On 08/24/2018 04:10 PM, ToddAndMargo wrote:
# vi /etc/modprobe.d/iptables.conf options nf_conntrack_ftp ports=21
# systemctl restart iptables.
Problem solved
Ok, that's great. But I'm still curious about why you need connection tracking working. Perhaps I was misled in thinking you were referring to your client system. Is this actually something you're trying to do on a gateway server?