Difference between revisions of "OPS335 - Assignment 1 (Part 2)"

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m (Removing requirement for MX record, as it hasn't been covered early enough.)
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== Purpose ==
 
== Purpose ==
  
−
In this assignment, you will use the '''335assign''' virtual network and the '''blofeld''' cloning-source that you created in assignment 1 (part 1) to create two name-servers. One of the cloned VMs (hostname: '''wint''') will be a '''master''' name server, and the other VM (hostname: '''kidd''') will be a '''slave''' name server. You will install and setup the master and slave servers in order to provide various domain name resolutions for existing servers, and for servers that will be created and used in assignment #2.
+
In this assignment, you will use the '''335assign''' virtual network and the '''concept''' cloning-source that you created in assignment 1 (part 1) to create two name-servers. One of the cloned VMs (hostname: '''wendys''') will be a '''master''' name server, and the other VM (hostname: '''harveys''') will be a '''slave''' name server. You will install and setup the master and slave servers in order to provide various domain name resolutions for existing servers, and for servers that will be created and used in assignment #2.
  
 
== General Requirements ==
 
== General Requirements ==
Line 12: Line 12:
  
 
{{Admon/important|It is YOUR responsibility to Backup all of your VMs for this Assignment!|You are required to frequently backup your VMs prior to exiting a work session during this assignment. Your instructor will NOT accept the fact that your hard disk crashed and lost all of your work. If you properly backed up your VM images and xml configuration files to a USB, then you can purchase a new hard-disk or wipe and recreate your hard disk and restore your VMs. }}<br />
 
{{Admon/important|It is YOUR responsibility to Backup all of your VMs for this Assignment!|You are required to frequently backup your VMs prior to exiting a work session during this assignment. Your instructor will NOT accept the fact that your hard disk crashed and lost all of your work. If you properly backed up your VM images and xml configuration files to a USB, then you can purchase a new hard-disk or wipe and recreate your hard disk and restore your VMs. }}<br />
−
=== Set-up Master Name Server ('''wint''')===
+
=== Set-up Master Name Server ('''wendys''')===
  
 
Perform the following steps for this section:
 
Perform the following steps for this section:
  
−
#Create a clone virtual machine called '''wint''' from the '''blofeld''' cloning-source. Refer to the table below for '''address''' and '''hostname'''.
+
#Create a clone virtual machine called '''wendys''' from the '''concept''' cloning-source. Refer to the table below for '''address''' and '''hostname'''.
 
#Create a '''regular user''' for this virtual machine using '''your Seneca userID'''.
 
#Create a '''regular user''' for this virtual machine using '''your Seneca userID'''.
−
#Setup a DNS server on your '''wint''' virtual machine noting the following items below:<ol type="a"><li>This virtual machine will be the '''Master DNS server''' for '''bond.villains.ops'''.</li><li>Only '''kidd''' will be allowed to obtain zone transfers of this zone.</li><li>This machine will provide '''forward''' and '''reverse''' lookups of ALL virtual machines in the '''bond.villains.ops.''' zone, including resource records for virtual machines that do not currently exist.</li><li>You MUST use the following names for both the forward and reverse zone files in '''/var/named''' directory: '''mydb-for-bond.villains.ops''' and '''mydb-for-172.19.1'''<li><s> Include an '''MX record''' for email sent to the domain to be directed to '''carver.bond.villains.ops'''.</s></li><li>Any machine in the '''bond.villains.ops''' network may use this machine to perform queries of machines outside the network, however it will route all such queries through the DNS server you created in lab #3.</li><li>For machines outside the '''bond.villains.ops''' domain, it will only answer queries about machines inside the network.  They may not use it to query other machines.</li></ol>
+
#Setup a DNS server on your '''wendys''' virtual machine noting the following items below:<ol type="a"><li>This virtual machine will be the '''Master DNS server''' for '''bond.villains.ops'''.</li><li>Only '''harveys''' will be allowed to obtain zone transfers of this zone.</li><li>This machine will provide '''forward''' and '''reverse''' lookups of ALL virtual machines in the '''bond.villains.ops.''' zone, including resource records for virtual machines that do not currently exist.</li><li>You MUST use the following names for both the forward and reverse zone files in '''/var/named''' directory: '''mydb-for-bond.villains.ops''' and '''mydb-for-172.19.1'''<li><s> Include an '''MX record''' for email sent to the domain to be directed to '''subway.bond.villains.ops'''.</s></li><li>Any machine in the '''bond.villains.ops''' network may use this machine to perform queries of machines outside the network, however it will route all such queries through the DNS server you created in lab #3.</li><li>For machines outside the '''bond.villains.ops''' domain, it will only answer queries about machines inside the network.  They may not use it to query other machines.</li></ol>
  
