RDR question

Can anyone tell me if RDR works were it initiates a new connection for
the redirected traffic?  That is, I have 

 

            rdr e1000g0 0.0.0.0/0 port 5000 -> 192.168.11.12 port 5000

 

Does the traffic in on e1000g0 to port 5000 start a new connection from
the ipfilter host to 192.168.11.12 port 5000?  Or does it just modify
the packet in some way (header re-write)?  I really need to know if a
new connection is created from the ipfilter host with new seq numbers.

 

Thanks,

            --Dave