OPS335 Weekly Schedule

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Fall 2021

Instructors: see OPS335

Note: Each OPS335 instructor will indicate the due dates for labs, tests and assignments. This schedule is a considered to be a general guideline for week-by-week content.

Week Objectives and Tasks Reference Labs
Week 1:
7 - 10 September
 Introduction to OPS335:
  • Outline, policies
  • Assignments, labs, evaluation, email
  • Preparation for OPS335 labs
 Online Reference: Prep for Labs
Week 2:
13 - 17 September		 Basic Networking & Backups:
  • ifconfig & route vs ip; resolv.conf, hostnamectl
  • /etc/sysconfig/network-scripts/
  • Network connection troubleshooting
  • SSH & SSH Keys
  • rsync & cron
 Online Reference: Lab 1: Network/Backup
Week 3:
20 - 24 September		 Packet Filtering Using iptables:
  • What is Packet Filtering
  • iptables Basics
    (Tables, Chains, Targets)
  • iptables Commands & Options
  • iptables Command Examples
  • Saving iptables Settings
 Online Reference: Lab 2a:
Packet Filtering Using iptables
Week 4:
27 September - 1 October		 Network Address Translation /
iptables Best Practices
  • Network Address Translation
    (NAT Table - iptables)
  • Debugging firewall problems:
    • Troubleshooting Procedures
    • Troubleshooting Tools
    • Troubleshooting Exercises
 Online Reference: Lab 2b:
Additional iptables Troubleshooting
Week 5:
4 - 8 October		 Domain Name System (DNS):
  • Address resolution mechanism (zone definitions)
  • DNS server setup
  • Querying Name Servers
  • Reverse DNS lookups
Performing DNS Queries		 Online Reference: Lab 3: DNS
Week 6:
11 - 15 October		 Mail Servers - SMTP
  • Mail Server Elements (MSA/MTA, MUA, MDA, MS, AA, SMTP)
  • Install and using mailx application (MUA)
  • Analyze Email Message Headers
  • Setup Postfix Server (no encryption)
  • Sending Email from VM to Seneca College Mail Account
  • Troubleshooting
 Online Reference: Lab 4a:
Simple Mail Server Setup
Week 6:
18 - 22 October		 Evaluation / Review:    
Study Week:
25 - 29 October		  
Week 7:
5 – 9 Jul		 Using a Centralized Message Store (IMAP)
  • Specifying Domains for Received Email (MTA)
  • Installing & Configuring MDA/LDA
  • Send & Verify Receiving Mail on VMs
  • Troubleshooting
 Online Resources: Lab 4b:
Mail Server Setup: LDA
Week 8:
12 -16 Jul		 File Server (Samba):
  • smbclient, smbmount (mount -t cifs)
  • smb.conf, testparm, smbpasswd, pdbedit
  • getsebool, setsebool
 Lab 5: Samba Server
Week 9:
19 – 23 Jul		 Web Server (Apache):
  • LAMP stack installation and configuration
 Online Resources: Lab 6: Web Server
Week 10:
26 – 30 Jul		 Webmail: Encrypted connections
  • WebMail installation and configuration
  • Setting Up a Self-Serve Certificate
  • Configuring Postfix (VM2) for Encryption (TLS)
  • Setting up Encryption with Thunderbird MUA
  • Setting Up Dovecot MDA/LDA for Encryption (SSL)
 Online Resources:
Lab 7: Encrypted connections and webmail
Week 11:
2 – 6 Aug		 OpenLDAP:
  • LDAP Overview
  • Client setup
  • Adding users
 Online Resources: Lab 8: OpenLDAP
Week 12:
9 – 13 Aug		 Evaluation / Review:


OPS335 Resources

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