> 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. Direct your question to the devel list. netfilter-devel@lists.samba.org regards, Maciej