iptables-translate -A INPUT -p dccp -m dccp --sport 100

nft add rule ip filter INPUT dccp sport 100 counter

iptables-translate -A INPUT -p dccp -m dccp --dport 100:200

nft add rule ip filter INPUT dccp dport 100-200 counter

iptables-translate -A INPUT -p dccp -m dccp ! --dport 100

nft add rule ip filter INPUT dccp dport != 100 counter

iptables-translate -A INPUT -p dccp -m dccp --dport 100 --dccp-types REQUEST,RESPONSE,DATA,ACK,DATAACK,CLOSEREQ,CLOSE,SYNC,SYNCACK

nft add rule ip filter INPUT dccp dport 100 dccp type {request, response, data, ack, dataack, closereq, close, sync, syncack} counter

iptables-translate -A INPUT -p dccp -m dccp --sport 200 --dport 100

nft add rule ip filter INPUT dccp sport 200 dport 100 counter