−
=== Set-up Slave Name Server ('''kidd''') ===
+
=== Set-up Slave Name Server ('''harveys''') ===
  
 
Perform the following steps for this section:
 
Perform the following steps for this section:
  
−
#Create a clone virtual machine called '''kidd''' from the '''blofeld''' cloning-source. Refer to the table below for '''address''' and '''hostname'''.
+
#Create a clone virtual machine called '''harveys''' from the '''concept''' cloning-source. Refer to the table below for '''address''' and '''hostname'''.
 
#Create a '''regular user''' for this virtual machine using '''your Seneca userID'''.
 
#Create a '''regular user''' for this virtual machine using '''your Seneca userID'''.
−
#Setup a DNS server on your '''kidd''' virtual machine noting the following items below:<ol type="a"><li>This virtual machine will be the '''Slave DNS server''' (in case the Master Name Server goes down).</li><li>This virtual machine will obtain its zone files by copying them from the Master Name Server.</li><li>This Slave DNS server will check for updated records from the Master DNS server every five days. If the initial attempt fails, then it will attempt every twelve hours until it succeeds, or two weeks have passed.</li><li>This machine will provide '''forward''' and '''reverse''' lookups of ALL machines in the '''bond.villains.ops''' zone, the zone files for which will be obtained from '''wint.bond.villains.ops'''.</li><li>Only machines within the '''bond.villains.ops''' domain will be allowed to query this machine.</li><li>This machine will not provide recursive lookup capabilities for any machines.<br><br></li></ol>
+
#Setup a DNS server on your '''harveys''' virtual machine noting the following items below:<ol type="a"><li>This virtual machine will be the '''Slave DNS server''' (in case the Master Name Server goes down).</li><li>This virtual machine will obtain its zone files by copying them from the Master Name Server.</li><li>This Slave DNS server will check for updated records from the Master DNS server every five days. If the initial attempt fails, then it will attempt every twelve hours until it succeeds, or two weeks have passed.</li><li>This machine will provide '''forward''' and '''reverse''' lookups of ALL machines in the '''bond.villains.ops''' zone, the zone files for which will be obtained from '''wendys.bond.villains.ops'''.</li><li>Only machines within the '''bond.villains.ops''' domain will be allowed to query this machine.</li><li>This machine will not provide recursive lookup capabilities for any machines.<br><br></li></ol>
  
 
=== Network Configuration ===
 
=== Network Configuration ===
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| style="border: 2px solid black;" |Purpose
 
| style="border: 2px solid black;" |Purpose
 
|-style="background-color:#66cccc; border: 2px solid black;"
 
|-style="background-color:#66cccc; border: 2px solid black;"
−
| style="border: 2px solid black;" |'''no.bond.villains.ops''' (your existing host)
+
| style="border: 2px solid black;" |''hungry.restaurant.fastfood.ops''' (your existing host)
−
| style=border: 2px solid black;"  |External Facing Address:''' DHCP assigned'''<br>Internal Virtual Bridge (virbr1):''' 172.19.1.1'''
+
| style=border: 2px solid black;"  |External Facing Address:''' DHCP assigned'''<br>Internal Virtual Bridge (virbr1):''' 172.21.5.1'''
 
| style="border: 2px solid black;" | Your '''host''' machine
 
| style="border: 2px solid black;" | Your '''host''' machine
  
 
|-style="background-color:#66cccc; border: 2px solid black;"
 
|-style="background-color:#66cccc; border: 2px solid black;"
−
| style="background-color:#66cccc; border: 2px solid black;" | '''blofeld.bond.villains.ops'''  
+
| style="background-color:#66cccc; border: 2px solid black;" | '''concept.restaurant.fastfood.ops'''  
−
| style="background-color:#66cccc; border: 2px solid black;" | '''172.19.1.100'''   
+
| style="background-color:#66cccc; border: 2px solid black;" | '''172.21.5.100'''   
 
| style="background-color:#66cccc; border: 2px solid black;" |'''Cloning-source''' used to create other servers for other assignments.
 
