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一种新的SIP泛洪攻击检测方法
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作者 常国锋 焦大军 孙悦 《电信科学》 北大核心 2011年第12期48-52,共5页
IMS(IP multimedia subsystem,IP多媒体子系统)是3G系统中核心网的重要部分,它由SIP提供的会话发起能力建立端到端的会话,并获得所需要的服务质量。针对IMS网络中存在的SIP泛洪攻击,本文在详细分析SIP泛洪攻击原理和实现过程的基础上,... IMS(IP multimedia subsystem,IP多媒体子系统)是3G系统中核心网的重要部分,它由SIP提供的会话发起能力建立端到端的会话,并获得所需要的服务质量。针对IMS网络中存在的SIP泛洪攻击,本文在详细分析SIP泛洪攻击原理和实现过程的基础上,提出了一种基于累积和算法的SIP泛洪攻击检测方法。该方法首先对接收到的SIP数据分组中的invite消息的数量进行统计,然后将统计结果输入累积和算法,以检测是否发生SIP消息泛洪攻击,最后通过设置的阈值判决检测结果。实验结果表明,本文提出的方法能够有效地检测IMS网络中的SIP泛洪攻击。 展开更多
关键词 IMS网络 SIP 泛洪攻击 invite消息 累积和算法
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WORLD NEWS IN BRIEF(September 26-October 10,1994)
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《国际展望》 北大核心 1994年第20期32-32,共1页
An Estonian passenger ferry carrying 867 people sank in a storm off southwest Finland on September 28 and officials said fewer than 100 had been rescued. The Estonia, sailing from the Estonian capital of Tallinn to St... An Estonian passenger ferry carrying 867 people sank in a storm off southwest Finland on September 28 and officials said fewer than 100 had been rescued. The Estonia, sailing from the Estonian capital of Tallinn to Stockholm, sank with dramatic speed dragging hundreds of passengers and crew into the chilly Baltic Sea. A massive rescue effort was launched with ships and holicopters from Finland, Sweden and denmark. 展开更多
关键词 FINLAND OFFICIALS carrying hundreds PASSENGER STORM DRAMATIC Sweden massive invitation
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2015年第17届国际近红外光谱大会(英文)
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《光谱学与光谱分析》 SCIE EI CAS CSCD 北大核心 2015年第7期1807-1807,共1页
We are pleased to invite you to attend the 17th International Conference on Near Infrared Spectroscopy,NIR 2015,the most important international event in this area.NIR 2015is organized under the auspicious of the Inte... We are pleased to invite you to attend the 17th International Conference on Near Infrared Spectroscopy,NIR 2015,the most important international event in this area.NIR 2015is organized under the auspicious of the International Council for Near Infrared Spectroscopy(ICNIRS),and 展开更多
关键词 INFRARED pleased invite 红外光谱 attend Brazil ORGANIZED SUBMISSION visited COMMITTEE
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1^(st) bulletin for the 7th international conference on unsaturated soils(call for abstracts)
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《岩土工程学报》 EI CAS CSCD 北大核心 2015年第10期1855-1855,共1页
The 7th international conference on unsaturated soils(3rd–5th August 2018)is organised by the Hong Kong University of Science and Technology and supported by:TC106 Unsaturated Soils of ISSMGE;Hong Kong Geotechnica... The 7th international conference on unsaturated soils(3rd–5th August 2018)is organised by the Hong Kong University of Science and Technology and supported by:TC106 Unsaturated Soils of ISSMGE;Hong Kong Geotechnical Society;Geotechnical Division of Hong Kong Institution of Engineers; 展开更多
关键词 UNSATURATED ABSTRACTS INSTITUTION BULLETIN SUBMISSION acceptance Engineers pleased invite TEMPLATE
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2016国际人工智能联合会议(英文)
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《智能系统学报》 CSCD 北大核心 2016年第1期26-26,共1页
July 9th-15th,2016,New York City,NY,USAWe are delighted to invite you to come to New York,one of the most exciting cities of the world,and take part in IJCAI,the leading conference on the thrilling field of Artificial... July 9th-15th,2016,New York City,NY,USAWe are delighted to invite you to come to New York,one of the most exciting cities of the world,and take part in IJCAI,the leading conference on the thrilling field of Artificial Intelligence.AI today has a tremendous impact.It is in all the media and makes a real difference.At IJCAI-16,you will have the opportunity to meet some of the world's leading AI researchers,to learn first-hand about their newest research results and developments,and to catch up with current AI trends in science and industry.And,of course,IJCAI-16 will be the perfect forum for presenting your own achievements, 展开更多
