nfhook is a netfilter hook framework which can support different hook APIs in Linux kernels.
- Define default hook points
- Provide a generic hook interface
- Support net namespaces
- checkout out code
- install build essential packages and the kernel header
- make all
$ sudo insmod nfhook.ko
$ sudo insmod test_hook.ko
$ tail -f /var/log/kern.log- see nfhook.h for details
- see test_hook.c for the sample