1. Data Communications and Networking COMP 2330 Laboratory 1 Mr. Kaiyong Zhao Please sign your name with your attendance

2. Self Introduction Kaiyong( 开勇 ) Zhao( 赵 ) Email: kyzhao@comp.hkbu.edu.hk@comp.hkbu.edu.hk Tel : 3411-7085 Office: RRS 720 If you have any problem, feel free to contact me

3. Hints Print the lab sheetlab sheet Attendance record Experience Useful helper –Google/Yahoo/Baidu –Wiki –Forum/Group In “telnet”, try to use “Delete” instead of “backspace”

4. 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

5. 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