Blog Entries

02. 11. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.25

We fixed a bug in El Proxy, for which the automatic verification breaks when the retention of Elasticsearch is applied. The bug fix introduced the concept of blockchain state history and this, if the retention of Elasticsearch already deleted some logs, will throw a warning during the first verification after the update. For NetEye 4.25…

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02. 11. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.26

We fixed a bug in El Proxy, for which the automatic verification breaks when the retention of Elasticsearch is applied. The bug fix introduced the concept of blockchain state history and this, if the retention of Elasticsearch already deleted some logs, will throw a warning during the first verification after the update. For NetEye 4.26…

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27. 09. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.25

We fixed a bug, where on clusters some services could have been started, by some system packages configuration, before the corresponding drbd were mounted. Moreover, we fixed a bug in the Icingaweb2 module Director, which was causing Director deployments to remain blocked in case the automatic deployments done by the Director Jobs were encountering connection…

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27. 09. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We fixed a bug, where on clusters some services could have been started, by some system packages configuration, before the corresponding drbd were mounted. For NetEye 4.24 we updated the following packages: httpd-neteye-config, httpd-neteye-config-autosetup to version 1.12.1-1 nginx-neteye-config, nginx-neteye-config-autosetup to version 1.7.1-1

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27. 09. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a bug, where on clusters some services could have been started, by some system packages configuration, before the corresponding drbd were mounted. For NetEye 4.23 we updated the following packages: httpd-neteye-config, httpd-neteye-config-autosetup to version 1.11.1-1 nginx-neteye-config, nginx-neteye-config-autosetup to version 1.7.1-1

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19. 09. 2022 Davide Sbetti Log-SIEM, Machine Learning

Elasticsearch ML Models and Inference: Real-Time Classification

In a previous article, we explored the Machine Learning capabilities of Elasticsearch, which allowed us to apply anomaly detection techniques to our data, and helped us discover some really interesting facts as a result of our analysis. But can we take that idea even further? For instance, could we use data we’ve already collected to…

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09. 08. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We fixed a bug that prevented the installation of the perl-JSON-XS package, which can be required by external checks. We fixed two bugs in the Eventhandler. One bug causing a certificates verification error while using the GUI and another one causing the Eventhandler GUI to freeze when a particular race condition was encountered. For NetEye…

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09. 08. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a bug that prevented the installation of the perl-JSON-XS package, which can be required by external checks. We fixed two bugs in the Eventhandler. One bug causing a certificates verification error while using the GUI and another one causing the Eventhandler GUI to freeze when a particular race condition was encountered. For NetEye…

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11. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We fixed a problem related to the RHEL 8 repos enabling on the various system which, based on their role in the NetEye installation, will be associated to a specific subscription that covers only the set of repos required by the specific role. For NetEye 4.24 we updated the following packages: neteye-setup to version 1.86.4-1…

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11. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a problem related to the RHEL 8 repos enabling on the various system which, based on their role in the NetEye installation, will be associated to a specific subscription that covers only the set of repos required by the specific role. For NetEye 4.23 we updated the following packages: neteye-setup to version 1.85.7-1…

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11. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.22

We fixed a problem related to the RHEL 8 repos enabling on the various system which, based on their role in the NetEye installation, will be associated to a specific subscription that covers only the set of repos required by the specific role. For NetEye 4.22 we updated the following packages: neteye-setup to version 1.83.5-1…

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05. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We have fixed a problem related to a Perl dependency which was causing issues in forwarding snmptrap events to Tornado. For NetEye 4.23 we updated the following packages: eventhandler, eventhandler-autosetup and eventhandler-neteye-config to version 1.8.1-1 neteye-setup to version 1.85.6-1

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05. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We have fixed a problem related to a Perl dependency which was causing issues in forwarding snmptrap events to Tornado. For NetEye 4.24 we updated the following packages: eventhandler, eventhandler-autosetup and eventhandler-neteye-config to version 1.8.1-1 neteye-setup to version 1.86.3-1

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21. 06. 2022 Davide Sbetti Log Management, Log-SIEM

Elastic Transformations: How to Aggregate and Enrich Your Data

In a previous article I analyzed how you can create effective visualizations in Kibana, and how to apply machine learning jobs with the goal of extracting as much information as possible from our data. However, you can also think of data as a raw material, which sometimes needs to be transformed and manipulated before allowing…

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29. 04. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a bug in the grafana-panel-renderer and SLM which prevented silently the generation of resource reports if one of the corresponding requests to Grafana exceeded a certain timeout. For NetEye 4.22 we updated the following packages: grafana-panel-renderer to version 1.3.2-1 icingaweb2-module-slm, icingaweb2-module-slm-autosetup to version 4.19.2-1

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