How to configure nfq in ips mode

Hello,
How to configure suricata in ips mode if there are only drop or accept options ? Why there is no ips mode ?
Regards

[FR]je viens de voir qu’il y a avait le mode accept pour la propriété nfq, mais je ne comprends pas ,ça n’a pas l’ai explicite.
[ENG]
I just saw that there was the accept mode for the nfq property, but I don’t understand ,it didn’t have the explicit