Security Onion 2.4 Feature o' the Day - Configure NTP

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure NTP:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/ntp.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion 2.4 Feature o' the Day - Configure Nginx

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure Nginx:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/nginx.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion 2.4 Feature o' the Day - Configure Logstash

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure Logstash:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/logstash.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion Documentation printed book now updated for Security Onion 2.4.30!

We've been offering our Security Onion documentation in book form on Amazon for a few years and it's now been updated for the recently released Security Onion 2.4.30!

Thanks to Richard Bejtlich for writing the inspiring foreword!

Proceeds go to the Rural Technology Fund!

This edition has been updated for Security Onion 2.4.30 and includes a 20% discount code for our on-demand training and certification!

This book covers the following Security Onion topics:

• First Time Users
• Getting Started
• Security Onion Console (SOC)
• Security Onion Desktop
• Network Visibility
• Host Visibility
• Logs
• Updating
• Accounts
• Services
• Customizing for Your Environment
• Tuning
• Tricks and Tips
• Utilities

Q&A

What is the difference between this book and the online documentation?

This book is the online documentation formatted specifically for print.  It also includes an inspiring foreword by Richard Bejtlich that is not available anywhere else!  Proceeds go to the Rural Technology Fund!  Finally, the printed book includes a 20% discount code for our on-demand training and certification.

Who should get this book?

You should get this book if you work on airgap networks or simply want a portable reference that doesn't require an Internet connection or batteries! Also anyone who wants to donate to a worthy cause like Rural Technology Fund!

What is the difference between this edition and the previous edition?

This edition has been updated for Security Onion 2.4.30!

Where do we get it?

https://securityonion.net/book

Security Onion 2.4.30 Hotfix 20231121 Now Available!

We recently released Security Onion 2.4.30 and a hotfix:

https://blog.securityonion.net/2023/11/security-onion-2430-now-available.html

https://blog.securityonion.net/2023/11/security-onion-2430-hotfix-20231117-now.html

Today, we are releasing an additional hotfix which resolves an issue:

https://docs.securityonion.net/en/2.4/release-notes.html

Documentation

You can find our online documentation here:

https://docs.securityonion.net/en/2.4/

Documentation is always a work in progress. If you find documentation that needs to be updated, please let us know as described in the Feedback section below.

New Installations

If this is your first time installing Security Onion 2.4, then we highly recommend starting with an IMPORT installation as shown at:

https://docs.securityonion.net/en/2.4/first-time-users.html

Once you’re comfortable with your IMPORT installation, then you can move on to more advanced installations as shown at:

https://docs.securityonion.net/en/2.4/architecture.html

Existing 2.4 Installations

If you have an existing Security Onion 2.4 installation, you can update to the latest version using soup:

https://docs.securityonion.net/en/2.4/soup.html

Questions, Problems, and Feedback

If you have any questions or problems relating to Security Onion 2.4, please use the new 2.4 category at our Discussions site:

https://github.com/Security-Onion-Solutions/securityonion/discussions/categories/2-4

2.3 EOL

Security Onion 2.3 will reach End Of Life (EOL) on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

Training

Need training? Start with our free Security Onion Essentials training and then take a look at some of our other official Security Onion training!

https://securityonion.net/training

Security Onion Solutions Hardware Appliances

We know Security Onion's hardware needs, and our appliances are the perfect match for the platform. Leave the hardware research, testing, and support to us, so you can focus on what's important for your organization. Not only will you have confidence that your Security Onion deployment is running on the best-suited hardware, you will also be supporting future development and maintenance of the Security Onion project!

https://securityonionsolutions.com/hardware

Security Onion 2.4 Feature o' the Day - Configure Kratos

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure Kratos:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/kratos.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion 2.4.30 Hotfix 20231117 Now Available!

We recently released Security Onion 2.4.30:

https://blog.securityonion.net/2023/11/security-onion-2430-now-available.html

Today, we are releasing a hotfix which resolves a couple of issues:

https://docs.securityonion.net/en/2.4/release-notes.html

Documentation

You can find our online documentation here:

https://docs.securityonion.net/en/2.4/

Documentation is always a work in progress. If you find documentation that needs to be updated, please let us know as described in the Feedback section below.

New Installations

If this is your first time installing Security Onion 2.4, then we highly recommend starting with an IMPORT installation as shown at:

https://docs.securityonion.net/en/2.4/first-time-users.html

Once you’re comfortable with your IMPORT installation, then you can move on to more advanced installations as shown at:

https://docs.securityonion.net/en/2.4/architecture.html

Existing 2.4 Installations

If you have an existing Security Onion 2.4 installation, you can update to the latest version using soup:

https://docs.securityonion.net/en/2.4/soup.html

Questions, Problems, and Feedback

If you have any questions or problems relating to Security Onion 2.4, please use the new 2.4 category at our Discussions site:

https://github.com/Security-Onion-Solutions/securityonion/discussions/categories/2-4

2.3 EOL

Security Onion 2.3 will reach End Of Life (EOL) on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

Training

Need training? Start with our free Security Onion Essentials training and then take a look at some of our other official Security Onion training!

https://securityonion.net/training

Security Onion Solutions Hardware Appliances

We know Security Onion's hardware needs, and our appliances are the perfect match for the platform. Leave the hardware research, testing, and support to us, so you can focus on what's important for your organization. Not only will you have confidence that your Security Onion deployment is running on the best-suited hardware, you will also be supporting future development and maintenance of the Security Onion project!

