Hello, a) Which firewall products have you used, which is your favorite and why?

Hello,

a) Which firewall products have you used, which is your favorite and why?

b) Post the potential benefits and drawbacks of using honeypots on a network. Consider if the use of a honeypot may inadvertently give an attacker a critical piece of information about a network, and whether such a risk outweighs the advantages.

Thank you.