Ruprecht Helms wrote: > Marcin Giedz wrote: > >> >> I don't get it :( >> How with tcpdump as tcpdump is only dump traffic tool - as I know it >> can't change anything or I'm wrong? > > > You are right. As I know it only dump. > What you need is a hexeditor or you are looking for a tool that do > hexediting in the fly. > > But that is offtopic in this list. I think he needs a packet mangling tool: he's not offtopic.