https://securityonionsolutions.com/hardware

Security Onion 2.4 Feature o' the Day - Configure Kibana

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure Kibana:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/kibana.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion 2.4 Feature o' the Day - Configure InfluxDB

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure InfluxDB:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/influxdb.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion 2.4 Feature o' the Day - Configure IDS Rules

Security Onion 2.4 includes lots of new features! SOC's new Configuration interface allows you to configure IDS rules:

You can read more about this in our documentation:

https://docs.securityonion.net/en/2.4/rules.html

More Security Onion 2.4 Features

To see other Security Onion 2.4 features, please see our other Feature o' the Day blog posts:

https://blog.securityonion.net/search/label/feature%20o%27%20the%20day

You can also check out our Release Notes:

https://docs.securityonion.net/en/2.4/release-notes.html

Migrating from 2.3 to 2.4

If you're still running Security Onion 2.3, please note that it reaches End Of Life on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

If you would like to migrate your data from 2.3 to 2.4, you can find an overview of the process at:

https://docs.securityonion.net/en/2.4/appendix.html

Security Onion 2.4.30 now available including some new features and lots of bug fixes!

Recently, we announced that Security Onion 2.4 has reached General Availability (GA) by releasing Security Onion 2.4.10:

https://blog.securityonion.net/2023/08/security-onion-24-has-reached-general.html

Today, we are excited to announce that Security Onion 2.4.30 is now available! It includes some new features and lots of bug fixes!

https://docs.securityonion.net/en/2.4/release-notes.html#changes

UPDATE 2023/11/15 We are aware of an issue for folks updating to this release. We are currently looking into it and will provide more information as it is available.

UPDATE 2023/11/20 We've released a hotfix:
https://blog.securityonion.net/2023/11/security-onion-2430-hotfix-20231117-now.html

About Security Onion

Security Onion is a free and open platform built by defenders for defenders. It includes network visibility, host visibility, intrusion detection honeypots, log management, and case management. 

For network visibility, we offer signature based detection via Suricata, rich protocol metadata and file extraction using your choice of either Zeek or Suricata, full packet capture via Stenographer, and file analysis via Strelka. For host visibility, we offer the Elastic Agent which provides data collection, live queries via osquery, and centralized management using Elastic Fleet. Intrusion detection honeypots based on OpenCanary can be added to your deployment for even more enterprise visibility. All of these logs flow into Elasticsearch and we’ve built our own user interfaces for alerts, dashboards, threat hunting, case management, and grid management. 

Security Onion has been downloaded over 2 million times and is being used by security teams around the world to monitor and defend their enterprises. Our easy-to-use Setup wizard allows you to build a distributed grid for your enterprise in minutes!

Documentation

You can find our online documentation here:

https://docs.securityonion.net/en/2.4/

Documentation is always a work in progress. If you find documentation that needs to be updated, please let us know as described in the Feedback section below.

New Installations

If this is your first time installing Security Onion 2.4, then we highly recommend starting with an IMPORT installation as shown at:

https://docs.securityonion.net/en/2.4/first-time-users.html

Once you’re comfortable with your IMPORT installation, then you can move on to more advanced installations as shown at:

https://docs.securityonion.net/en/2.4/architecture.html

Existing 2.4 Installations

If you have an existing Security Onion 2.4 installation, you can update to the latest version using soup:

https://docs.securityonion.net/en/2.4/soup.html

2.3 EOL

Security Onion 2.3 will reach End Of Life (EOL) on April 6, 2024:

https://blog.securityonion.net/2023/10/6-month-eol-notice-for-security-onion-23.html

Thanks

Lots of love went into this release!

Special thanks to all our folks working so hard to make this release happen!

• Josh Brower
• Jason Ertel
• Wes Lambert
• Corey Ogburn
• Josh Patterson
• Mike Reeves

Questions, Problems, and Feedback

If you have any questions or problems relating to Security Onion 2.4, please use the new 2.4 category at our Discussions site:

https://github.com/Security-Onion-Solutions/securityonion/discussions/categories/2-4

Training

Need training? Start with our free Security Onion Essentials training and then take a look at some of our other official Security Onion training!

https://securityonion.net/training

Security Onion Solutions Hardware Appliances

We know Security Onion's hardware needs, and our appliances are the perfect match for the platform. Leave the hardware research, testing, and support to us, so you can focus on what's important for your organization. Not only will you have confidence that your Security Onion deployment is running on the best-suited hardware, you will also be supporting future development and maintenance of the Security Onion project!

https://securityonionsolutions.com/hardware

Cloud Installations

For new Security Onion 2 installations in the cloud, Security Onion 2.4 will soon be available on the AWS, Azure, and GCP marketplaces!

AWS Marketplace and Documentation:

https://securityonion.net/aws/?ref=_ptnr_soc_blog_231107

https://docs.securityonion.net/en/2.4/cloud-amazon.html

Azure Marketplace and documentation:

https://securityonion.net/azure

https://docs.securityonion.net/en/2.4/cloud-azure.html

GCP Marketplace and documentation:

https://securityonion.net/google

https://docs.securityonion.net/en/2.4/cloud-google.html

Screenshot Tour

If you want the quickest and easiest way to try out Security Onion 2.4, just follow the screenshots below to install an Import node. This can be done in a minimal VM with only 4GB RAM! For more information, please see:

https://docs.securityonion.net/en/2.4/first-time-users.html