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1. 发明授权

US08560692B1 User-specific cache for URL filtering 有权
标题翻译：用户特定的缓存用于URL过滤
公开(公告)号：US08560692B1
公开(公告)日：2013-10-15
申请号：US11899609
申请日：2007-09-05
申请人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
发明人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： G06F17/30902
摘要： Cache storage area for caching data for URL filtering is reserved for each user in a multi-user computing environment. The cache storage area may include a user-specific cache with user cache areas allocated for each particular user. The user cache areas may include entries for data pertaining to URL filtering. For example, the entries may include URL filtering results or references to URL filtering results stored in a general cache. Cache data may include a reference count to indicate the number of users for which the data is being cached. The reference count may be taken into account in the maintenance of the general and user-specific cache areas.
摘要翻译：缓存用于缓存URL过滤数据的存储区域是为多用户计算环境中的每个用户预留的。高速缓存存储区域可以包括针对每个特定用户分配的用户高速缓存区域的用户特定高速缓存。用户缓存区域可以包括关于URL过滤的数据的条目。例如，条目可以包括URL过滤结果或对存储在通用高速缓存中的URL过滤结果的引用。缓存数据可以包括用于指示数据被缓存的用户数量的引用计数。在维护一般和用户特定缓存区域时，可以考虑引用计数。

2. 发明授权

US08082583B1 Delegation of content filtering services between a gateway and trusted clients in a computer network 有权
标题翻译：在计算机网络中的网关和受信任的客户端之间委派内容过滤服务
公开(公告)号：US08082583B1
公开(公告)日：2011-12-20
申请号：US11825935
申请日：2007-07-09
申请人： Narasimham Kodukula , Bharath Kumar Chandra Sekhar
发明人： Narasimham Kodukula , Bharath Kumar Chandra Sekhar
IPC分类号： G06F11/00
CPC分类号： G06F21/606 , H04L51/12 , H04L63/0227 , H04L63/205
摘要： Method and system for performing content filtering services in a computer network. A gateway computer may be configured to be in the data path of network communications between client computers in a private computer network and computers in a public computer network. A master entity in the gateway computer may be configured to determine content filtering services available in the client computers. The master entity may delegate to the client computers performance of content filtering services that may be reliably performed in the client computers. Each of the client computers may include a trusted agent in communication with the master entity to coordinate content filtering in the private computer network.
摘要翻译：在计算机网络中执行内容过滤服务的方法和系统。网关计算机可以被配置为位于专用计算机网络中的客户端计算机和公共计算机网络中的计算机之间的网络通信的数据路径中。网关计算机中的主实体可以被配置为确定客户端计算机中可用的内容过滤服务。主实体可以委托客户端计算机执行可在客户端计算机中可靠执行的内容过滤服务。每个客户端计算机可以包括与主实体通信的可信代理，以协调专用计算机网络中的内容过滤。

3. 发明授权

US07818343B1 Apparatus and methods for reputation-based filtering on a communication network 有权
标题翻译：在通信网络上进行基于信誉的过滤的装置和方法
公开(公告)号：US07818343B1
公开(公告)日：2010-10-19
申请号：US11693582
申请日：2007-03-29
申请人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
发明人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06Q10/10
摘要： A method for providing reputation information concerning a domain is disclosed. The domain may include one or more devices on a network. The method may include retrieving a first reputation pertaining to a first function of the domain. The method may also include generating a message containing information pertaining to the first reputation and at least a second reputation, wherein the second reputation pertains to a second function of the domain.
摘要翻译：公开了一种用于提供关于域的信誉信息的方法。域可以包括网络上的一个或多个设备。该方法可以包括检索属于该域的第一功能的第一信誉。该方法还可以包括生成包含与第一信誉有关的信息和至少第二信誉的消息，其中第二信誉属于域的第二功能。

4. 发明授权

US07606214B1 Anti-spam implementations in a router at the network layer 有权
标题翻译：在网络层的路由器中的反垃圾邮件实现
公开(公告)号：US07606214B1
公开(公告)日：2009-10-20
申请号：US11521893
申请日：2006-09-14
申请人： Bharath Kumar Chandra Sekhar , Jianda Li , Shuosen Robert Liu , Narasimham Kodukula
发明人： Bharath Kumar Chandra Sekhar , Jianda Li , Shuosen Robert Liu , Narasimham Kodukula
IPC分类号： H04L12/28
CPC分类号： H04L51/28 , H04L51/12
摘要： In one embodiment, a router inspects at a network layer source addresses of network layer packets flowing through the router. The router compares the source addresses to addresses of computers employed by spammers, and performs a predetermined action on a particular network layer packet having a source address that belongs to a computer of a spammer. The predetermined action may involve dropping the particular network layer packet or limiting the data transfer rate of the particular network layer packet.
摘要翻译：在一个实施例中，路由器在网络层检查流经路由器的网络层分组的源地址。路由器将源地址与垃圾邮件发送者使用的计算机的地址进行比较，并对具有属于垃圾邮件发送者的计算机的源地址的特定网络层分组执行预定动作。预定动作可以包括丢弃特定网络层分组或限制特定网络层分组的数据传输速率。

