Detaching and attaching security group resolved the VM accessibility issue, HOW?

asked 2019-02-27 06:21:07 -0600

imrankhan-099 gravatar image

I had a customer VM hosted on our compute node which suddenly went inaccessible. Now we have some pre-defined things which we check and one of the troubleshooting steps is to detach and attach the security group. This VM we were trying to access on port 22. When we detach and attach the security group the VM was accessible.

This compute node has other VMs hosted on it, but only this VM was inaccessible. I need to know how security group works and how detaching and attaching security group solved the issue.

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Still trying to figure out.

imrankhan-099 gravatar imageimrankhan-099 ( 2019-03-03 22:45:13 -0600 )edit