I wrote another stupid Linux device driver. :o
This time the driver uses netfilter and can catch various conditions of TCP/IP(v4, at this moment) protocol stack. I named it 'holden'. :)
It's available here.
Well, I heard Linux TCP/IP stack sometimes sent out TCP segments with both RST and ACK bits are ON, and I wanted to catch such an event. This is why I did this small work.
Anyway, it's just a relaxation before going into RFC 793 deeply.
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www.rstack.org --> Interesting stuff about security.
One of the members was my teacher at the University. He even came here in 2004 at the Blackhat conference.
Enjoy!
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