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Hi,all
I want to do something in this way:
All ip packets sent to a host A will be captured in A before the packets are passed to the high layer, i.e. the TCP or APP. And, all ip packets sent from A to some other host will be captured in low layer in A, i.e. Link layer, then the packet will be transferd. that means i can do something before a packet is passed to the TCP or APP and the same as before it is passed to the Link layer. I think, if i rewrite the ip stack in kernel, i can do it. but, is there a simple method to do this? for example, writing a module or a program, when i load the module or run the program, all will be ok. it is seem to be more difficult. and what is about the windows. i can't rebuild the windows. i didn't want something like
firewalls.
would you like to give me some suggestions? thx.
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姓名： 王金一 电话： (+86)10-58812325 单位： 中国科学院计算机网络信息中心 R&D 地址： 北京中关村南四街四号 邮编： 100080 email： [EMAIL PROTECTED] ----------------------------------------------------- Name: jinyi wang Phone: (86-10) 5881-2325 Division: R&D,Computer Network Information Center, Chinese Academy of Sciences Address: 4,4th South Street, Zhongguancun, Haidian District, Beijing, China Zip code: 100080 Email: [EMAIL PROTECTED] ===================================================== |
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