To generate *.ko file for install

write a Makefile and then follow the following Before use, should edit the IP adddress to target server address in the similar format as "\x67\xEB\x2E\x27"

To install the module, type

sudo insmod firewall_ip.ko

To remove the module, type:

sudo rmmod firewall_ip

To verify the module is actually loaded or unloaded, type:

dmesg | tail or dmesg