As mentioned in my colleague Mattia’s blog, NetEye 4.27 comes with a ClickHouse database pre-installed.If you follow that post, you will be able to customize NetEye in order to save data inside a ClickHouse database. Your data is now ready to be visualized on a dashboard, and you can accomplish this by configuring the ClickHouse…
Read MoreSome time ago, a customer asked me if it was possible to export the data used by NetEye 4 Performance Graphs to CSV format. In particular, the performance graphs that are displayed within Icinga 2’s web interface currently have no option to export their data. After some research, I found that the only way to…
Read MoreEl Proxy helps in compliance with GDPR regulations, which, besides the rest, imposes guarantees on the integrity of data and ensures that the data is kept for no longer than a predefined period of time. El Proxy ensures the integrity of the data by saving the data in El Proxy blockchains. The guarantee that data…
Read MoreTornado is a CEP “Complex Event Processor” that receives reports of events from data sources such as monitoring and email, matches them against preconfigured rules, and executes the actions associated with those rules. Some vendors provide static notification systems that cannot be customized. For example, during one project we were faced with a tool that…
Read MoreWe fixed a bug that did not allow the RHEL version to be set correctly when the automatic subscription was disabled. For NetEye 4.27 we updated the following packages:
Read MoreSynopsis Important: grafana-panel-renderer security update Type/Severity Security Advisory: Important Topic An update for the package grafana-panel-renderer is now available for NetEye 4. NetEye Product Security has rated this update as having a security impact of High. Common Vulnerability Scoring System (CVSS) base scores provide additional guidance about a vulnerability and give a detailed severity rating….
Read MoreIn my previous blog post, we had a long discussion about how Icinga 2 manages its configuration in a Distributed Monitoring environment and how this can lead to unwanted disclosure of sensitive data, be it Secrets or Personal Data. The post ended with a set of recommendations/best practices that can be summarized in the statement…
Read MoreWhen upgrading NetEye 4 from version 4.22 to version 4.23, the main focus is the upgrade/change of the operating system from CentOS 7 to the new RHEL 8 operating system. Normally you can proceed as explained in the Upgrade section of the user guide since NetEye 4 uses the “normal” BIOS boot sector with grub….
Read MoreBefore deploying El Proxy in production we, the R&D Team, carried out numerous benchmarks and reproduced real life scenarios to ensure that the real-time log signing performed by El Proxy would not represent a bottleneck in environments where logs that must respect the Italian “Garante Privacy” regulations are generated with data rates of around 2,000…
Read MoreAs you have surely read from the release notes of NetEye 4.27, we have integrated ClickHouse to be able to use the historical flows and alerts feature of ntopng. What is ClickHouse? Directly from the official website: ClickHouse is a column-oriented database management system (DBMS) for online analytical processing of queries (OLAP). ClickHouse’s performance exceeds…
Read MoreSending an SMS requires time, between 5-7 seconds. This means that if you have to write a lot of SMS’s, you have to attach more than one SMS gateway to your server to be able to send them within a certain time frame. This is possible using the USB connection of the SMS gateway. As…
Read MoreScenario Veeam Backup & Replication product is widely used for backuping virtual machines, primary hosted on VMware vSphere infrastructure. It could also backup physical machines through dedicated agents. It’s very important to keep the backup status monitored: it would be nice to get the backup status through the Icinga2 agent in an easy way. PowerShell…
Read MoreWelcome to version 4.27 of our NetEye v4 Unified Monitoring Solution. This time, NetEye arrives at the same time as one of the most magical periods of the year. It’s, in fact, during the Christmas period that dozens of squares in the South-Tyrolean land are decked out to welcome thousands of people and give them…
Read MoreWe fixed a bug where an older version of nginx was installed on the RHEL8 machines. Now nginx will be updated to 1.20.1. We also introduced a logrotate configuration for the neteye nginx logs. For NetEye 4.26 and 4.25 we updated the following packages:
Read MoreWe fixed a bug in El Proxy, for which the verification doesn’t verify the integrity of a log indexed right after one or more missing logs. For NetEye 4.26 we updated the following packages: elastic-blockchain-proxy, elastic-blockchain-proxy-autosetup to version 0.20.4-1
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