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Addmi 18-appliance baseline
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Addmi 18-appliance baseline



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  • 1. Appliance Baseline Change Control of the Appliance Itself
  • 2. Appliance Baseline Outline
    • What is Appliance Baseline
    • Where will I see it on the UI?
    • Viewing the differences
    • Controlling baseline actions
    • Updating the Baseline
  • 3. Appliance Baseline
    • The intent of the Appliance Baseline tool is to enable Atrium Discovery administrators to be alerted to any unintended or controlled configuration changes.
  • 4. Appliance Baseline Overview
    • When an appliance is installed or a change is made, a baseline of it’s configuration is established
    • When the appliance service is (re)started comparisons are made against this baseline
    • If current configuration fails to match the baseline this will be shown in the status page
    • The status page allows the choice of several actions as a remedy for failures
  • 5. Where Can I Find Appliance Baseline Status?
    • From the drop down menu on the icon bar
    • Administration > Appliance > Baseline Status
  • 6. How Do I Know If I Need to Check the Status?
    • Normal
    • Changes Detected
  • 7. Baseline Status
    • Actions are associated to severity levels
    • Scroll down to the bottom of the page to configure actions and options
  • 8. Baseline Differences (1)
    • Click on the name to view administration page for that type of check
  • 9. Baseline Differences (2)
    • Some changes will be shown directly below the status
  • 10. Baseline Differences (3)
    • Others will click through to a list of configuration changes
  • 11. View Baseline Differences
    • Click on the status link with the icon to see a side by side comparisons of changes
  • 12. Checking Baseline
    • Baseline is controlled by a number of option buttons at the base of the page
    • To force the baseline to be checked use the “Check Baseline Now” button
    • Baselines will be checked at start up and regular intervals
  • 13. Updating Baseline
    • If the change is expected the baseline should be updated
    • Baselines can be updated individually if some need investigation, or globally
  • 14. Configure Baseline Actions (1)
    • The Severity of failure can be set for each check
    • The Action to be taken on failure can also be set
  • 15. Configure Baseline Actions (2)
    • Email notification is set by default
      • Email needs to be setup on the Appliance
    • Can add more severe actions if needed
  • 16. Configure Baseline Actions (3)
    • Restrict Network Access
      • Closes all ports on the Appliance apart from those specified in the Baseline Options
      • Use with care!
    • Stop Discovery
      • Halts any active discovery
  • 17. Configure Baseline Options
    • Under Options you can configure
      • Email alerts
      • Email messages
      • Which services to allow under network access restrictions
  • 18. Configure Baseline Options - Email
    • Email Recipients
      • Enter a list of addresses, a group address is advised
    • Email Subject Template and Passed/Failed messages
      • Can be edited if required, recommend they are left at default
  • 19. Baseline Alert – Email Example
    • From: [ ]
    • Sent: 07 August 2009 21:15
    • To: Archer Admin Group
    • Subject: Foundation Baseline: Archer: FAILED (MAJOR)
    • Baseline check results are:
    • Apache Configuration : OK
    • Apache HTTPS : OK
    • Crontab : OK
    • DNS Configuration : OK
    • Appliance eth0 : OK
    • Appliance Firewall : OK
    • NTP Configuration : OK
    • NTP Running : INFO: ntpd is not configured to run at run level 5
    • Operating System : OK
    • Tideway RPM : OK
    • DataStore SoftLimit : MINOR: DataStore is 37GB which exceeds soft limit of 30GB
    • Discovery Scripts : OK
    • *
    • *
    • *
    • Login Credentials : OK
    • SNMP Credentials : OK
    • Highest severity failure was MAJOR
    • Action taken:
  • 20. Configure Baseline Options – Services to Allow
    • Services To Allow
    • All network access outbound and inbound will be blocked by the appliance firewall apart from these services
      • ssh/http/https – inbound only
      • smtp/ldap/dns – bidirectional
    • Use with great care!
  • 21. Appliance Baseline Summary
    • Appliance Baseline is used to monitor key configuration and operational properties of the Appliance
    • The severity of a check failing and the action taken as a consequence can be configured
    • When updating configuration of an Appliance remember when finished to
      • Use the Check Baseline Now option to force a baseline run
      • Use the Update Baseline/Update All Baselines to register your changes as expected
  • 22. Further Resources
    • Online Documentation:
    Tideway Foundation Version 7.2 Documentation Title