【正文】 1 制作： 學(xué)號 姓名 學(xué)號 姓名 學(xué)號 姓名 指導(dǎo)教師： 完成日期： 2 目錄 1 系統(tǒng)需求分析 ....................................................................................................................................... 4 企業(yè)需求 ..................................................................................................................................... 4 網(wǎng)絡(luò)實(shí)現(xiàn) 功能 .............................................................................................................................. 4 網(wǎng)絡(luò)系統(tǒng)安全分析 ...................................................................................................................... 4 物理層安全風(fēng)險 ................................................................................................................ 4 系統(tǒng)層安全風(fēng)險 ................................................................................................................ 5 網(wǎng)絡(luò)層安全風(fēng)險 ................................................................................................................ 5 數(shù)據(jù)傳輸?shù)陌踩L(fēng)險 ......................................................................................................... 5 病毒的安全風(fēng)險 ................................................................................................................ 5 管理的安全風(fēng)險 ................................................................................................................ 6 企業(yè)網(wǎng)的安全目標(biāo) ...................................................................................................................... 6 網(wǎng)絡(luò)安全策略 .............................................................................................................................. 7 2 網(wǎng)絡(luò)設(shè)計原則 ....................................................................................................................................... 7 3 網(wǎng)絡(luò)安全的方案設(shè)計 ............................................................................................................................. 8 總體設(shè)計方案 .............................................................................................................................. 8 網(wǎng)絡(luò)拓?fù)浞桨冈O(shè)計 ....................................................................................................................... 9 網(wǎng)絡(luò)拓?fù)鋱D設(shè)計 ................................................................................................................. 9 IP 地址分配策略 ................................................................................................................. 9 內(nèi)部網(wǎng)絡(luò) IP 地址分配 ........................................................................................................ 9 外部網(wǎng)絡(luò) IP 地址分配 .......................................................................................................10 4 設(shè)備選型及配置 ...................................................................................................................................10 防火墻 .......................................................................................................................................10 產(chǎn)品概述 ..........................................................................................................................10 配置過程 ........................................................................................................................... 11 路由器 ........................................................................................................................................ 11 產(chǎn)品概述 .......................................................................................................................... 11 配置過程 ..........................................................................................................................12 中心交換機(jī) .................................................................................................................................12 二級交換機(jī) .................................................................................................................................13 入侵檢測系統(tǒng)（ IDS） .................................................................................................................13 產(chǎn)品概述 ..........................................................................................................................13 配置過程 ..........................................................................................................................13 5 服務(wù)器的安裝和配置 ............................................................................................................................14 Web/DNS 服務(wù)器的配置 ..............................................................................................................14 郵件服務(wù)器的配置 .....................................................................................................................14 文件服務(wù)器的配置 .....................................................................................................................15 6 安全管理規(guī)則 .......................................................................................................................................15 使用中的網(wǎng)絡(luò)安全問題 ...............................................................