| style="background-color:#66cccc; border: 2px solid black;" |'''Cloning-source''' used to create other servers for other assignments.
 
|-style="background-color:#66cccc; border: 2px solid black;"
 
|-style="background-color:#66cccc; border: 2px solid black;"
−
| style="background-color:#66cccc; border: 2px solid black;" |  '''wint.bond.villains.ops'''  
+
| style="background-color:#66cccc; border: 2px solid black;" |  '''wendys.restaurant.fastfood.ops'''  
−
| style="background-color:#66cccc; border: 2px solid black;" |  ''' 172.19.1.2'''  
+
| style="background-color:#66cccc; border: 2px solid black;" |  ''' 172.21.5.2'''  
 
| style="background-color:#66cccc; border: 2px solid black;" |  '''Master''' Name Server
 
| style="background-color:#66cccc; border: 2px solid black;" |  '''Master''' Name Server
  
 
|-style="background-color:#66cccc; border: 2px solid black;"
 
|-style="background-color:#66cccc; border: 2px solid black;"
−
| style="background-color:#66cccc; border: 2px solid black;" | '''kidd.bond.villains.ops'''
+
| style="background-color:#66cccc; border: 2px solid black;" | '''harveys.restaurant.fastfood.ops'''
−
| style="background-color:#66cccc; border: 2px solid black;" |  '''172.19.1.3'''   
+
| style="background-color:#66cccc; border: 2px solid black;" |  '''172.21.5.3'''   
 
| style="background-color:#66cccc; border: 2px solid black;" |  '''Slave''' Name Server
 
| style="background-color:#66cccc; border: 2px solid black;" |  '''Slave''' Name Server
 
|-  style="background-color:white;"
 
|-  style="background-color:white;"
−
| style="border: 2px solid black;" |  '''carver.bond.villains.ops'''  
+
| style="border: 2px solid black;" |  '''subway.restaurant.fastfood.ops'''  
−
| style="border: 2px solid black;" |  ''' 172.19.1.5'''  
+
| style="border: 2px solid black;" |  ''' 172.21.5.5'''  
 
| style="border: 2px solid black;" |  '''SMTP''' mail Server
 
| style="border: 2px solid black;" |  '''SMTP''' mail Server
  
 
|-  style="background-color:white; border: 2px solid black;"
 
|-  style="background-color:white; border: 2px solid black;"
−
| style="border: 2px solid black;" |  '''drax.bond.villains.ops'''  
+
| style="border: 2px solid black;" |  '''arbys.restaurant.fastfood.ops'''  
−
| style="border: 2px solid black;" |  '''172.19.1.6'''   
+
| style="border: 2px solid black;" |  '''172.21.5.6'''   
 
| style="border: 2px solid black;" |  '''IMAP''' mail Server
 
| style="border: 2px solid black;" |  '''IMAP''' mail Server
 
|-  style="background-color:white;"
 
|-  style="background-color:white;"
−
| style="border: 2px solid black;" | '''zorin.bond.villains.ops'''  
+
| style="border: 2px solid black;" | '''mcdonalds.restaurant.fastfood.ops'''  
−
| style="border: 2px solid black;" |  '''172.19.1.8'''   
+
| style="border: 2px solid black;" |  '''172.21.5.8'''   
 
| style=border: 2px solid black;" |  '''Samba''' Server
 
| style=border: 2px solid black;" |  '''Samba''' Server
 
|}
 
|}
Line 78: Line 78:
 
In addition to the basic firewall established in assignment 1, ensure the following restrictions are met:
 
In addition to the basic firewall established in assignment 1, ensure the following restrictions are met:
  
−
# Any machine may query '''wint'''
+
# Any machine may query '''wendys'''
−
# Only the machines in the '''bond.villains.ops''' network may query '''kidd'''.
+
# Only the machines in the '''bond.villains.ops''' network may query '''harveys'''.
  
