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For me, this was a conflict with firewalld, and was resolved with sudo systemctl disable firewalld


UFW firewall rules that you see in ufw commands are not the full set of rules that're actually implemented by UFW. Underneath the hood, iptables / netfilter is what UFW manipulates and there are quite a few things that're permitted by the default UFW rules so that your internet, etc behaves proper.. Unfortunately to fix those rules, you have to edit some ...


Took a LOT of digging but I found my answers. From this page: I added the lines shown to vsftpd.conf and recycled the daemon. Then, from this page: I added the range of ports I defined in ...

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