Apparatus and method for identifying a domain name system resource exhaustion attack
US9294490B1 · kind B1 · utility
2Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2014 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Oct 7, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/144
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A machine includes a processor and a memory connected to the processor. The memory stores instructions executed by the processor to identify a resource attack in response to spikes in the number of unique subdomains being queried and spikes in the number of timeouts or delayed responses from a specified name server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.