 
== Assignment Submission ==
 
== Assignment Submission ==
Line 107: Line 107:
 
|-
 
|-
 
|  
 
|  
−
::'''wint''' and '''kidd''' VMs created
+
::'''wendys''' and '''harveys''' VMs created
 
| style="text-align:right" | /1
 
| style="text-align:right" | /1
 
|-
 
|-
 
|  
 
|  
−
::'''wint''' and '''kidd''' VMs can perform '''DNS queries of vm1, vm2, vm3'''
+
::'''wendys''' and '''harveys''' VMs can perform '''DNS queries of vm1, vm2, vm3'''
 
| style="text-align:right" | /1
 
| style="text-align:right" | /1
 
|-
 
|-
 
|  
 
|  
−
::'''wint''' and '''kidd''' VMs can perform '''forward DNS lookups''' for ALL machines within network (listed in the table above)
+
::'''wendys''' and '''harveys''' VMs can perform '''forward DNS lookups''' for ALL machines within network (listed in the table above)
 
| style="text-align:right" | /3
 
| style="text-align:right" | /3
 
|-
 
|-
 
|  
 
|  
−
::'''wint''' and '''kidd''' VMs can perform '''reverse DNS lookups''' for ALL machines within network (listed in the table above)
+
::'''wendys''' and '''harveys''' VMs can perform '''reverse DNS lookups''' for ALL machines within network (listed in the table above)
 
| style="text-align:right" | /3
 
| style="text-align:right" | /3
 
|-
 
|-
Line 131: Line 131:
 
| width=10% style="text-align:right;font-weight:bold" | Mark
 
| width=10% style="text-align:right;font-weight:bold" | Mark
 
|-
 
|-
−
|  colspan=2 style="background-color:#eeeeee;"| '''Master Name Server (wint) - Network Configuration'''
+
|  colspan=2 style="background-color:#eeeeee;"| '''Master Name Server (wendys) - Network Configuration'''
 
|-
 
|-
 
|  
 
|  
Line 137: Line 137:
 
| style="text-align:right" | /5
 
| style="text-align:right" | /5
 
|-
 
|-
−
|  colspan=2 style="background-color:#eeeeee;"| '''Master Name Server (wint) - Named Configuration Options / Zone Declarations'''
+
|  colspan=2 style="background-color:#eeeeee;"| '''Master Name Server (wendys) - Named Configuration Options / Zone Declarations'''
 
|-
 
|-
 
|  
 
|  
−
::Zone transfer (i.e. to slave DNS server) limited to '''kidd''' only
+
::Zone transfer (i.e. to slave DNS server) limited to '''harveys''' only
 
| style="text-align:right" | /1
 
| style="text-align:right" | /1
 
|-
 
|-
Line 152: Line 152:
 
|-
 
|-
 
|  
 
|  
−
::wint server is the '''master''' name-server for bond.villains.ops
+
::wendys server is the '''master''' name-server for bond.villains.ops
 
| style="text-align:right" | /1
 
| style="text-align:right" | /1
 
|-
 
|-
−
|  colspan=2 style="background-color:#eeeeee;"| '''Master Name Server (wint) - Zone Record'''
+
|  colspan=2 style="background-color:#eeeeee;"| '''Master Name Server (wendys) - Zone Record'''
 
|-
 
|-
 
|  
 
|  
Line 173: Line 173:
 
| style="text-align:right" |<s> /1</s>
 
| style="text-align:right" |<s> /1</s>
 
|-
 
|-
−
| colspan=2 style="background-color:#eeeeee;"| '''Slave Name Server (kidd) - Network Configuration'''
+
| colspan=2 style="background-color:#eeeeee;"| '''Slave Name Server (harveys) - Network Configuration'''
 
|-
 
|-
 
|
 
|
Line 179: Line 179:
 
| style="text-align:right" | /5
 
| style="text-align:right" | /5
 
|-
 
|-
−
|  colspan=2 style="background-color:#eeeeee;"| '''Slave Name Server (kidd) - Named Configuration Options'''
+
|  colspan=2 style="background-color:#eeeeee;"| '''Slave Name Server (harveys) - Named Configuration Options'''
 
|-
 
|-
 
|  
 
|  
Line 194: Line 194:
 
|-
 
|-
 
|  
 
|  
−
::kidd server is '''slave''' name-server for '''bond.villains.ops'''
+
::harveys server is '''slave''' name-server for '''bond.villains.ops'''
 
| style="text-align:right" | /1
 
| style="text-align:right" | /1
 
|-
 
|-
Line 200: Line 200:
 
|-
 
|-
 
|  
 
|  
−
::'''wint''' allows queries from any machine (i.e. will work with '''vm1''', '''vm2''', '''vm3''')
+
::'''wendys''' allows queries from any machine (i.e. will work with '''vm1''', '''vm2''', '''vm3''')
 
