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Automating security policies (compliance) with Rudder

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  • 1. Automating security policies From deployment to auditing with RudderJonathan CLARKE – jcl@normation.com Normation – CC-BY-SA normation.com
  • 2. Who am I ?● Jonathan Clarke ● Job: Co-founder and CTO at Normation ● Line of work: – Initially system administration, infrastructure management... – Now a whole load of other stuff ! ● Free software: – Co-creator of Rudder – Developer in several LDAP projects: LSC, LTB, OpenLDAP … – Contributor to CFEngine Contact info Email: jcl@normation.com Twitter: @jooooooon42 (thats 7 os!) Normation – CC-BY-SA normation.com 2
  • 3. Context IT infrastructure Normation – CC-BY-SA normation.com 3
  • 4. Context IT infrastructure Automation Normation – CC-BY-SA normation.com 4
  • 5. Context IT infrastructure Automation Motivations: Avoid Build new Rebuild hosts Scale outhuman error hosts quickly quickly quickly Normation – CC-BY-SA normation.com 5
  • 6. Context IT infrastructure Automation Tools: Normation – CC-BY-SA normation.com 6
  • 7. What about compliance? IT infrastructure Compliance? Normation – CC-BY-SA normation.com 7
  • 8. What about compliance? IT infrastructure Compliance? Motivations: Get a Get anKnow about Prove complete objectiveconfig drift compliance overview overview Normation – CC-BY-SA normation.com 8
  • 9. What about compliance? IT infrastructure Compliance to what? Normation – CC-BY-SA normation.com 9
  • 10. What about compliance? IT infrastructure Compliance to what? Rules come from everywhere: Industry Corporate Laws Best practices regulations regulations Normation – CC-BY-SA normation.com 10
  • 11. What about compliance? IT infrastructure Compliance to what? Practical examples Enforce some MOTD Password Tripwire parameters “warning” policy (disk contents) in a service Normation – CC-BY-SA normation.com 11
  • 12. How is this different from “just” automation? Automation vs Compliance How different is this technically? Normation – CC-BY-SA normation.com 12
  • 13. How is this different from “just” automation? Frequency The more often you check, the more reliable your compliance reporting is. How can you reach this goal? Lightweight, Run “slow” Focus on theefficient agent checks in the security checks background (file copying Reporting can over network...) be done later Normation – CC-BY-SA normation.com 13
  • 14. How is this different from “just” automation? All or nothing Compliance matters on each and every system. Not “most”. All of them. How can you reach this goal?Make sure you Support all the Two systems may know what {old,weird,buggy} be alike on paper,systems exist: {OS,software, they very rarely rely on an versions} are in reality. inventory DB Normation – CC-BY-SA normation.com 14
  • 15. How is this different from “just” automation? You cannot get it wrong. You cannot get it wrong. You cannot get it wrong. If you care about compliance, “prod” is usually pretty real. How can you reach this goal? Fake ID + Prebook flight to Cayman islands? Normation – CC-BY-SA normation.com 15
  • 16. How is this different from “just” automation? You cannot get it wrong. You cannot get it wrong. You cannot get it wrong. If you care about compliance, “prod” is usually pretty real. How can you reach this goal? Dont touch stuff Start with no changes. Classicyou dont need to. Just check. Dry-run? quality Be specific. control Cover full cycles (reviews...)(One line in a file?) (days, weeks, months...) Normation – CC-BY-SA normation.com 16
  • 17. So, what have we actually done? Applied these principles in Normation – CC-BY-SA normation.com 17
  • 18. Introducing Rudder http://rudder.cm/ Specifically designed for Simplified user experience automation & compliance via a Web UI Based on CFEngine 3 Graphical reporting Multi-platform Open Source (packaged for each OS) Vagrant config to test: https://github.com/normation/rudder-vagrant/ Normation – CC-BY-SA normation.com 18
  • 19. Introducing Rudder Normation – CC-BY-SA normation.com 19
  • 20. Key points for security compliance Continuous checking High freqency, trust in Every 5 minutes compliance reporting Reuse implementations, Separate configuration from implementation less bugs, shared code... Clear separation of roles Multi-platform Cover as many systems Linux, Unix, Windows, Android... as possible Reporting Avoid bottleneck Done after the checks, Different report types separate process Normation – CC-BY-SA normation.com 20
  • 21. Rudder - workflow Define Changes security policy (fixes, upgrades...) ManagementREPORTING c c Technical abstraction Community Expert (method vs parameters) Configure parameters Sysadmins Initial application Configuration agent Continuous verification Normation – CC-BY-SA normation.com 21
  • 22. Final thoughtsSummary:- Security compliance is a very demanding type of automation- Possible today with open source tools- Main issue is about how you use them!Next steps?- Authorizations: who can change which parameters? (law vs regulations vs policy...)- Correlate with monitoring data: determine root causes, crosseffects...It works but the tools can be improved:- detect changes (inotify?) - even 1 minute not always enough- dry-run iterations automatically? Normation – CC-BY-SA normation.com 23
  • 23. Questions? Follow us on Twitter: @RudderProjectJonathan CLARKE – jcl@normation.com Normation – CC-BY-SA normation.com