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<td style="border-bottom: thin solid black;">'''Online Reference:'''<ul><li>Slides: [https://prezi.com/xhhxtdqccpwb/iptables-network-address-translation/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops335/ops335_w3b.pdf PDF ]</li><li>YouTube Video: [https://www.youtube.com/watch?v=fghYXdYMCrs&feature=youtu.be Masquerading Demo]</li><li>Chapter 22 - Security</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS335_Lab_1#Linux_Network_Connection_Configuration_Troubleshooting Test Network Connectivity]<br>(From Lab1)</li><li>[https://community.rackspace.com/products/f/25/t/248 Basic IPTABLES Troubleshooting]</li></ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[http://zenit.senecac.on.ca/wiki/index.php/OPS335_Lab_2b Lab 2b:<br>Additional iptables Troubleshooting]</td>

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<td style="border-bottom: thin solid black;">'''Domain Name System (DNS):'''<ul><li>Address resolution mechanism (zone definitions)</li><li>DNS server setup</li><li>Querying Name Servers</li><li>Reverse DNS lookups</li></ul></td>

<td style="border-bottom: thin solid black;">'''Lecture Notes:'''<ul><li>Slides:<br>DNS Overview: [https://prezi.com/1tbtqkahda-a/dns-creation-configuration/ Web] [http://matrix.senecac.on.ca/~murray.saul/ops335/335_week5a.pdf PDF]<br>DNS Configuration: [https://prezi.com/4hk05f7v_r_x/dns-configuration/ Web] [http://matrix.senecac.on.ca/~murray.saul/ops335/335_week5a_2.pdf PDF]</li><li>YouTube Video: [https://www.youtube.com/watch?v=SXt1FLl-EBI How DNS Works]<li>Chapter 17 - DNS: The Domain Name System</li></ul>'''Online Reference:'''<ul><li>[https://en.wikipedia.org/wiki/Domain_Name_System#Address_resolution_mechanism Address resolution mechanism]</li><li>[https://en.wikipedia.org/wiki/Reverse_DNS_lookup Reverse DNS lookups]</li></ul></td>