Please Reload Every Time You Read This Page!

CSC 175: Data Communication and Networks, Spring 2009

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

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

Email: cscccl@hofstra.edu (<- click to send me mail)

Official Office Hours: MWF 1-2pm

The Underground Web

Course Syllabus
Goals and Objectives

Online Resources:

• Internet "RFC" standardization documents.
• PPP protocols
• Ethernet frame format
• 802.11 (wifi) Format and tutorial.
• TCP/IP suite of protocols
• Redhat Linux Docs. These docs are still the best available online for Fedora.
• Helpful documents for Linux beginners. Read the Linux Directory Structure link.
• Spanning Tree Protocol. (cisco doc)
• iproute2 utility manual. Explains how to use the Linux commands ip route, ip addr, ip neigh etc ...
• IP Routing Primer - read ALL the parts!
• Linux Advanced Routing Howto (Read at least sections 4 and 5)
• Guide to Linux Network Administration
• Cisco router configuration tutorial
• DNS HOWTO, RFC 1035 on DNS, Redhat DNS configuration.
• Kaminsky's DNS bug.
• Alternative perspectives on the Kaminsky bug
• The Packet Filtering HOWTO. Read this document several times; carry it everywhere you go for a week. Eat and sleep with it. (printable version).
• Network Address Translation HOWTO. This is just as important as the packet filtering howto
• Different types of NAT
• Longer, more advanced iptables tutorial. (Read chapters 6 and 7)
• TCP finite state machine
• Note on active versus passive ftp
• Super Quick Intro to Java programming
• A Short C++ to Java Tutorial
• Java API Documentation

  Linux Installation Notes.
  CD image required for Fedora network installation: 64 bit version
  Post-installation assignment (https).

  Lab and assignment 1. Due Monday 2/23 (firm).
  Routing Workshop and assignment. Includes homework from chapter 4.
  Packet filtering lab and assignment. Due Monday 3/30.

  NAT Lab and assignment (including textbook problems from chapter 5).
  Support programs: udp sender, udp receiver
  For extra credit problem: TCP torture client and server, UDP torture client and server
  

  Sample Programs:
  

  • Basic file IO programs in C, Java and Perl.
  • Skeleton tcp client and server in C
  • Skeleton tcp client and server in Java
  • Skeleton tcp client and server in Perl. (perl programs also require byte ordering routines)
  • Skeleton tcp client and server in Python
  • Simple web server and client in C, and Java (server, client), and Python (server, client). Web client in Perl. (unlike the above, these programs are ascii as opposed to binary oriented).
  • A few other important hints about socket programming.
  • Some Java utilities
  • WWWWW Censored Proxy Server
  • UDP Socket program in Java

  Java installation instructions.

  TCP Client Programming Assignment
  SAPMP server source code.

  Second programming assignment (OVOAP).
  OVOAP trusted authentication server code. (multi-threaded version)
  Extra key and perm for experimentation: pseudo.key, pseudo.perm. (do not download as text!- select "save link as")

  Extra programming assignment 1
  Extra programming assignment 2.

  ---

  Announcements:

  Last day of class is Wednesday May 6th. All assignments due on this day.

  Final exam Wednesday 5/13 at 6:15pm in 200 Adams.
  Use the exam study guide, but do not look at the sample solutions to the practice problems until after you've tried to do them. I'll also give you this iptables syntax sheet on the exam.

  Exam Review Session on Monday 5/11, 6-7pm in Adams 019. Bring questions.

  The new external IP address of starbase is now 96.57.41.74 on the network 96.57.41.72/29. Hofstra's network admins are too afraid of us so they kicked us out. The nice thing is that you can now access your machines from outside of Hofstra as well via port mapping.

  Read the textbook:
  chapter 1: sections 1.1-1.3
  chapter 2: sections 2.1-2.4, 2.6, 2.8. Pay special attention to 2.6
  chapter 3: section 3.2
  chapter 4: sections 4.1-4.3
  chapter 5: sections 5.1-5.2 (5.2 is the most important section of the whole book)
  chapter 6: sections 6.1, 6.3
  chapter 8: all sections, especially 8.2-8.3
  chapter 9: section 9.1, especially 9.1.3 (DNS)