Changes

</tr>

<tr valign="top">

<td style="border-bottom: thin solid black;">'''Network Address Translation /<br>iptables Best Practices'''<ul><li>Network Address Translation<br>(NAT Table - iptables)</li><li>Debugging firewall problems:<ul><li> Troubleshooting Procedures</li><li>Troubleshooting Tools</li><li>Troubleshooting Exercises</li></ul></li></ul></td>

<td style="border-bottom: thin solid black;">'''Online Reference:'''<ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_1#Linux_Network_Connection_Configuration_Troubleshooting Test Network Connectivity]<br>(From Lab1)</li></ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_2b Lab 2b:<br>Additional iptables Troubleshooting]</td>

</tr><tr valign="top">

<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>'''Performing DNS Queries'''<ul><li>SOA, MX, TXT records</li><li>Coordinating multiple servers</li><br><li>'''[[OPS335_-_Assignment_1_(Part_1) | OPS335 - Assignment 1 (Part 1)]]'''</li></ul></td>

<td style="border-bottom: thin solid black;">'''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>

</tr>

<tr valign="top">

<td style="border-bottom: thin solid black;">'''Mail Servers - SMTP'''<ul><li>Mail Server Elements (MSA/MTA, MUA, MDA, MS, AA, SMTP)</li><li>Install and using mailx application (MUA)</li><li>Analyze Email Message Headers</li><li>Setup Postfix Server (no encryption)</li><li>Sending Email from VM to Seneca College Mail Account</li><li>Troubleshooting</li></ul></td>

<td style="border-bottom: thin solid black;">'''Online Reference:'''<ul><li>[http://www.simplehelp.net/2008/12/01/how-to-send-email-from-the-linux-command-line/ Sending Messages with mail Command]</li><li>[http://www.johnkerl.org/doc/mail-how-to.html#prompt_commands Read Email Message with mail Command]</li><li>[https://support.google.com/mail/answer/29436?hl=en Reading Full Email Headers]</li></ul></td>

<td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_4 Lab 4a:<br>Simple Mail Server Setup]</td></tr>

<tr valign="top">

<td style="border-bottom: thin solid black;">'''Evaluation / Review:'''<ul><li>'''[[OPS335_-_Assignment_1_(Part_2) | OPS335 - Assignment 1 (Part 2)]]'''</li><li>Written Midterm Test</li></ul></td>

<td style="border-bottom: thin solid black;">&nbsp;</td>