linux blr wrote:
hi all,
plz let me know how can i execute a program everytime
there is a match, for example,
everytime my Linux box receives a packet with SYN bit
ON, instead of taking normal actions like
ALLOW,DROP,REJECT, i want to execute a command.
google wasn't able to help me, hope this list will..
cheers,
mayank.
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Hi,
I am not a netfilter guru .So, the information i am giving may be wrong .
You need to write a program in which u register to the netfiler hooks
and then do what u wanna do.
Read the article at following link:-
_http://www.linuxjournal.com/article/7184
_Here, main_hook is replace with ur function which perform the operation
that u wanna do .
netfilter_ops_out.hook = main_hook;
Thanks,
Vikrant