【正文】 .................. 53 防病毒攻擊 .......................................................................................................................................... 53 防止 DOS 攻擊 ........................................................................................................................... 54 防止基于流的攻擊特性 ............................................................................................................. 54 防止病毒的廣播傳遞 ................................................................................................................. 55 6 網(wǎng)絡(luò)入侵檢測 .............................................................................................................................................. 56 入侵檢測系統(tǒng)在外網(wǎng)網(wǎng)絡(luò)的作用 ...................................................................................................... 56 在外網(wǎng)建設(shè)入侵檢測系統(tǒng)的必要性 ......................................................................................... 56 本系統(tǒng)外網(wǎng)絡(luò)入侵檢測產(chǎn)品選型 ...................................................................................................... 59 網(wǎng)絡(luò)入侵檢測技術(shù)簡介 ............................................................................................................. 59 網(wǎng)絡(luò)入侵檢測技術(shù)分析 ............................................................................................................. 60 網(wǎng)絡(luò)入侵產(chǎn)品選型 ..................................................................................................................... 62 網(wǎng)絡(luò)入侵檢測產(chǎn)品部署 ...................................................................................................................... 65 NetEye IDS 部署建議 .................................................................................................................... 65 NetEye IDS 的集中管理 ................................................................................................................ 66 NetEye IDS 的系統(tǒng)結(jié)構(gòu) ................................................................................................................ 67 NetEye IDS 的配置清單 ................................................................................................................ 67 網(wǎng)絡(luò)入侵檢測產(chǎn)品擴(kuò)展及建議 .......................................................................................................... 68 NetEye IDS 平滑擴(kuò)展 .................................................................................................................... 68 iii NetEye IDS 安全聯(lián)動 .................................................................................................................... 68 NETEYE IDS 優(yōu)勢介紹 ........................................................................................................................ 69 7 網(wǎng)絡(luò)防病毒 .................................................................................................................................................. 72 計(jì)算機(jī)病毒發(fā)展和入侵途徑分析 ...................................................................................................... 72 計(jì)算機(jī)病毒的發(fā)展趨勢 ............................................................................................................. 72 病毒入侵渠道分析 ..................................................................................................................... 73 本系統(tǒng)外網(wǎng)網(wǎng)絡(luò)防病毒技術(shù)要求 ...................................................................................................... 74 網(wǎng)絡(luò)防病毒需求分析 .......................................................................................................................... 76 防病毒解決方案 .................................................................................................................................. 78 設(shè)計(jì)思想 ..................................................................................................................................... 78 防病毒規(guī)劃 ................................................................................................................................. 79 部署產(chǎn)品 ..................................................................................................................................... 79 部署示意 ..................................................................................................................................... 79 部署防病毒系統(tǒng)實(shí)現(xiàn)的效果 ..................................................................................................... 80 網(wǎng)絡(luò)版防毒系統(tǒng)介紹 .......................................................................................................................... 81 網(wǎng)絡(luò)版產(chǎn)品簡介 ......................................................................................................................... 81 網(wǎng)絡(luò)版系統(tǒng)需求 ......................................................................................................................... 82 網(wǎng)絡(luò)版部署方式 ......................................................................................................................... 83 網(wǎng)絡(luò)版管理方式 ......................................................................................................................... 84 網(wǎng)絡(luò)版升級方式 ......................................................................................................................... 84 網(wǎng)絡(luò)版功能特色 ......................................................................................................................... 84 8 設(shè)備安裝場地及環(huán)境要求 .......................................................................................................................... 92 機(jī)房的選址建議要求 .......................................................................................................................... 92 機(jī)房的建筑建議要求 .......................................................................................................................... 92 網(wǎng)絡(luò)設(shè)備工作環(huán)境的要求 .................................................................................................................. 93 溫度和濕度要求 ............................