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CSC 175: Data Communication and Networks, Spring 2020

Dr. Chuck C. Liang
Professor of Computer Science, Hofstra University .

Office Address:
201A Adams Hall
Hofstra University
Hempstead, NY 11550
Office Phone: (516 463) 5559

Email: (<- click to send me mail)

Office Hours: Check ZOOM OFFICE HOURS folder on blackboard page, email me for hours if you're not in this class with me

The Underground Web

Course Syllabus
Goals and Objectives

Online Resources:

Linux Installation Instructions. (RELOAD FOR UPDATES)
Post-installation assignment (https installation).
Thincrust secure webserver (underground web)
Lab and HW assignment 1
C program checking if an ip address belonged to a network (improved)
Routing Workshop and assignment. Includes homework from Chap. 3
Packet filtering lab and assignment, now with sample solutions>
Chapter 5 homework
TCP Client Programming Assignment, with SAPMP server code in java and in c (and rust)
Second Programming Assignment: TTPAP, with support programs for Feistel Cipher and utility functions, and extra keys poulet.key, dinde.key, jambon.key
(crypt routines in
C and Rust, and authentication server in Rust )

UDP socket assignment (includes server code in Java, C version here)

Optional Firewall Piercing Negotiator assignment.
Test with client code in java.

Sample Socket Programs and Related Notes:


Final Exam Monday 5/11, 4-6pm on Zoom. Use the exam study guide with practice problems and sample solutions.
Sample solutions to Chapter 5 homework and some iptables -t nat questions.

Midterm Exam Monday 3/30. Use the exam study guide, which contains sample problems and solutions (and may be updated). Sample solutions to Ch. 2,3 homeworks are now available.

Read the textbook:
chapter 1: sections 1.1-1.3
chapter 2: sections 2.1-2.4, 2.6, 2.7.1 Pay special attention to 2.6
chapter 3: sections 3.2-3.3
chapter 4: section 4.1
chapter 5: sections 5.1, 5.2, 5.4. Pay special attention to 5.2, which is the most important section in the book.
chapter 6: sections 6.1, 6.3
chapter 8: sections 8.1-8.3, especially 8.3
chapter 9: section 9.3, especially 9.3.1