关键词 OPPORTUNITY invite PERFECT today CATCH tremendous EXCITING 联合会议 WELCOME PLEASE
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第四届GeoShanghai国际会议通知(英文)
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《岩土工程学报》 EI CAS CSCD 北大核心 2017年第5期821-821,共1页
Geo Shanghai is a series of international conferences on geotechnical engineering held in Shanghai every four years.The conference was inaugurated in 2006 and was successfully held in2010 and 2014,with more than 1200 ... Geo Shanghai is a series of international conferences on geotechnical engineering held in Shanghai every four years.The conference was inaugurated in 2006 and was successfully held in2010 and 2014,with more than 1200 participants in total.Since the last conference,the geotechnical communities have witnessed many advances both in fundamental understandings and engineering practices. To show the latest developments and promote collaborations in geotechnical engineering and related topics, the organizers of the GeoShanghai International Conference would like to invite 'you to participate in the 4th GeoShanghai International Conference to be held in Shanghai in May 2018. 展开更多
关键词 会议通知 GeoShanghai witnessed GEOTECHNICAL ADVANCES CITATION submitted INSTRUCTIONS WELCOME invite
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aBIOTECH征稿通知
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《生物技术通报》 CAS CSCD 北大核心 2023年第1期F0004-F0004,共1页
Special Issue on Plant-Microbe Interactions We would like to invite you to contribute a research or review article in the following areas:Molecular basis of the interaction between plant and its pathogens.How the plan... Special Issue on Plant-Microbe Interactions We would like to invite you to contribute a research or review article in the following areas:Molecular basis of the interaction between plant and its pathogens.How the plant immune system orchestrates interactions with beneficial microbes and pathogens.Molecular mechanisms of regulating colonization,pathogen inhibition and induced systemic resistance by microbial interactions. 展开更多
关键词 interactions. invite REGULATING
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2016机器学习国际会议(英文)
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《智能系统学报》 CSCD 北大核心 2016年第1期110-110,共1页
June 19-June 24,2016,New York City,NY,USA ICML is the leading international machine learning conference and is supported by the International Machine Learning Society(IMLS).The 33rd International Conference on Machine... June 19-June 24,2016,New York City,NY,USA ICML is the leading international machine learning conference and is supported by the International Machine Learning Society(IMLS).The 33rd International Conference on Machine Learning(ICML 2016)will be held in New York City from June 19 to24,2016.The conference will consist of one day of tutorials,followed by three days of main conference sessions。 展开更多
关键词 机器学习 invite HTTP
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介绍Radio Peking(续)
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作者 曹务堂 《山东外语教学》 1980年第2期86-88,共3页
4、报道、评论及其他(Reports Cmmentareis and Other Programmes)Rad Pekin 除了广播新闻和固定节目外,还播送报道(report)、评论(commentary)、通讯(aispatch)、摘要(summary)、节录(excerpt)、广播谈话(radio talk)、介绍(introducti... 4、报道、评论及其他(Reports Cmmentareis and Other Programmes)Rad Pekin 除了广播新闻和固定节目外,还播送报道(report)、评论(commentary)、通讯(aispatch)、摘要(summary)、节录(excerpt)、广播谈话(radio talk)、介绍(introduction)、访问记(visit)和体育节目(sports item)等,内容丰富多彩。 展开更多
关键词 PEKING 广播新闻 体育节目 SPORTS 访问记 COMMENTARY LISTEN entitled invite 口语体
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