【正文】 .................................................................46 入侵檢測功能 .......................................................................................................................46ii / 109 會話記錄、攔截功能 ............................................................................................................47 防止網(wǎng)絡(luò)濫用 .......................................................................................................................49 活動代碼和病毒防護(hù) ...........................................................................................................50 與其它安全產(chǎn)品集成與配合 ...............................................................................................50 集中管理 ...............................................................................................................................50 特性 52 ETRUST ANTIVIRUS ..................................................................................................................56 產(chǎn)品概述 ..........................................................................................................................56 結(jié)構(gòu)及工作原理 ..............................................................................................................57 產(chǎn)品功能特性 ..................................................................................................................60 ETRUST VPN..............................................................................................................................66 基本概念 ..........................................................................................................................66 部署方式 ..........................................................................................................................69 Intra 模式 ...............................................................................................................................69 遠(yuǎn)程訪問模式 .......................................................................................................................70 使用網(wǎng)關(guān)服務(wù)器的遠(yuǎn)程訪問模式 .......................................................................................71 外部網(wǎng)模式 ...........................................................................................................................72 功能和特點 ......................................................................................................................73 安全策略定義 .......................................................................................................................74 隧道模式 ...............................................................................................................................74 路由、網(wǎng)關(guān) 選項 ....................................................................................................................75 對網(wǎng)絡(luò)服務(wù)端口的保護(hù) .......................................................................................................76 用戶認(rèn)證 ...............................................................................................................................765. ETRUST 系統(tǒng)安全 ......................................................................................................................79 ETRUST ACCESS CONTROL.........................................................................................................79 操作系統(tǒng)的安全性 ..........................................................................................................79 功能描述 ..........................................................................................................................83 用戶認(rèn)證 ...............................................................................................................................83 口令質(zhì)量控制 .......................................................................................................................85 訪問控制 ...............................................................................................................................87 保護(hù)目錄和文件 ...................................................................................................................90 保護(hù)特權(quán)程序 .......................................................................................................................91 保護(hù)進(jìn)程 ...............................................................................................................................93 保護(hù) SURROGATE..............................................................................................................93 保護(hù)網(wǎng)絡(luò)連接 .......................................................................................................................94 取消“超級用戶” ...................................................................................................................94 讓普通用戶具有超級用戶的某些能力 ...............................................................................96 審計 97 對 Windows NT 的保護(hù) .......................................................................................................98 特點和優(yōu)勢 ....................................................................................................................100 防止堆棧溢出型攻擊 .........................................................................................................100 強大的功能 .........................................................................................................................102iii / 109 易管理性 .............................................................................................................................102 自我保護(hù)能力 .....................................................................................................................103 ETRUST AUDIT .........................................................................................................................104 企業(yè)信息安全對審計的需要 ........................................................................................104 eTrust Audit ..........................................................................