The photos blow are taken in Jan 2003, May 2000, Sep 2003 and Oct 2003, respectively.
I start to make my homepages since I was freshman. There are still photos in the pages.
1st
version: freshman
2nd version: junior
3th version: senior
4th version: master
Currently I am going to pursue a Ph.D. degree in the Department of Electrical & Computer Engineering, University of Maryland, College Park this fall.
I was born in PingTung, the
southern
I started play computers since 8086/8087, the primitive PC processor of Intel, with DOS version 3.21. I've little memory on Apple 8-bit processors because that at that time, I can only play games on them but no program. What I think the miracle is the Next Cube, which archived so great high technologies on Graphic User Interface (GUI) and Multimedia. When I was freshman, I did use it in the computer center in my department. All is great, except its performance, that it's too slow. When I was a senior high school student, I had the change to use IBM workstation run by the AIX operating system. The first attractive toys of AIX is the TALK/WRITE utilities. They made me communicate with others by typing words.
I have many good friends. Mostly they are my friends from
About my family, my mother was a history teacher. She is also my junior high school teacher. She tells stories in the class, and I love it. She bought a lot of books for me and my sister. That's why I can keep learning, reading and thing all the time. Father was a Telecommunication engineer. My older sister is a teacher of Math. Her daughter is quite a beauty (see the photo blow).

I am always accessible via the Internet.
Ph.D. student(2004 fall-unknown), Department of Electrical & Computer Engineering
M.S. (2001 ) and B.S. (1999), Dep. of Computer Science & Information Engineering
M.S. Thesis Abstract:
To detect distributed denial of service and distributed scanning attacks, we propose Anomaly Dispersion Scheme (ADS). Observing the creation of packet fields in attack programs and normal programs, ADS monitors the distributions of packet fields, which alter when the attack programs using raw socket interface partake in, to detect intrusion. The sets of anomaly packet fields are attack signatures. ADS is a combination of compiler and network protocol concepts. It gives the network intrusion detection problem another view from the generating of network packet fields. The short and enhanced version of the thesis is available as the first paper followed.
Understruction! I have attend much more performances than what is shown blow.
Handel's 'Messiah', National Concert Hall, Nov 2000
Traver is a professor with
Verdi's Opera 'Rigoletto',
Taipei Da-An Forest Park, May 2000
Taipei Symphony Orchestra(TSO) have routine opera performances every year. And
Chorus of Taipei Symphony Orchestra sometimes assist
TSO to perform the chorus part. This performance is the first one played outdoor.
Carl Orff's 'Carmini
Burana' and Mendelssohn's 'Elijah', National
Concert Hall, July 1998
1. Engineer of Leadtime Technology for firewall products, 2002
2. Consultant of Primestar Technology Corporation for windows system programming and DSP code porting, 1999-2002
3. Technical staff of Government Service Network-CERT/CC,
4. 2nd lieutenant (for compulsory military service) in
5. Intern in Formosoft, Acer Group, 1998
6. TA for courses of operation systems (undergraduate level), network security (graduate level), and computer security practices (graduate level)
1. Chang-Han Jong, Shiuh-Pyng
Shieh, ¡§Detecting Distributed DoS/Scanning
by Anomaly Dispersion of Packet Fields,¡¨ International Computer
2. Shun-Lee Chang, Shiuh-Pyng Shieh, Chang-Han Jong, "A Security Testing
System for Vulnerability Detection," Journal of Computers,
3. Chang-Han Jong, Shiuh-Pyng
Shieh, Fu-Yuan Lee, "Protecting Computer Systems
on the Internet¡XClustering Remote Vulnerability Scanner and Auto Patching
Systems, "
4. Chang-Han Jong, Ng Joo Kok, ¡§Two Approaches to Solve IP Conflict Problem in Network Address Translation Environment, ¡§ Technical Report, 2000