinds of intrusion and attack, access without authorization, imitation, juggle, disavowal from exterior and inside.

电子政务系统的安全目标是防止来自外部和内部的各种入侵和攻击，防止非授权的访问，防止各种冒充、篡改和抵赖等行为，防止信息泄密和被破坏。

Intrusion Prevention System has the advantages and functions of the firewall and the Intrusion Detection System IDS and provides the users with all-sided and deep level embedded safe protection system. It can not only discover the malicious attack but also prevent exterior attack initiatively.

入侵防御系统IPS集防火墙和入侵检测系统IDS的优点和功能于一身，为用户提供嵌入式全面而深层次的安全防护体系，它不仅能够发现恶意攻击，而且还能主动地阻止外部攻击。

When the enemy launches a converging attack, he is on the offensive and operating on exterior lines, while we are on the defensive and operating on interior lines. OFFENCE WITHIN DEFENCE, QUICK DECISIONS WITHIN A PROTRACTED WAR, EXTERIOR LINES WITHIN INTERIOR LINES

这时，敌是进攻和外线作战，我是防御和内线作战。防御中的进攻，持久中的速决，内线中的外线

The intrusion detection is a reasonable supplement to the traditional measures, such as firewall, data encryption, which can provide real-time protection against the internal attack, exterior attack and the misoperation.

入侵检测是防火墙、数据加密等传统安全保护措施的合理补充，提供对内部攻击、外部攻击和误操作的实时保护。