On Tue, May 13, 2003 at 02:21:18PM +0100, Jackson, Dennis wrote: > I've read through several of the scripts and the list archive but I still > can't see if there is a way to send arbitrary TCP data packets in the middle > of a TCP connection. > > The sequence I want to achieve is: > > -> SYN > <- SYN ACK > -> ACK > -> DATA > -> DATA with incorrect sequence number > > As far as I can see from previous discussions, forge_tcp_packet cannot be > used to establish the 3-way handshake as the <- SYN ACK triggers a -> RST > ACK from the local IP stack. You can establish a 3 way handshake, but that involves that your computer does not send a RST (ie: you set a firewall rule to do so), which means the script won't be portable.
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