How can I design a Firewall software?
The design should have a layered approach.
How can I design a Firewall software?
The design should have a layered approach.
You don't really expect such kind of question to be answered, do you? Seems like you haven't put efforts into trying to solve your own question.
Analyze your requirements - and design accordingly. If you come up with your thoughts here - you'll have a better chance that someone could help you.
First analyze this rfc. Like the best April 1. jokes, it is totally true.