August 2nd, 2013, 01:12 PM
editing of TCP packet headers using Ettercap
i am new to network security, and i have some questions regarding Ettercap software, but first i need to give you a quick idea why i need it.
i am a testing engineer in a a company that develops embedded systems, and softwares. i am using a Hardware in the loop (testing PC connected to the real hardware through an Ethernet LAN) to check on the integrity of the processors boards.
i am facing a problem that the connection between the boards and the PC fails every time i am trying to connect coz the headers of the TCP packets being sent from the PC (testing software) include some wrong contents (xFFFF instead of x0000).
i need to modify these packets in real time, so i searched the internet for programs that do so, and i found ettercap.
unfortunately, i've found that ettercap can only change in the payload of the packet, and not the header.
1- is it possible that ettercap - maybe after a modify in source code - can change the headers of packets.
2- after that how can this source code be compiled under windows, (win 7 specifically)?
thanks in advance
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