Har­den your sys­tem

APC Australia - - How to Linux -

Se­cu­rity hard­en­ing in­volves poorly con­fig­ured sys­tems, from a se­cu­rity point of view, be­ing iden­ti­fied and made to con­form to se­cu­rity stan­dards. This ap­plies to the dif­fer­ent lay­ers of a sys­tem such as the net­work, where it’ll en­able the fire­wall. On the soft­ware level, hard­en­ing in­volves re­mov­ing pack­ages with known is­sues, al­low­ing only signed pack­ages to be in­stalled and so on.

An­si­ble is a pop­u­lar hard­en­ing tool that does all of the above and more. Note, how­ever, that you’ll still need to up­date pack­ages and in­stall se­cu­rity up­dates man­u­ally. To in­stall An­si­ble and run: pip in­stall an­si­ble an­si­ble-galaxy in­stall git+https://git.open­stack.org/open­stack/an­si­ble-hard­en­ing

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