How to Spoof ip in java

Question

How to change tcp information in layer 3 in java ?(ip spoofing) how to change layer 2 information ? is there any good library for it in java ? it need raw socket?

score 5 · Accepted Answer · answered Jun 01 '11 at 17:57

5

JpCap may be what you want http://netresearch.ics.uci.edu/kfujii/Jpcap/doc/

answered Jun 01 '11 at 17:57

Peter Lawrey

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Or jNetPcap (http://jnetpcap.com/) will also do it. I find http://jnetpcap.com/ easier to use. – Paul Cager Jun 01 '11 at 22:22
None of these links work. can anyone update these links? – Al-Alamin Nov 07 '17 at 10:38

score 3 · Answer 2 · answered Jun 01 '11 at 17:06

unfortunately to need access to the TCP/IP packet structures you need to work at very low level (you need the kernel headers in Linux for instance) so yes, you will definitely 100% need to do this outside java in a native library and call the code in your Java app.

How to Spoof ip in java

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