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1. 发明申请

US20190334946A1 DEFENSE AGAINST NXDOMAIN HIJACKING IN DOMAIN NAME SYSTEMS 审中-公开
公开(公告)号：US20190334946A1
公开(公告)日：2019-10-31
申请号：US16352929
申请日：2019-03-14
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06 , G06F16/955 , H04L29/12 , G06F21/00
摘要： Various techniques for providing defense against NXDOMAIN hijacking in domain name systems are disclosed herein. In one embodiment, a method includes receiving a user input from a user to a search box in an application executing on a computing device connected to the Internet via a facility provided by an internal service provider (“ISP”) and resolving the received user input to the search box as a DNS query without using a caching server provided by the ISP. The method can then include determining whether the DNS query causes an NXDOMAIN condition and in response to determining that the DNS query causes an NXDOMAIN condition, indicating that the received user input does not have a corresponding IP address in the domain name system.

2. 发明申请

US20170171242A1 DEFENSE AGAINST NXDOMAIN HIJACKING IN DOMAIN NAME SYSTEMS 审中-公开
公开(公告)号：US20170171242A1
公开(公告)日：2017-06-15
申请号：US14969955
申请日：2015-12-15
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06 , H04L29/12 , G06F3/0484 , G06F17/30
CPC分类号： H04L63/1466 , G06F17/30887 , G06F21/00 , H04L61/1511 , H04L61/6009 , H04L63/1483
摘要： Various techniques for providing defense against NXDOMAIN hijacking in domain name systems are disclosed herein. In one embodiment, a method includes receiving a user input from a user to a search box in an application executing on a computing device connected to the Internet via a facility provided by an internal service provider (“ISP”) and resolving the received user input to the search box as a DNS query without using a caching server provided by the ISP. The method can then include determining whether the DNS query causes an NXDOMAIN condition and in response to determining that the DNS query causes an NXDOMAIN condition, indicating that the received user input does not have a corresponding IP address in the domain name system.

3. 发明申请

US20180091549A1 MITIGATION OF COMPUTER NETWORK ATTACKS 审中-公开
公开(公告)号：US20180091549A1
公开(公告)日：2018-03-29
申请号：US15817575
申请日：2017-11-20
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06
CPC分类号： H04L63/1458 , H04L63/0236 , H04L63/10 , H04L63/1408 , H04L63/1416 , H04L63/1441 , H04L63/20
摘要： Various techniques for mitigating computer network attacks are disclosed herein. In one embodiment, a method includes receiving indications of denial of service attacks from multiple target computing systems and determining one or more sources from which the denial of service attacks are deemed to originate in response to the received indications of denial of service attacks from the target computing systems. The method also includes negotiating with the network aggregation point for permission to divert network traffic originated from the one or more of the determined sources and destined to the target computing systems to the gateway.

4. 发明授权

US09819760B2 Method and system for accelerated on-premise content delivery 有权
公开(公告)号：US09819760B2
公开(公告)日：2017-11-14
申请号：US14613198
申请日：2015-02-03
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： G06F15/173 , H04L29/08 , H04L29/06 , H04N21/20 , H04N21/231 , H04N21/222 , H04N21/239
CPC分类号： H04L67/2842 , H04L65/1069 , H04L65/4084 , H04L65/80 , H04L67/10 , H04L67/1061 , H04L67/2847 , H04L67/30 , H04N21/20 , H04N21/222 , H04N21/231 , H04N21/23106 , H04N21/2393
摘要： In various embodiments, methods and systems for accelerating on-premise delivery of content items using a unified content delivery network system are provided. A request is received from a content device for a content item. The request is communicated using a content delivery network protocol where the content delivery network protocol supports a unified content delivery network profile between content devices, local off-net cache devices, and content delivery network platform servers. A determination that the content item is not cached at a local off-net cache device is made, where the local off-net cache device is identified in the unified content delivery network profile as corresponding to one or more content devices. A retrieval routine for downloading the content item to the content device is selected; the retrieval routine is selected using the unified content delivery network profile. The content item is retrieved to the content device using the selected retrieval routine.

5. 发明申请

US20160373479A1 ADVANCED SECURITY FOR DOMAIN NAMES 有权
标题翻译：域名的高级安全
公开(公告)号：US20160373479A1
公开(公告)日：2016-12-22
申请号：US14742945
申请日：2015-06-18
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06 , H04L29/08 , H04L29/12
CPC分类号： H04L63/1433 , H04L61/1511 , H04L61/2007 , H04L61/302 , H04L63/083 , H04L63/1483 , H04L67/02 , H04L67/10
摘要： Various techniques for improving security of domain name records are disclosed herein. In one embodiment, a method includes receiving a request to modify a domain name record containing a first domain name server to containing a second domain name server. In response to the received request, the first and second domain name servers are individually queries for corresponding first and second security records. The method can also include receiving the first and second security records from the first and second domain name servers, respectively and determining whether to allow the domain name record to be modified based on a comparison of the first and second security records.
摘要翻译：本文公开了用于提高域名记录的安全性的各种技术。在一个实施例中，一种方法包括接收修改包含第一域名服务器以包含第二域名服务器的域名记录的请求。响应于接收到的请求，第一和第二域名服务器是相应的第一和第二安全记录的单独查询。该方法还可以包括分别从第一和第二域名服务器接收第一和第二安全记录，并且基于第一和第二安全记录的比较来确定是否允许修改域名记录。