| style="text-align:right" | /2
 
| style="text-align:right" | /2
 
|-
 
|-
 
|  
 
|  
−
::'''kidd''' limits queries to '''bond.villains.ops''' (i.e. won't work with '''vm1''', '''vm2''', '''vm3''')
+
::'''harveys''' limits queries to '''bond.villains.ops''' (i.e. won't work with '''vm1''', '''vm2''', '''vm3''')
 
| style="text-align:right" | /2
 
| style="text-align:right" | /2
 
|-
 
|-

Revision as of 12:15, 17 May 2019

Purpose

In this assignment, you will use the 335assign virtual network and the concept cloning-source that you created in assignment 1 (part 1) to create two name-servers. One of the cloned VMs (hostname: wendys) will be a master name server, and the other VM (hostname: harveys) will be a slave name server. You will install and setup the master and slave servers in order to provide various domain name resolutions for existing servers, and for servers that will be created and used in assignment #2.

General Requirements

Weight: 7% of the overall grade

Due Date (Winter 2019): During Week 7 (in class)

Detailed Requirements

Important.png
It is YOUR responsibility to Backup all of your VMs for this Assignment!
You are required to frequently backup your VMs prior to exiting a work session during this assignment. Your instructor will NOT accept the fact that your hard disk crashed and lost all of your work. If you properly backed up your VM images and xml configuration files to a USB, then you can purchase a new hard-disk or wipe and recreate your hard disk and restore your VMs.

Set-up Master Name Server (wendys)

Perform the following steps for this section:

  1. Create a clone virtual machine called wendys from the concept cloning-source. Refer to the table below for address and hostname.
  2. Create a regular user for this virtual machine using your Seneca userID.
  3. Setup a DNS server on your wendys virtual machine noting the following items below:
    1. This virtual machine will be the Master DNS server for bond.villains.ops.
    2. Only harveys will be allowed to obtain zone transfers of this zone.
    3. This machine will provide forward and reverse lookups of ALL virtual machines in the bond.villains.ops. zone, including resource records for virtual machines that do not currently exist.
    4. You MUST use the following names for both the forward and reverse zone files in /var/named directory: mydb-for-bond.villains.ops and mydb-for-172.19.1
    5. Include an MX record for email sent to the domain to be directed to subway.bond.villains.ops.
    6. Any machine in the bond.villains.ops network may use this machine to perform queries of machines outside the network, however it will route all such queries through the DNS server you created in lab #3.
    7. For machines outside the bond.villains.ops domain, it will only answer queries about machines inside the network. They may not use it to query other machines.

Set-up Slave Name Server (harveys)

Perform the following steps for this section:

  1. Create a clone virtual machine called harveys from the concept cloning-source. Refer to the table below for address and hostname.
  2. Create a regular user for this virtual machine using your Seneca userID.
  3. Setup a DNS server on your harveys virtual machine noting the following items below:
    1. This virtual machine will be the Slave DNS server (in case the Master Name Server goes down).
    2. This virtual machine will obtain its zone files by copying them from the Master Name Server.
    3. This Slave DNS server will check for updated records from the Master DNS server every five days. If the initial attempt fails, then it will attempt every twelve hours until it succeeds, or two weeks have passed.
    4. This machine will provide forward and reverse lookups of ALL machines in the bond.villains.ops zone, the zone files for which will be obtained from wendys.bond.villains.ops.
    5. Only machines within the bond.villains.ops domain will be allowed to query this machine.
    6. This machine will not provide recursive lookup capabilities for any machines.

Network Configuration

As you will now have functioning primary and secondary DNS servers, modify your network configuration file on these machines and on the cloning source to specify the correct IPADDR.

Table of Virtual Machines / DNS Records

All the machines in the following table require DNS records. The rows not shaded represent future servers that will be created in Assignment #2.

Hostname / Domain Address Purpose
hungry.restaurant.fastfood.ops' (your existing host) External Facing Address: DHCP assigned
Internal Virtual Bridge (virbr1): 172.21.5.1 		Your host machine
concept.restaurant.fastfood.ops 172.21.5.100 Cloning-source used to create other servers for other assignments.
wendys.restaurant.fastfood.ops 172.21.5.2 Master Name Server
harveys.restaurant.fastfood.ops 172.21.5.3 Slave Name Server
subway.restaurant.fastfood.ops 172.21.5.5 SMTP mail Server
arbys.restaurant.fastfood.ops 172.21.5.6 IMAP mail Server
mcdonalds.restaurant.fastfood.ops 172.21.5.8 Samba Server

Set-up Firewall Policies

In addition to the basic firewall established in assignment 1, ensure the following restrictions are met:

  1. Any machine may query wendys
  2. Only the machines in the bond.villains.ops network may query harveys.

Assignment Submission

The student is required to prove to their professor that their set-up works correctly during the regularly-scheduled lab period.

