Creating and Modifying Packets

[Hrishikesh Murali <hrishikeshmurali88 () gmail com>]

Hi,

Is it possible to create packets with customized HTTP/TCP/IP headers  and
then transmit them using wireshark? If not, is there a tool which makes this
possible?

Also, is it possible to temporarily capture packets using wireshark, modify
any content we want to, and then transmit them to their desired location?

I have another problem. I am connected in a LAN using ethernet, and I use
wireshark to sniff packets through my interface. Even though I enable
promiscuous mode, I am still only able to see packets going in and out of my
system, even though other users are active in the LAN. Does this mean the
network is a point-to-point network? Or is there any other possible
conclusion?

-- 
Thanks and Regards,
Hrishikesh Murali

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