Last October, we released Security Onion 2.3:
https://blog.securityonion.net/2020/10/security-onion-2-has-reached-general.html
Today, we are releasing Security Onion 2.3.50, which adds new features and resolves a few issues:
https://docs.securityonion.net/en/2.3/release-notes.html#changes
Documentation
You can find our documentation here:
https://docs.securityonion.net/en/2.3/
Documentation is always 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
AWS Marketplace
For new Security Onion 2 installations, version 2.3.50 is now also available on AWS Marketplace via the official Security Onion 2 AMI:
https://securityonion.net/aws/?ref=_ptnr_soc_blog_210428
AMI Documentation:
https://securityonion.net/docs/cloud-ami
Existing Security Onion 2 AMI users should use the "soup" command to upgrade:
https://docs.securityonion.net/en/2.3/soup.html
Security Onion 16.04 EOL
As a reminder, Security Onion 16.04 has reached End Of Life (EOL):
https://blog.securityonion.net/2021/04/security-onion-1604-has-reached-end-of.html
If you're still 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 Detection Playbook class!
https://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
Starting in this release, Security Onion Console (SOC) automatically recognizes our official appliances:
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| Security Onion Console running on an SOS4000 appliance |
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!
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| Security Onion ISO Boot Menu |
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| ISO Installation |
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| ISO Installation Complete |
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| After rebooting, login to start Setup |
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| Setup Options |
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| Choose the Setup type |
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| Accept the Elastic License |
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| Choose Standard or Airgap |
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| Specify hostname |
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| Setup checks for the common hostname of "securityonion" |
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| Optionally enter a short description for the node |
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| Select management NIC |
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| Configure management NIC |
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| Configure networking |
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| Configure networking |
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| Configure networking |
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| Configure networking |
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| Initialize networking |
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| Select direct connection to Internet or specify proxy |
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| Configure home network(s) |
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| Create user account |
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| Set password |
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| Confirm password |
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| Choose how you want to access the web interface |
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| Optionally configure ntp servers |
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| Optionally configure ntp servers |
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| Optionally run so-allow |
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| Specify IP address or range to allow through firewall |
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| Confirm options |
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| Setup complete |
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| After rebooting and logging in, optionally run so-analyst-install |
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| so-analyst-install complete |
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| Enter username to login to desktop |
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| Enter password to login to desktop |
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| Analyst desktop |
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| Analyst install includes Chromium, NetworkMiner, Wireshark, and many other analysis tools |
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| Log into Security Onion Console (SOC) |
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| SOC Overview Page |
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| Use so-import-pcap to import one or more pcap files |
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| Use the hyperlink provided by so-import-pcap to view all alerts and logs |
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| Find an interesting stream and pivot to full packet capture |
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| Switch to PCAP transcript mode |
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| Download the PCAP and open directly in NetworkMiner for file extraction |
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| All this in a minimal VM with only 4GB RAM! |
