Changes

<td style="border-bottom: thin solid black;">'''Lecture Notes:'''<ul><li>Slides: [ [ Web] ] [ [ PDF] ]<ul><li>Chapter 22 - Security</li><li>[http://fedoraproject.org/wiki/FirewallD Firewalld documentation]</li><li>[http://fedoraproject.org/wiki/Features/FirewalldRichLanguage Firewalld rich rules]</li></ul></td>

<td style="border-bottom: thin solid black;font-weight:bold;">[http://zenit.senecac.on.ca/wiki/index.php/OPS335_Lab_2 Lab 2]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 4:'''<br>1-7 Feb</td>

<td style="border-bottom: thin solid black;">'''DNS:'''<ul><li>nslookup, dig, host, /etc/resolv.conf, /etc/hosts, /etc/named.conf</li><li>Assignment 1 Part 1 Due</li><li>