1. A method comprising: inspecting from a particular firewall, a first set of software applications running on a first machine under protection of said particular firewall; inspecting from said particular firewall, a different second set of software applications running on a different second machine under protection of said particular firewall; detecting a first set of vulnerabilities open on the first machine based on said inspecting of the first set of software applications running on the first machine, and a different second set of vulnerabilities open on the second machine based on said inspecting of the second set of software applications running on the second machine; and reconfiguring said particular firewall with (i) a first set of protections securing the first set of vulnerabilities in response to a request or messaging directed to the first machine and further in response to said detecting the first set of vulnerabilities, and (ii) a different second set of protections securing the second set of vulnerabilities in response to a request or messaging directed to the second machine and further in response to said detecting the second set of vulnerabilities.