Apparatus for monitoring network traffic
US7849502B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2007 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Aug 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A data processing apparatus can perform HTTP traffic monitoring and filtering of HTTP requests from clients and responses from servers. Example apparatus comprises a processor, a first network interface to a protected network, a second network interface to an external network, and a traffic monitor having an address-domain name database, a firewall rules manager, and a DNS snooper. The traffic monitor accesses a blacklist and can perform receiving, from a client computer, a request to access a resource in the external network; blocking the request to the resource when a user agent of the client is in the blacklist as malicious software or when a file extension in a response to the request is in the blacklist; requesting, from a web reputation service, and receiving a reputation score indicating a reputation of the resource; blocking sending the request to the resource when the reputation is below a specified threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.