6. 发明授权

US10298539B2 Passive delegations and records 有权
公开(公告)号：US10298539B2
公开(公告)日：2019-05-21
申请号：US14795082
申请日：2015-07-09
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin , Kresimir Bozic
IPC分类号： H04L29/12 , H04L29/06 , H04L29/14
摘要： Various techniques for managing backup for domain nameservers are disclosed herein. In one embodiment, a method includes receiving a nameserver record associated with a domain name. The nameserver record containing addresses of an active nameserver and a passive nameserver. The method also includes determining if the active nameserver is reachable by contacting the active nameserver based on the address of the active nameserver in the nameserver record. In response to determining that (i) the active nameserver is unreachable and (ii) the nameserver record does not include an address of an additional active nameserver, the method includes contacting the passive nameserver for resolving the domain name based on the address of the passive nameserver in the nameserver record.

7. 发明授权

US09853998B2 Mitigation of computer network attacks 有权
公开(公告)号：US09853998B2
公开(公告)日：2017-12-26
申请号：US15446669
申请日：2017-03-01
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06
CPC分类号： H04L63/1458 , H04L63/0236 , H04L63/10 , H04L63/1408 , H04L63/1416 , H04L63/1441 , H04L63/20
摘要： Various techniques for mitigating computer network attacks are disclosed herein. In one embodiment, a method includes receiving indications of denial of service attacks from multiple target computing systems and determining one or more sources from which the denial of service attacks are deemed to originate in response to the received indications of denial of service attacks from the target computing systems. The method also includes negotiating with the network aggregation point for permission to divert network traffic originated from the one or more of the determined sources and destined to the target computing systems to the gateway.

8. 发明申请

US20160301656A1 REMOTE PURGE OF DNS CACHE 有权
标题翻译：远程使用DNS缓存
公开(公告)号：US20160301656A1
公开(公告)日：2016-10-13
申请号：US14685459
申请日：2015-04-13
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/12
CPC分类号： H04L61/1511 , H04L61/6009
摘要： Various techniques for purging resource records stored in a cache of domain name system servers are disclosed herein. In one embodiment, a method includes receiving, at a caching server, a DNS query via a computer network. In response to receiving the DNS query, the caching server determines if the received DNS query indicates a request to purge the one or more resource records stored in the DNS cache on the caching server. In response to determining that the received DNS query indicates a request to purge the one or more resource records stored in the DNS cache on the caching server, the caching server purges the one or more resource records from the DNS cache on the caching server.
摘要翻译：本文公开了用于清除存储在域名系统服务器的高速缓存中的资源记录的各种技术。在一个实施例中，一种方法包括在缓存服务器处经由计算机网络接收DNS查询。响应于接收到DNS查询，缓存服务器确定接收到的DNS查询是否指示清除存储在缓存服务器上的DNS缓存中的一个或多个资源记录的请求。响应于确定接收到的DNS查询指示清除存储在缓存服务器上的DNS缓存中的一个或多个资源记录的请求，高速缓存服务器从缓存服务器上的DNS缓存清除一个或多个资源记录。

9. 发明授权

US10270806B2 Defense against NXDOMAIN hijacking in domain name systems 有权
公开(公告)号：US10270806B2
公开(公告)日：2019-04-23
申请号：US14969955
申请日：2015-12-15
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06 , H04L29/12 , G06F21/00 , G06F17/30
摘要： Various techniques for providing defense against NXDOMAIN hijacking in domain name systems are disclosed herein. In one embodiment, a method includes receiving a user input from a user to a search box in an application executing on a computing device connected to the Internet via a facility provided by an internal service provider (“ISP”) and resolving the received user input to the search box as a DNS query without using a caching server provided by the ISP. The method can then include determining whether the DNS query causes an NXDOMAIN condition and in response to determining that the DNS query causes an NXDOMAIN condition, indicating that the received user input does not have a corresponding IP address in the domain name system.

10. 发明授权

US10187422B2 Mitigation of computer network attacks 有权
公开(公告)号：US10187422B2
公开(公告)日：2019-01-22
申请号：US15817575
申请日：2017-11-20
申请人： Microsoft Technology Licensing, LLC
发明人： Mehmet Akcin
IPC分类号： H04L29/06
摘要： Various techniques for mitigating computer network attacks are disclosed herein. In one embodiment, a method includes receiving indications of denial of service attacks from multiple target computing systems and determining one or more sources from which the denial of service attacks are deemed to originate in response to the received indications of denial of service attacks from the target computing systems. The method also includes negotiating with the network aggregation point for permission to divert network traffic originated from the one or more of the determined sources and destined to the target computing systems to the gateway.

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