That's like saying what's the best car for most people. It will depend on your requirements.
I've use the Windows defaults as well as the ones on my router and find them to be adequate.
More information would be needed to make proper recommendations. What operating system and network configuration do you have?
The weakest link is often the user as one click on a malicious link or attachment can defeat well planned security.
This is a good read to help with making things more secure: