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 --dccp-types CLOSE
nft add rule ip filter INPUT dccp type close counter

iptables-translate -A INPUT -p dccp -m dccp --dccp-types INVALID
nft add rule ip filter INPUT dccp type 10-15 counter

iptables-translate -A INPUT -p dccp -m dccp --dport 100 --dccp-types REQUEST,RESPONSE,DATA,ACK,DATAACK,CLOSEREQ,CLOSE,SYNC,SYNCACK,INVALID
nft add rule ip filter INPUT dccp dport 100 dccp type {request, response, data, ack, dataack, closereq, close, sync, syncack, 10-15} counter

iptables-translate -A INPUT -p dccp -m dccp --sport 200 --dport 100
nft add rule ip filter INPUT dccp sport 200 dccp dport 100 counter