OSL840 Weekly Schedule

Fall 2022

Instructors: see OSL840

Note: Each OSL840 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: 10 jan - 14 jan	Introduction to OSL840: Outline, policies Assignments, labs, evaluation, email Preparation for OPS335 labs	Online Reference: Centos7 Install Tips OPS335 Resources	Prep for Labs
Week 2: 17 jan - 21 jan	Basic Networking & Backups: ifconfig & route vs ip; resolv.conf, hostnamectl /etc/sysconfig/network-scripts/ Network connection troubleshooting SSH & SSH Keys rsync & cron	Online Reference: ip vs ifconfig OPS235 - Lab7 rsync Howto Cron HowTo	Lab 1: Network/Backup
Week 3: 24 jan - 28 jan	Packet Filtering Using iptables: What is Packet Filtering iptables Basics (Tables, Chains, Targets) iptables Commands & Options iptables Command Examples Saving iptables Settings	Online Reference: Overview CentOS Wiki	Lab 2a: Packet Filtering Using iptables
Week 4: 31 jan - 4 feb	Network Address Translation / iptables Best Practices Network Address Translation (NAT Table - iptables) Debugging firewall problems: Troubleshooting Procedures Troubleshooting Tools Troubleshooting Exercises	Online Reference: Test Network Connectivity (From Lab1)	Lab 2b: Additional iptables Troubleshooting
Week 5: 7 feb - 11 feb	Domain Name System (DNS): Address resolution mechanism (zone definitions) DNS server setup Querying Name Servers Reverse DNS lookups Performing DNS Queries SOA, MX, TXT records Coordinating multiple servers OPS335 - Assignment 1 (Part 1)	Online Reference: Address resolution mechanism Reverse DNS lookups	Lab 3: DNS
Week 6: 14 feb - 18 feb	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: Sending Messages with mail Command Read Email Message with mail Command Reading Full Email Headers	Lab 4a: Simple Mail Server Setup
Week 7: 21 feb - 25 feb (Monday is a holiday)	Evaluation / Review: OPS335 - Assignment 1 (Part 2) Written Midterm Test
Study Week: 28 feb - 4 mar
Week 8: 7 mar - 11 mar	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: common mail server terms Postfix man page Configuring Dovecot	Lab 4b: Mail Server Setup: LDA
Week 9: 14 mar - 18 mar	File Server (Samba): smbclient, smbmount (mount -t cifs) smb.conf, testparm, smbpasswd, pdbedit getsebool, setsebool		Lab 5: Samba Server
Week 10: 21 mar - 25 mar	Web Server (Apache): LAMP stack installation and configuration	Online Resources: PHP Tutorial MySQL / SQL Language Resources	Lab 6: Web Server
Week 11: 28 mar - 1 apr	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: TLS, SSL Definition Create a self signed SSL key for Postfix Dovecot SSL configuration	Lab 7: Encrypted connections and webmail
Week 12: 4 apr - 8 apr	OpenLDAP: LDAP Overview Client setup Adding users	Online Resources: OpenLDAP Administration Guide CentOS server & client setup guide	Lab 8: OpenLDAP
Week 13: 11 apr - 15 apr (Friday is a holiday)	Evaluation / Review: OPS335 - Assignment 2 Exam Review
Week 14 (3 days): 18 apr - 22 apr	Evaluation / Review: Final Exam

OPS335 Resources