Monitoring NAT behaviors through URI dereferences in web browsers
US9379952B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2013 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Jan 1, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/2514
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method comprising dereferencing, in a web browser, a Uniform Resource Identifier (URI) comprising a web resource and a reflex tag, creating a request message comprising a request for the web resource and a reflex request corresponding to the reflex tag, wherein the reflex request is a request for address and port information from a web server comprising the web resource, encapsulating the request message in a transport message comprising an Internet Protocol (IP) address and a port of the web browser, transmitting the transport message to the web server, receiving a response message from the web server, wherein the response message comprises a second IP address and a second port number of the browser as seen by the web server, and determining a characteristic of at least one Network Address Translation (NAT) device coupled between the web browser and the web server based on the second IP address and second port number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.