5. Conclusions
In this paper, we propose a structure to implement the distributed firewall system.
We implement the concept of the distributed firewall to effectively prevent attacks and threats
from both the Internet and the intranet.
And we also combine the functions of firewall and the central security policy server into the embedded system as a network interface card.
The experimental results show our DSS with EFW structure achieve our goal of implementation
of an independent firewall, which is portable and convenient.
For the future work, we plan to do stress testing on our proposed DSS with EFW structure
to verify its robustness under a heavy load of traffic.
Besides, we plan to do various types of attacks to validate that our proposed structure can be used to improve Internet security for
users.