5. 发明授权

US08838741B1 Pre-emptive URL filtering technique 有权
标题翻译：抢先的URL过滤技术
公开(公告)号：US08838741B1
公开(公告)日：2014-09-16
申请号：US11899607
申请日：2007-09-05
申请人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
发明人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
IPC分类号： G06F15/16
CPC分类号： H04L63/168 , H04L63/02
摘要： Disclosed is a technique for pre-emptive URL filtering. A filtering engine may be configured to receive an original set of URLs from a web server along with a main content, the original set of URLs and the main content being intended for a web browser running in a client computer. The filtering engine may be running in a gateway. The filtering engine may check the original set of URLs for blocked URLs. The filtering engine may create a reconstructed set of URLs that suppresses blocked URLs in the original set of URLs. The filtering engine may send the client computer the reconstructed, instead of the original, set of URLs. This advantageously cuts down on the number of HTTP connections that have to be made by the browser, and corresponding URL filtering at the gateway, in situations where there is a blocked URL in the original URL set.
摘要翻译：披露了一种用于抢占式URL过滤的技术。过滤引擎可以被配置为从web服务器接收原始的一组URL以及主要内容，原始的一组URL和主要内容是用于在客户端计算机中运行的web浏览器。过滤引擎可能在网关中运行。过滤引擎可以检查被阻止的URL的原始URL URL。过滤引擎可以创建重建的URL集合，其抑制原始URL URL中的被阻止的URL。过滤引擎可以将客户端计算机重新发送，而不是原始的URL集合。这有利于在原始URL集合中存在被阻止的URL的情况下减少浏览器必须进行的HTTP连接的数量以及网关处的相应的URL过滤。

6. 发明授权

US08838773B1 Detecting anonymized data traffic 有权
标题翻译：检测匿名数据流量
公开(公告)号：US08838773B1
公开(公告)日：2014-09-16
申请号：US11537483
申请日：2006-09-29
申请人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
发明人： Bharath Kumar Chandra Sekhar , Narasimham Kodukula
IPC分类号： G06F15/173
CPC分类号： H04L63/168 , H04L63/1416
摘要： Computer implemented methods and apparatuses for detecting and/or blocking anonymized data even if the user employs a web server that is not known to the web filter to be an anonymizing web server (such as a user-hosted anonymizer). The anonymize attempt may be detected by monitoring for the HTTP 302 Moved message and parsing the HTTP 302 Moved message for URLs, which may then be checked for unapproved content. The anonymize attempt may, additionally or alternatively, be detected by looking the IP addresses in an IP address rating database to detect suspicious traffic.
摘要翻译：即使用户使用Web过滤器不知道的Web服务器作为匿名Web服务器（例如用户托管的匿名器），也可以用于检测和/或阻止匿名数据的计算机实现的方法和装置。可以通过监视HTTP 302移动消息并解析URL的HTTP 302移动消息来检测匿名尝试，然后可以检查未经批准的内容。通过查看IP地址等级数据库中的IP地址来检测匿名尝试，以检测可疑流量。

7. 发明授权

US08826013B1 Protection of customer data in cloud virtual machines using a central management server 有权
标题翻译：使用中央管理服务器保护云虚拟机中的客户数据
公开(公告)号：US08826013B1
公开(公告)日：2014-09-02
申请号：US12565561
申请日：2009-09-23
申请人： Narasimham Kodukula , Andrew John Dancer , Bharath Kumar Chandrasekhar
发明人： Narasimham Kodukula , Andrew John Dancer , Bharath Kumar Chandrasekhar
IPC分类号： G06F21/00
CPC分类号： G06F21/6209 , G06F21/53 , G06F21/64
摘要： A cloud computing environment includes a key management server and a cloud computer system running several virtual machines. A virtual machine hosted by the cloud computer system includes an integrity check module for checking the integrity of the virtual machine and getting identity information of the virtual machine. The integrity check module sends a key request to a key management server, which provides key service to different cloud computer systems. The key management server validates the request and, if the request is valid, provides the key to the virtual machine. The key is used to unlock an encrypted file system in the virtual machine.
摘要翻译：云计算环境包括密钥管理服务器和运行多个虚拟机的云计算机系统。由云计算机系统托管的虚拟机包括用于检查虚拟机的完整性并获得虚拟机的身份信息的完整性检查模块。完整性检查模块向密钥管理服务器发送密钥请求，密钥管理服务器向不同的云计算机系统提供密钥服务。密钥管理服务器验证请求，如果请求有效，则向虚拟机提供密钥。该密钥用于解锁虚拟机中的加密文件系统。

8. 发明授权

US08601583B1 Certification of virtual machine images in cloud computing environments 有权
标题翻译：虚拟机映像在云计算环境中的认证
公开(公告)号：US08601583B1
公开(公告)日：2013-12-03
申请号：US13087186
申请日：2011-04-14
申请人： Bharath Kumar Chandrasekhar , Narasimham Kodukula
发明人： Bharath Kumar Chandrasekhar , Narasimham Kodukula
IPC分类号： G06F21/00
CPC分类号： G06F21/562 , G06F9/45558 , G06F21/54 , G06F21/56 , G06F21/566 , G06F21/57 , G06F21/577 , G06F2009/45587
摘要： Virtual machine images in a cloud computing environment may be certified using a validator machine image. The validator machine image is configured to boot a validator virtual machine, which boots a virtual machine off a virtual machine image from among virtual machine images available in the catalog of the cloud computing environment. The validator virtual machine may scan the virtual machine for malware, including computer viruses. A virtual machine image from among the virtual machine images may be packaged to include a certifier agent that verifies the virtual machine image upon execution. Reputation of virtual machine images may be stored in a virtual machine image reputation database and made available by way of a portal.
摘要翻译：云计算环境中的虚拟机映像可以使用验证器机器映像进行认证。验证器机器映像被配置为引导验证器虚拟机，该验证器虚拟机从虚拟机映像中引导虚拟机从云计算环境的目录中可用的虚拟机映像。验证器虚拟机可能会扫描虚拟机中的恶意软件，包括计算机病毒。来自虚拟机映像的虚拟机映像可以被打包以包括在执行时验证虚拟机映像的验证者代理。虚拟机映像的声望可以存储在虚拟机映像信誉数据库中，并且可以通过门户网站获得。

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