Assignment Evaluation Details

  • Demonstrate working assignment to your instructor in class:
    1. Students need to demonstrate their assignment functionality to their professor during a lab period (like you would for any lab for "sign-off").
    2. Students are required to prepare everything ahead of time so that you can quickly demonstrate to your instructor that all required parts of your assignment are working.
    3. Do not proceed to the next step until you have demonstrated your assignment to your instructor to check for errors that may cause problems when running the checking script.

  • Download and run a shell script to check your work:
  1. Login as root on your host machine.
  2. Change to the /root/bin directory.
  3. Make certain that your assignment VMs are running.
  4. Make certain that the mailx command has been installed. If not, issue the following command to install e-mail on your host machine:
    yum install mailx
  5. Issue the command to download a checking script for your assignment to your host machine:wget https://matrix.senecacollege.ca/~peter.callaghan/files/OPS335/check-assn1-p2.bash

    Set execute permissions and run the shell script.
    (Your shell script contents will be mailed to your OPS335 instructor's Seneca email, and a confirmation message will be emailed to you.

    If you do NOT receive an e-mail message in your Seneca email account, then there is a problem, and you MUST rerun or contact your OPS335 instructor immediately.

    Evaluation Rubric

    Here is an evaluation rubric (in table form) showing you how you will be evaluated for this assignment. Part of the rubric is marked from professor observation from student demonstration of assignment in class, and the other part is based on output from the results of an assignment checking script that the student will download and run.

    Student Demonstration (in class)
    Evaluation Item Mark
    wendys and harveys VMs created
    		 /1
    wendys and harveys VMs can perform DNS queries of vm1, vm2, vm3
    		 /1
    wendys and harveys VMs can perform forward DNS lookups for ALL machines within network (listed in the table above)
    		 /3
    wendys and harveys VMs can perform reverse DNS lookups for ALL machines within network (listed in the table above)
    		 /3
    Zone transfer occurs
    		 /3
    Configuration (Checking Script Output)
    Evaluation Item Mark
    Master Name Server (wendys) - Network Configuration
    correct static network configuration
    (one mark for each network config item)
    		 /5
    Master Name Server (wendys) - Named Configuration Options / Zone Declarations
    Zone transfer (i.e. to slave DNS server) limited to harveys only
    		 /1
    Allows forward and reverse lookups to bond.villains.ops
    		 /1
    Recursion limited to bond.villains.ops only
    		 /1
    wendys server is the master name-server for bond.villains.ops
    		 /1
    Master Name Server (wendys) - Zone Record
    SOA - three common options (determined by instructor at time of marking)
    		 /3
    Correct NS records in forward zone
    		 /2
    Correct NS records in reverse zone
    		 /2
    MX record
    		 /1
    Slave Name Server (harveys) - Network Configuration
    correct static network configuration
    (one mark for each network config item)
    		 /5
    Slave Name Server (harveys) - Named Configuration Options
    Queries are limited to bond.villains.ops
    		 /1
    Slave server is Non-recursive
    		 /1
    Allows forward and reverse lookup for bond.villains.ops
    		 /1
    harveys server is slave name-server for bond.villains.ops
    		 /1
    Firewall policies
    wendys allows queries from any machine (i.e. will work with vm1, vm2, vm3)
    		 /2
    harveys limits queries to bond.villains.ops (i.e. won't work with vm1, vm2, vm3)
    		 /2
    Less Deductions (1 mark per issue for EACH VM):
    • Not using zone filenames: mydb-for-bond.villains.ops and mydb-for-172.19.1
    • VM hostname NOT set
    • firewalld enabled / running
    • iptables disabled / not running
    • No Yum update
    • Named NOT active
    • Local hostname resolution appears in /etc/hosts (1 mark per entry, per vm)
    • Neglecting major safeguards (e.g. no firewall present, firewall allowing all traffic, no active SELinux) (4 marks per issue, per VM)
    • Failing to backup VMs (1 mark deduction for each VM not backed up)
    TOTAL /40
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