Hi, > I am newbie in iptables and linux. I would like to get packets , > modify it and send it again. To modify the packet (i.e. insert error) > , is there any programming software in netfilter? or any > recommendation? Or should I use C++ and if I use C++ where should I > save the program so I can use it with iptables? Thank you. > > Sincerely, > Regina R