Host trust report based filtering mechanism in a reverse firewall

摘要

Disclosed is a computer implemented method to report a bad host. A receiver host receives a packet from a sender host. The receiver host detects that the packet contains suspect hostile content. The receiver host transmits a negative trust report.

主权项

1. A computer implemented method to report a bad host, the computer implemented method comprising:
a receiver host receiving a packet from a sender host; the receiver host detecting that the packet contains suspect hostile content; the receiver host transmitting a negative trust report to a reverse firewall; the receiver host receiving a request for a demanded positive trust report from the reverse firewall, wherein the reverse firewall connects a first network hosting the receiver host to a second network hosting the sender host that is described in the request for the demanded positive trust report; responsive to receiving the request for the demanded positive trust report, incrementing a count; the receiver host determining whether the count is below a threshold number of demanded positive trust reports; responsive to a determination that the count is below the threshold number of demanded positive trust reports, the receiver host determining whether the sender host is marked good; and responsive to a determination that the sender host is marked good, the receiver host transmitting a positive trust report to the reverse firewall.