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You're reading from  Building a Next-Gen SOC with IBM QRadar

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781801076029
Edition1st Edition
Tools
Kali Linux
Concepts
Cybersecurity
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Author (1)
Ashish M Kothekar
Ashish M Kothekar
author image
Ashish M Kothekar

Ashish has a total experience of more than 15 years working for IBM on various different platforms. He is currently working as tech evangelist for IBM Security products. He has been instrumental in developing more than 10 IBM certification exams including IBM products like QRadar, Cloud Pak for Security, IBM SiteProtector, IBM XGS, etc. He has worked with multiple customers on deploying and then upgrading IBM security products. He has contributed regularly by writing blogs and giving talks on security products. He has published many redpapers on the integration of security products with IBM Storage solutions like IBM Spectrum scale. These redpapers are now full-fledged solutions that are being sold. He has also cleared two Mandarin language exams and is HSK2 qualified.
Read more about Ashish M Kothekar

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Understanding queues and buffers

We discussed in the previous chapter how if the number of events being ingested in QRadar is more than the license threshold, a system notification is sent by the console on the UI. Let us dig deeper to discover how events are managed in different scenarios.

Persistent queues

QRadar changed its design concept to introduce persistent queues. This was primarily done to avoid event loss. We understand that there are three basic services in the event pipeline:

  • ecs-ec-ingress
  • ecs-ec
  • ecs-ep

Once the events hit the event pipeline, QRadar ensures that they are ingested successfully.

Imagine that the ecs-ec service has crashed. What will happen to the incoming events? ecs-ec-ingress will still be collecting events and trying to send them to ecs-ec for parsing. If the ecs-ec service is down, then the events coming in are stored temporarily in the ingress persistent queue. Once the ecs-ec service is up and running again, the events...

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Building a Next-Gen SOC with IBM QRadar
Published in: Jun 2023Publisher: PacktISBN-13: 9781801076029
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Ashish M Kothekar

Ashish has a total experience of more than 15 years working for IBM on various different platforms. He is currently working as tech evangelist for IBM Security products. He has been instrumental in developing more than 10 IBM certification exams including IBM products like QRadar, Cloud Pak for Security, IBM SiteProtector, IBM XGS, etc. He has worked with multiple customers on deploying and then upgrading IBM security products. He has contributed regularly by writing blogs and giving talks on security products. He has published many redpapers on the integration of security products with IBM Storage solutions like IBM Spectrum scale. These redpapers are now full-fledged solutions that are being sold. He has also cleared two Mandarin language exams and is HSK2 qualified.
Read more about Ashish M Kothekar

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