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The Linux firewall can filter ports but can it also block ip addresses from securing a connection?

Code4life
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  • Yes, Ubuntu uses ufw firewall, check here https://help.ubuntu.com/community/UFW – Michal Przybylowicz Jul 31 '19 at 00:40
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    Possible duplicate of [How can a non-geek set up a proper firewall?](https://askubuntu.com/questions/7757/how-can-a-non-geek-set-up-a-proper-firewall) – Fabby Jul 31 '19 at 08:47

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