Data Communications and Networking COMP 2330

Laboratory 1

Mr. Kaiyong Zhao

Please sign your name with your attendance

Self Introduction

Kaiyong(开勇 ) Zhao( 赵 )Email: kyzhao@comp.hkbu.edu.hk

Tel : 3411-7085

Office: RRS 720

If you have any problem, feel free to contact me

Hints

• Print the lab sheet • Attendance record• Experience• Useful helper

– Google/Yahoo/Baidu– Wiki– Forum/Group

• In “telnet”, try to use “Delete” instead of “backspace”

Outline

• Protocol– A standard / format

• HTTP (Hypertext transfer protocol) – It’s very popular and very useful– Most of the websites can be accessed by

HTTP

• SMTP (Simple mail transfer protocol)– Comp dept/ yahoo mail plus / netease mail/– Very very convenient and popular

What will you get?

• Objectives:– know the concept of HTTP and SMTP– use telnet to connect HTTP and SMTP

service

• “Side-effect”– Impersonate Kaiyong to send an email to

Bruce. Lee– Sending spam mails – In Hong Kong, sending spam emails would

constitute a crime