### 2.3.300-20240401 ISO image built on 2024/04/01 ### Download and Verify 2.3.300-20240401 ISO image: https://download.securityonion.net/file/securityonion/securityonion-2.3.300-20240401.iso MD5: 5CBDA8012D773C5EC362D21C4EA3B7FB SHA1: 7A34FAA0E11F09F529FF38EC3239211CD87CB1A7 SHA256: 123066DAFBF6F2AA0E1924296CFEFE1213002D7760E8797AB74F1FC1D683C6D7 Signature for ISO image: https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.300-20240401.iso.sig Signing key: https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS For example, here are the steps you can use on most Linux distributions to download and verify our Security Onion ISO image. Download and import the signing key: ``` wget https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS -O - | gpg --import - ``` Download the signature file for the ISO: ``` wget https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.300-20240401.iso.sig ``` Download the ISO image: ``` wget https://download.securityonion.net/file/securityonion/securityonion-2.3.300-20240401.iso ``` Verify the downloaded ISO image using the signature file: ``` gpg --verify securityonion-2.3.300-20240401.iso.sig securityonion-2.3.300-20240401.iso ``` The output should show "Good signature" and the Primary key fingerprint should match what's shown below: ``` gpg: Signature made Wed 27 Mar 2024 05:09:33 PM EDT using RSA key ID FE507013 gpg: Good signature from "Security Onion Solutions, LLC " gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. Primary key fingerprint: C804 A93D 36BE 0C73 3EA1 9644 7C10 60B7 FE50 7013 ``` Once you've verified the ISO image, you're ready to proceed to our Installation guide: https://docs.securityonion.net/en/2.3/installation.html