passive monitoring solutions for remote networks · passive monitoring solutions for remote...
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Topics
Difficulties with Remote NetworksFirewall ChallengesTypes of Monitoring Active vs. PassivePossible Solutions
Nagios Remote Data Sender (NRDS)Nagios Reflector
Q & A / Discussion
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Difficulties with Remote Networks
Active ChecksNeed Access through Firewall
Port forwardingMultiple levels of NAT/firewall to go throughWhat port goes to which system?What about Laptops with Dynamic IP?
Passive ChecksEvery monitoring change requires updating
config and plugin on each machine monitoredNagios server need to be reachable from
remote system
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Pitfalls with Remote Networks
Nagios Server
Unlocking The Power ofPassive Monitoring With
NRDS
2012 6
What the heck is NRDS?
NagiosRemoteDataSender
2012 7
Key Benefits of NRDS
Central ConfigurationDeploy onceAutomatic updates
Plugin DeploymentAll plugins on one server
Shared ConfigurationsChange config, deploy to allIncluding needed plugins!
Multiple Platforms and Architecture
How do(es) NRDS work?How do(es) NRDS work?
2012 9
What Makes NRDS tick?
Primarily Nagios XINRDP (NRDS adds on to NRDP)NRDS Config Manager ComponentPlugin Cache in /usr/local/nrdp/pluginsEasy Addition Using XI's Unconfigured Objects
Could be used with CoreStill need NRDPNeed to modify configs manually
Client-sideCron/Scheduled Tasks*nix/Mac OS/X version use bash & curl/wget
2012 11
Pros & Cons of Passive Checks
AdvantagesNo Need to Open Firewalls to ClientsReduce Nagios Server LoadCentral Config ManagementCentral Plugin ManagementEasy setup, no compiling on every server
DisadvantagesNagios doesn't control when checks happenSome plugins have pre-reqsNagios server needs to be accessible from
remote system
2012 12
Pros & Cons of Passive Checks
NRDS LinksPre-installed in Nagios XI 2012Component DownloadPassive Monitoring with NRDS DocumentationTutorial
Using the NewNagios Reflector
to MonitorRemote Machines
2012 14
What is the Nagios Reflector?Just ReleasedNagios Enterprise Hosted Results
Clients send data to ReflectorNagios server Utilizes new
check_reflector.py pluginto collect results via SSL HTTP
Useful for Core and Nagios XICan accept NRDP or NSCA dataZero Firewall setup, all connections outbound
Conference attendees are the first people allowed access to Nagios Reflector
2012 15
Slide Title
2012 16
Pros & Cons of Nagios Reflector
AdvantagesNo Need to Open Firewalls (either) Reduce Nagios Server LoadWorks with dynamic IP assignmentsCan pull data to multiple Nagios ServersIntegration with NRDS (Roadmap)
DisadvantagesNagios doesn't control when checks happenClients & Nagios need Internet AccessSome data is sent to remote network
2012 17
Pros & Cons of Nagios Reflector
Reflector Linkshttps://reflector.nagios.comUsing Nagios Reflector with Nagios XIUsing Nagios Reflector with Nagios CoreNagios XI Reflector WizardReflector Plugin
2012 18
Contact Us
Hours of operation: 9am - 5pm CST, Monday – Friday
Phone: U.S.: 1-888-624-4671 ♦ International: +1-651-204-9102
Fax: U.S.: 651-204-9103 ♦ International: +1-651-204-9103
Email: [email protected]
Mail: Nagios Enterprises, LLCP.O. Box 8154Saint Paul, MN 55108
Websites:
http://www.nagios.com/http://www.nagios.org/http://exchange.nagios.org/http://labs.nagios.com/
2012 19
Thank You!
Thank you!Additional Questions?
http://support.nagios.com/forum/viewtopic.php?f=24&t=7484