Copyright © IWA-China 2001 V1.1
网络级
E-mail
扫描
.........................................................................................................84
访问控制方法
..................................................................................................................84
配置
SMTP
服务器的验证功能
......................................................................................84
测试和评估..............................................................................................................................87
测试已存在的系统
..........................................................................................................87
实施一个新的系统
..........................................................................................................88
安全测试软件
..................................................................................................................88
第七章 防火墙基础.........................................................................................90
防火墙技术现状......................................................................................................................91
防火墙的定义和描述..............................................................................................................91
防火墙的任务..........................................................................................................................92
实现一个公司的安全策略
..............................................................................................92
创建一个阻塞点
..............................................................................................................92
记录
Internet
活动
...........................................................................................................92
限制网络暴露
..................................................................................................................93
防火墙术语..............................................................................................................................93
网关
..................................................................................................................................93
电路级网关
......................................................................................................................93
应用级网关
......................................................................................................................93
包过滤
..............................................................................................................................94
代理服务器
......................................................................................................................94
网络地址翻译(
NAT
)
..................................................................................................94
堡垒主机
..........................................................................................................................94
强化操作系统
..................................................................................................................95
非军事化区域(DMZ) ..............................................................................................................95
筛选路由器
......................................................................................................................95
阻塞路由器
......................................................................................................................95
防火墙默认的配置
..........................................................................................................96
包 过 滤..................................................................................................................................96
规则和字段
......................................................................................................................96
包过滤的优点和缺点..............................................................................................................98
状态多层检测(
stateful multi-layer inspection
)
..........................................................98
代理服务器..............................................................................................................................99
WEB 代理................................................................................................................................99
电路级网关..............................................................................................................................99
优点和缺点
....................................................................................................................100
应用级网关............................................................................................................................100
代理服务器的优点
........................................................................................................101
代理服务器(应用级网关)
........................................................................................102
防火墙的一些高级特性........................................................................................................103
认 证
............................................................................................................................103