hello guys，I have a question to ask you。
I used follow codes to set a ip whitelist. but, when the whitelist timeout, I need to delete the rules that have been added before.
I can’t use iptables -F, because if someone use iptables insert a rule, it will delete all rules.
so , is there a method to resolved this problem? Is iptables has a rules mark function，that can delete all marked rules?
thanks.
for ip in `cat $IP_FILE`
do
echo "allow the backup ip [$ip] access."
iptables -A INPUT -p tcp -s $ip --dport 5943 -j ACCEPT
done
iptables -A INPUT -p tcp --dport 5943 -j REJECT
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