- 专利标题： Methods, systems, and computer readable media for protecting against mass network function (NF) deregistration attacks
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申请号： US17314329申请日： 2021-05-07
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公开(公告)号： US11638155B2公开(公告)日： 2023-04-25
- 发明人: Jay Rajput , Virendra Singh , Amarnath Jayaramachar
- 申请人： Oracle International Corporation
- 申请人地址： US CA Redwood Shores
- 专利权人： Oracle International Corporation
- 当前专利权人： Oracle International Corporation
- 当前专利权人地址： US CA Redwood Shores
- 代理机构： Jenkins, Wilson, Taylor & Hunt, P.A.
- 主分类号： H04W48/02
- IPC分类号： H04W48/02 ; H04W12/122
摘要：
A method for protecting against mass NF deregistration attacks can be performed at an NRF or SCP. The method includes receiving an NFDeregister request for deregistering an NF. The method further includes classifying the NFDeregister request as suspect based on application of suspect NFDeregister request classification rules. The method further includes in response to classifying the NFDeregister request as suspect, queueing the NFDeregister request. The method further includes receiving an NF heart-beat message concerning the NF. The method further includes determining that the NF heart-beat message is received within an NF heart-beat time interval for the NF. The method further includes in response to determining that the NF heart-beat message is received within the NF heart-beat time interval for the NF, preventing processing of the NF Deregister request and blacklisting a sender of the NFDeregister request.