1 / 13

配置 Internet 访问

配置 Internet 访问. 概述. 接入 Internet 的方式 用 Router 接入 internet 用 NAT 接入 internet. 接入 Internet 的方式. 通过 router 接入 internet 通过防火墙接入 internet 通过 NAT 接入 internet 用 ICS 接入 internet 通过 Proxy Server 接入 internet. Intranet. Internet. Router. 通过 router 接入 internet.

priscilla-boyd
Download Presentation

配置 Internet 访问

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 配置 Internet 访问

  2. 概述 • 接入 Internet的方式 • 用 Router接入internet • 用 NAT接入internet

  3. 接入 Internet的方式 • 通过router接入internet • 通过防火墙接入internet • 通过 NAT接入internet • 用ICS接入internet • 通过 Proxy Server接入internet

  4. Intranet Internet Router 通过router接入internet Connecting Your Network to the Internet by Using a Router: • 最简单的接入Internet的方式 • 必须采用公网IP地址

  5. Firewall Intranet Internet Router 通过防火墙接入internet Securing Internet Connections by Using a Firewall: • 阻止非授权的访问 • 可以定义进出数据包的规则

  6. client 发送数据包到 NAT服务器 通过 NAT接入internet Client Computers Internet Computer Running NATInternal IP = 192.168.1.1External IP = 131.107.2.1 IP = 192.168.1.3 Web ServerIP = 131.107.50.1 IP = 192.168.1.4 • NAT服务器修改IP包头 并将其发送到Iinternet上的Web服务器 • Web服务器发送数据包到NAT服务器 4.NAT服务器修改IP包头 并将其发送到client IP = 192.168.1.5

  7. 用ICS接入internet Connecting to the Internet by Using Internet Connection Sharing: • 最简单的NAT • 用于 small-office and home-office 共享访问 Internet Small-Office or Home-Office Network Internet Internet Connection Sharing

  8. LAN Internet Proxy Server 通过 Proxy Server接入internet Connecting to the Internet by Using a Proxy Server: • 通过Caches 减少网络流量，提高性能

  9. 配置 NAT访问internet • 安装 NAT • 配置 NAT • 安装路由接口

  10. Routing and Remote Access Action View Tree General Interface Type IP Address Administr… Op Routing and Remote Access Loopback Loopback 127.0.0.1 Up Op Server Status Local Area Connector Dedicated 192.168.1.200 Up Op LONDON (local) Routing Interfaces Internal Internal Not available Unknown No Ports Test_demanddial Demand-dial Not available UP Dis AppleTalk Routing IP Routing General New Interface… Static Routes New Routing Protocol… IGMP Networking Show TCP/IP Information Show Multicast Forwarding Table… Show Multicast Statistics IPX Routing Remote Access Policies Remote Access Logging View Refresh Export List… Properties Help 安装 NAT

  11. Network Address Translation (NAT) Properties General Translation Address Assignment Name Resolution Network Address Translation (NAT) Global Event logging: Log errors only Log errors and warnings Log the maximum amount of information Disable event logging OK Cancel Apply 配置 NAT

  12. Routing and Remote Access Action View Tree Network Address Translation (NAT) Interface Total mappings Inbound pack… Routing and Remote Access Server Status LONDON (local) Routing Interfaces Ports New Interface for Network Address Translation (NAT) AppleTalk Routing This routing protocol runs on the interface that you select below IP Routing Interfaces: General Static Routes Local Area Connection IGMP New Interface… Network Address Translation (NAT) IPX Routing Show DHCP Allocator Information Show DNS Proxy Information… Remote Access Policies Remote Access Logging View Delete Refresh Export List… Properties Help OK Cancel 安装路由接口

  13. 复习 • 接入 Internet的方式 • 用 Router接入internet • 用 NAT接入internet

More Related