Re: Re: about wwwsensor!

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#6710

Vadim Smirnov
Moderator

if want return one block page to user how can i do? certain,i have read the topics beforetimes on the board. u had suggest us to modify the current packet. well, but if the current packet is not enought long,what can we do? i think u must be asked for many times,u can consider to release out a modify pakcet sdk!

This is a very general question. If there is not enough space in the original packet you can extend it to the maximum possible size or inject extra packets into the TCP stream. In both cases you have to care of about controlling the TCP connection state and modify SEQ/ACK fields of the follow up packets. I would advise to inject a simple and short HTTP redirect code instead of injecting extra packets, this would save you lots of time.