Ubuntu Server 17.10 LTS install and config IPtables(linux) firewall

Hi Everyone, I’m starting how to learn my first Ubuntu Server, and i chose Ubuntu Sever 17.10 LTS as a beginner. However, I’m running into a problem where i’m struggling how to install and config IPtables firewall for Linux. I would like to hear some opinions from everyone.

Thank you and have a great day!

I’ve moved this to the https://community.ubuntu.com/c/support-help-requests category because this site isn’t designed to take tech support questions. Sorry. I’d recommend using one of the official support channels listed on the https://community.ubuntu.com/t/finding-help/712 page.

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