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UNIX Network Services Administration

I.     Course Prefix/Number: CIS 238

       Course Name: UNIX Network Services Administration

       Credits: 3 (3 lecture; 1 lab)

II.    Prerequisite

Recommended: CIS 228 or comparable knowledge.

III.   Course (Catalog) Description

Course covers UNIX network services and administration using the LINUX operating system. Content includes: network technology and terms; TCP/IP installation and configuration; network hardware installation; secure INETD “super daemon” installation and TCPD wrappers; configuration of network services - Domain Name Services (DNS); DHCP; Apache (Web server); SMTP/SENDMAIL; File Transfer Protocol (FTP) server; Network File Server (NFS); SAMBA (Windows Network Server); Secure Shell (SSH); Secure Socket Layer; firewalls and packet filters; and packet sniffers and intrusion detections systems. Credit cannot be received in both CIS 238 and CNS 238.

IV.   Learning Objectives

Upon completion of this course the student will be able to:
  1. Understand basic networking technology and terminology
  2. Perform LINUX network hardware installation and configuration.
  3. Understand basic TCP/IP technology and terminology in a LAN/WAN network.
  4. Install LINUX/UNIX INETD Internet services “super daemon” in a secure fashion.
  5. Install and configure basic Internet services: DNS, DHCP, HTTP (Apache/Web), FTP, SMTP/Sendmail, IMAP/POP3, TELNET, UNIX Printing Services (LPR/LPD).
  6. Install and configure LINUX LAN network services:  SAMBA (Windows server), NWE (Netware), Network File System (NFS).
  7. Secure network services via configuration options.
  8. Secure networks and servers using TCPD Wrappers, packer filters and firewalls.
  9. Install network utilities for packet filters, intrusion detection systems, packet sniffers, port mappers.
  10. Encryption services: VPN, IPSEC, Secure Shell (SSH), Secure Socket Layer (SSL), Certificate Services.
  11. Secure network and server installation practices and procedures.

V.    Academic Integrity

Students and employees at Oakton Community College are required to demonstrate academic integrity and follow Oakton's Code of Academic Conduct. This code prohibits:

• cheating,
• plagiarism (turning in work not written by you, or lacking proper citation),
• falsification and fabrication (lying or distorting the truth),
• helping others to cheat,
• unauthorized changes on official documents,
• pretending to be someone else or having someone else pretend to be you,
• making or accepting bribes, special favors, or threats, and
• any other behavior that violates academic integrity.

There are serious consequences to violations of the academic integrity policy. Oakton's policies and procedures provide students a fair hearing if a complaint is made against you. If you are found to have violated the policy, the minimum penalty is failure on the assignment and, a disciplinary record will be established and kept on file in the office of the Vice President for Student Affairs for a period of 3 years.
Details of the Code of Academic Conduct can be found in the Student Handbook.

VI.   Sequence of Topics

A.    Internet Protocols, Services, Concepts and Utilities
    1.    TCP/IP concepts and implementation
    2.    Internet tools: Route, finger, nslookup, netstat, traceroute
    3.    Internet applications: Telnet, FTP, DNS, Routing, SMTP, HTTP, LPR/LPD
B.    LINUX Network Components
    1.    Connecting to Networks: Network Interface Card installation, chkconfig
    2.    XINETD Services, XINETD Daemon Installation, /etc/services
    3.    Securing XINETD services, TCPD wrappers
C.    DHCP Overview
    1.    Installing and configuring a DHCP server
D.    Basic connectivity services
    1.    FTP Server (authenticated and anonymous)
    2.    TELNET Server
    3.    UNIX Printing: LPR, LPD
E.    Domain Name Service (DNS) Basics
    1.    Client-side (resolver) DNS setup
    2.    Server-side DNS setup, Berkeley Internet Name Daemon (BIND)
    3.    Configuration DNS File Basics: CONF file, Zone Files, Main Record Types
    4.    Delegating Subdomains, Caching-only Name Server
    5.    BIND Utilities: NSLOOKUP, DIG
F.    Web server basics
    1.    Web Browsers
    2.    Apache installation and configuration
    3.    Virtual Hosts, Apache Namespace Configuration
    4.    CGI
G.    Internet E-Mail, SMTP
    1.    E-Mail basics: MTA, MUA, SMTP, POP, IMAP
    2.    M4 Macro process
    3.    SENDMAIL installation and configuration
    4.    SENDMAIL files and directories
H.    Windows Networking Basics (SAMBA)
    1.    NETBIOS technology and terminology, SMB, Domains, WINS
    2.    SAMBA Installation and configuration
    3.    File and directory sharing
    4.    Authentication methods
    5.    SAMBA tools: smbclient, nmblookup, smbmount
I.    Network File System (NFS)
    1.    NFS Client setup
    2.    NFS Server installation and configuration
    3.    NFS file and directory sharing
J.    Securing Networks
    1.    "Promiscuous" mode adapters
    2.    Packet Filtering – IPCHAINS
    3.    Chain Operations: Rule targets, Matching
    4.    Network Address Translation, Masquerading
    5.    Firewalls: IPTABLES
    6.    Intrusion Detection: SNORT, Port Mappers (NMAP), Packet “sniffers”
K.    Securing Data
    1.    Encryption basics: Public/Private Key, Session Key
    2.    Secure Shell  (SSH): Client tools - SSH, SFTP
    3.    Secure Shell (SSH) Server
    4.    Secure Socket Layer (SSL), Certificates, WEB and FTP Servers

VII.  Methods of Instruction

Methods include lecture, class exercises and discussion, hands on lab exercises and projects.
Course may be taught as face-to-face, media-based, hybrid or online course.

VIII. Course Practices Required

Read textbook and assigned journal articles prior to assigned date.  Attendance and participation in class lectures and labs is expected.  Completion of lab assignments, quizzes, and the final exams is required.

IX.   Instructional Materials

Note: Current textbook information for each course and section is available on Oakton's Schedule of Classes.

X.    Methods of Evaluating Student Progress

Lab assignments, quizzes, and a final exam

XI.   Other Course Information



If you have a documented learning, psychological, or physical disability you may be entitled to reasonable academic accommodations or services. To request accommodations or services, contact the Access and Disability Resource Center at the Des Plaines or Skokie campus. All students are expected to fulfill essential course requirements. The College will not waive any essential skill or requirement of a course or degree program.