Security Onion: Security Onion 2.3.21 now available!

We recently released Security Onion 2.3: 
https://blog.securityonion.net/2020/10/security-onion-2-has-reached-general.html

Today, we are releasing Security Onion 2.3.21, which resolves a few issues: 
https://docs.securityonion.net/en/2.3/release-notes.html#changes

Documentation

We've started migrating our documentation to 2.3: 
https://docs.securityonion.net/en/2.3/

However, this is a work in progress and some documentation may be missing or incorrect. Please let us know if you notice any issues.

Known Issues

Please review the Known Issues list:
https://docs.securityonion.net/en/2.3/release-notes.html#known-issues

New Installations

If you want to perform a new installation, please review the 2.3 documentation and then you can find instructions here: 
https://docs.securityonion.net/en/2.3/download.html

Existing 2.3 Installations

If you have an existing Security Onion 2.3 installation, please see: 
https://docs.securityonion.net/en/2.3/soup.html

Security Onion 16.04 EOL

Ubuntu 16.04 reaches EOL in April 2021 and so therefore Security Onion 16.04 does as well. Please make plans to replace or upgrade any existing Security Onion 16.04 deployments before then: 
https://blog.securityonion.net/2020/12/4-month-eol-notice-for-security-onion.html

Upgrading from Security Onion 16.04

If you're currently running Security Onion 16.04, please see the following for upgrade options: 
https://docs.securityonion.net/en/2.3/appendix.html

Questions or Problems

If you have questions or problems, please see our community support forum guidelines: 
https://docs.securityonion.net/en/2.3/community-support.html

You can then find the community support forum at: 
https://securityonion.net/discuss

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
Josh Patterson
Mike Reeves
Bryant Treacle
William Wernert

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, including our new Developing Your Detection Playbook class!

http://securityonion.net/training

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

Screenshot Tour

If you want the quickest and easiest way to try out Security Onion 2, just follow the screenshots below to install an Import node and then optionally enable the Analyst Workstation. This can be done in a minimal VM with only 4GB RAM!