Reporter: Peiven Cheng

Advisor: Chu-Sing Yang

Date: 2011-12-15

Project 5 NAT ServerProject 6 VPN Server

1 NCKU EECS ITLab

Introduction作業目的

讓同學瞭解一個網路架構中的 NAT Server以及 VPN Server所扮演的角色並實作之。

作業需求實作於 Testbed上架設此兩 Server，並於拓樸中以

Client的角度使用此二 Server。

作業期限12 月 28日前 23:59寄至

NCKU EECS ITLab2

Scenario

NCKU EECS ITLab3

ExperimentsProject 5

node1 can access the webpage on HttpServer through NAT Server.Use tcpdump to inspect the packets flow on NAT Server.

Project 6HttpServer set firewalls to allow only connections from 10.1.2.1.node2 can access the webpage on HttpServer through VPN Server.Use tcpdump to inspect the packet flow on VPN Server

NCKU EECS ITLab4

Requirements Show the process of your experiments.(60%)Discussion(40%)

What are the differences between VPN Server and NAT Server?

What are the differences of the packet flow you inspected between VPN Server and NAT Server?

In what condition, network manager need to setup this two servers? (Describe each)

NCKU EECS ITLab5

Thank You!

6 NCKU EECS ITLab