>> When a user points to www.example.com, that webpage/server redirects this is an port 80 request >> them to http://www2.example.com:8098/login.aspx then, it should redirect to port 8098 So, I think , pls try below. iptables -t nat -A PREROUTING -m tcp -p tcp -d www.example.com --dport 80 -j REDIRECT --to-port 8098 -- Thank you Indunil Jayasooriya