### 2.3.120-20220425 ISO image built on 2022/04/25 ### Download and Verify 2.3.120-20220425 ISO image: https://download.securityonion.net/file/securityonion/securityonion-2.3.120-20220425.iso MD5: C99729E452B064C471BEF04532F28556 SHA1: 60BF07D5347C24568C7B793BFA9792E98479CFBF SHA256: CD17D0D7CABE21D45FA45E1CF91C5F24EB9608C79FF88480134E5592AFDD696E Signature for ISO image: https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.120-20220425.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-2.3.120-20220425.iso.sig ``` Download the ISO image: ``` wget https://download.securityonion.net/file/securityonion/securityonion-2.3.120-20220425.iso ``` Verify the downloaded ISO image using the signature file: ``` gpg --verify securityonion-2.3.120-20220425.iso.sig securityonion-2.3.120-20220425.iso ``` The output should show "Good signature" and the Primary key fingerprint should match what's shown below: ``` gpg: Signature made Mon 25 Apr 2022 08:20:40 AM 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