Blog Entries

27. 12. 2022 Damiano Chini Development, Log Management, Log-SIEM, NetEye

Adding Settings to Beats Agents’ Templates Based on the Index Name

With the introduction of the Composable Index Templates in Elastic, we at NetEye had to redesign the way index settings and mappings are applied to the indices generated by El Proxy. In this post I’ll explain: The solution explained in the remainder of the post was designed for El Proxy, but it may apply also…

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21. 12. 2022 Damiano Chini Log Management, Log-SIEM, NetEye

How We Verify the Integrity of El Proxy Blockchains Altered by a Retention

El 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…

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13. 12. 2022 Damiano Chini Development, Log Management, Log-SIEM, NetEye

How We Sped up El Proxy Verification

Before 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…

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28. 10. 2022 Enrico Alberti Log Management, Log-SIEM, NetEye

Syslog Collection with Elastic under Distributed NetEye Monitoring

Anyone who has joined the beautiful world of logging has collided, sooner or later, with the collection via syslog protocol. More than 40 years have passed since syslog was invented, and in that time there have been several attempts by the IETF to create a standard around this world (RFC 3164 and RFC 5424). Even…

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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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31. 12. 2021 Damiano Chini Development, Log Management, Log-SIEM, NetEye

Real Time Log Signing on Fleet-managed Elastic Agents – A Preliminary Investigation

The R&D Team is currently working on the integration of the new Elastic Fleet management tool in NetEye 4. Once Elastic Fleet is fully integrated in NetEye 4, all of the Log Management features currently supported will also need to work with the Elastic Fleet. In particular, the integration of Elastic Fleet with the Log…

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24. 12. 2021 Enrico Alberti Log Management, NetEye

Log Management through NetEye Satellites

In the enormous world of Log Collection, quite often customers need to collect logs from various systems in remote locations, like from an office in another country. For Icinga we know that the latest NetEye 4.20 release fully supports distributed monitoring, but what about the Log Manager and SIEM modules? Is it possible to use…

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12. 08. 2021 Franco Federico Log Management, NetEye

GDPR and AS400: Collecting Administrator Logs

We have several customers using IBM AS400 whom we’ve helped in the past collect logs of system administrators under NetEye 3. Now with NetEye 4 we’ve improved log collection, making it compliant with the ECS standard and configuring a special internal port (5514) for NetEye to process these logs and syslog logs in general. Let’s…

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01. 07. 2021 Damiano Chini Log Management, Log-SIEM, NetEye

El Proxy – Error Handling

Beginning with NetEye 4.17, the NetEye Log Management module has been able to rely on the new Real Time Log Signing architecture, which aims to overcome some weaknesses in the previous Log Management implementation based on rsyslog. One of the core components of the new architecture is the new El Proxy daemon, whose tasks are…

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07. 05. 2021 Franco Federico Log Management, Log-SIEM, NetEye

Collecting Network and DNS Logs on Your Infrastructure

Several customers have asked us how they can collect DNS logs. In our solution, we proposed a Packetbeat Agent that allows you to collect data and send them to our centralized NetEye SIEM directly, or via a NetEye satellite. The Domain Name System (DNS) provides a hierarchy of names for computers and services on the…

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21. 04. 2021 Mirko Bez Log Management, NetEye, Unified Monitoring

Automatically Detecting Tornado Anomalies through its Logs

Tornado is an event-driven engine that substitutes the previous engine called Eventhandler. Its use in NetEye is becoming ubiquitous, and this is just the start! One of its main uses in the NetEye ecosystem is to trigger status changes within Icinga (this in turn will usually send emails to stakeholders). However, understanding exactly what is…

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01. 04. 2021 Damiano Chini Development, Log Management, Log-SIEM, NetEye

Log Management – Real Time Log Signing

Meeting the highest security standards is an absolute priority in NetEye. For this reason, in the continuous process of improving security in NetEye 4, we brought an important architectural improvement in the Log Manager module in the NetEye 4.17 release. The new architecture takes the name of Real Time Log Signing and its main focus…

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18. 12. 2020 Juergen Vigna Log Management, Log-SIEM, NetEye

Monitor Microsoft Exchange Logs Using NetEye 4 Log Management

So you have a Microsoft Exchange mail server infrastructure and want full control over it using the NetEye 4 Log Management module? Yes, you can do that. An Exchange server writes out various log files: MessageTracking Imap4/Pop3 Smtp IIS logs To be able to send these logs to NetEye you have to install the Filebeat…

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06. 08. 2020 Mirko Bez Log Management

Firewall Log Collection: An Elastic Stack Performance Tuning Fairy Tale

In this blog post I will describe my experience with ingesting logs from a Fortinet firewall at a customer site. During this process I exploited the brand new Filebeat 7.8.0 Fortinet module. In particular, I will describe how I went from 3K events per second (eps) to 32K eps, more than a 10x improvement.

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28. 07. 2020 Michele Santuari Log Management, Log-SIEM

Customizing the Default Permissions in NetEye SIEM

Starting from NetEye 4.12, NetEye SIEM is secured with X-Pack Security. NetEye comes pre-configured with some users and roles (see NetEye User Guide > Log Manager > Elasticsearch Access Control) to grant the Elastic Stack the ability to ingest, manage, and view the logs that you want to collect. For example, NetEye provides: A Kibana…

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