Hello i want block all incomming traffic to 32400 only if i accept your ip in my firewall list i do the follow on iptables on debian:

General Plex block

iptables -I INPUT -p tcp -s 0.0.0.0/0 --dport 32400 -j DROP

Acces list Plex media server Friends

iptables -I INPUT -p tcp -s 50.18.56.37 --dport 32400 -j ACCEPT # plex.tv Public ip
iptables -I INPUT -p tcp -s 184.169.151.58 --dport 32400 -j ACCEPT # plex.tv Public ip
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name
iptables -I INPUT -p tcp -s xx.xx.xx.xx--dport 32400 -j ACCEPT # User name

It works for a day and now remote acces not working anymore please can someone help me with this!