====== Common Event Format (CEF) ====== ==== General Form ==== CEF:Version|Device Vendor|Device Product|Device Version|Signature ID|Name|Severity|Extension * signature id: a integer or string that is a unique identifier for the event * severity: integer value 0-10 * extension: any number of key-value pairs in the form of key=value separated by spaces. ==== Example ==== CEF:0|Red Hat|RHEL|8.0.0|100|SSH login|5