when i add rule in iptables, the rule is
iptables -I OUTPUT -p tcp --dport 80 -m time --timestart 19:00:00 --timestop 23:00:00 --kerneltz -j REJECT
then the system gives a prompt
Warning: Extension time revision 0 not supported, missing kernel module?
iptables v1.8.8 (nf_tables): RULE_INSERT failed (No such file or directory): rule in chain OUTPUT