# Is Air Gap Necessary?

**URL:** <https://forum.cardano.org/t/is-air-gap-necessary/66131>\
**Category:** Stake Pool Security\
**Created:** [2 July 2021 05:18 UTC](https://forum.cardano.org/t/is-air-gap-necessary/66131 "2021-07-02T05:18:39Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![Donnybaseball](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/donnybaseball/32/8064_2.png) [@Donnybaseball](https://forum.cardano.org/u/Donnybaseball)\
**Post date:** [2 July 2021 16:41 UTC](https://forum.cardano.org/t/is-air-gap-necessary/66131/11 "2021-07-02T16:41:04Z")

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Read through this:

> [@SPOs, Do not repeat my mistakes, Keep your Core Node Safe](https://forum.cardano.org/t/spos-do-not-repeat-my-mistakes-keep-your-core-node-safe/37766):
>
> Dear Awesome Cardano Staking Pool Operators, My name is Jun, I am a Korean pool operator of HAPPY. The reason I am posting this to here is to share my mistakes and prevent similar incident happening to you guys. Just consider that I am just a graduate student in Korea, not a security expert, and I think most of you are not expert neither. I made a huge mistake, and make a security breach to my Core node. First, Let me share my security settings. My SSH config: Password disabled, only acc…

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