| 摘要 |
<p>A method of detecting and blocking a malicious SSL connection at a client computer. The method comprises identifying, at a network firewall level, an outbound SSL connection being set up at the client computer; detecting an SSL certificate associated with the SSL connection; sending a request to a central server for reputation information on the SSL certificate; at the central server, determining reputation information in dependence upon the SSL certificate; providing said reputation information from the central server to the client computer; and using the reputation information at the client computer to determine whether or not to block the connection.</p> |
