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    • 5. 发明申请
    • EXTENSIONS TO FILTER ON IPV6 HEADER
    • 扩展IPV6头过滤器
    • WO2005120010A1
    • 2005-12-15
    • PCT/IB2005/001401
    • 2005-05-23
    • NOKIA CORPORATIONNOKIA INC.
    • LE, FrankFACCIN, Stefano
    • H04L29/06
    • H04L63/0227H04L63/029H04L69/22
    • A network implementing at least one firewall for providing protection for users on the network. The network includes at least one host system protected by the at least one firewall, the host system being configured to send and receive information from external host systems through the at least one firewall. The at least one firewall including installation means for installing policy rules that are transmitted form at least one network entity to the at least one firewall. The policy rules include an option field for allowing the at least one network entity to send additional information to the firewall. The additional information relating to at least one type of information used in at least one of a Internet Protocol version 6 protocol or a mobile Internet Protocol version 6 protocol. The additional information is optionally used by the at least one firewall to filter on data travelling through the at least one firewall.
    • 实现至少一个防火墙的网络,用于为网络上的用户提供保护。 该网络包括由至少一个防火墙保护的至少一个主机系统,主机系统被配置为通过至少一个防火墙从外部主机系统发送和接收信息。 所述至少一个防火墙包括用于安装从至少一个网络实体发送到所述至少一个防火墙的策略规则的安装装置。 策略规则包括用于允许至少一个网络实体向防火墙发送附加信息的选项字段。 关于在因特网协议版本6协议或移动因特网协议版本6协议中的至少一个中使用的至少一种类型的信息的附加信息。 所述附加信息可选地由所述至少一个防火墙使用以过滤穿过所述至少一个防火墙的数据。
    • 6. 发明申请
    • A METHOD TO SUPPORT MOBILE IP MOBILITY IN 3GPP NETWORKS WITH SIP ESTABLISHED COMMUNICATIONS
    • 支持3GPP网络中移动IP移动性的方法与SIP建立通信
    • WO2005064890A1
    • 2005-07-14
    • PCT/IB2004/004256
    • 2004-12-15
    • NOKIA CORPORATIONLE, FranckFACCIN, StefanoPURNADI, ReneGRECH, Sandro
    • LE, FranckFACCIN, StefanoPURNADI, ReneGRECH, Sandro
    • H04L29/06
    • H04L63/0236H04L29/06027H04L63/0254H04L63/029H04L65/1006H04L65/1016H04L65/80H04W80/04H04W80/10
    • The invention proposes a method for controlling a connection between a first network node and a second network node, wherein the connection is controlled by a packet filtering function filtering packets such that a packet is discarded in case a source address and/or a destination address do not comply with a filtering rule, wherein the packet filtering function is configured at a connection set up, and at least one of the first or second network node is adapted to change its address, the method comprising the steps of informing the packet filtering function about the new address of the network node having changed its address, and updating the packet filter of the packet filtering function by using the new address of the network node having changed its address. The invention also proposes a corresponding network system comprising at least a network node and a packet filtering network element. Furthermore, the invention proposes a corresponding packet filtering network device.
    • 本发明提出了一种用于控制第一网络节点和第二网络节点之间的连接的方法,其中所述连接由过滤分组的分组过滤功能控制,使得在源地址和/或目的地地址做的情况下丢弃分组 不符合过滤规则,其中所述包过滤功能被配置在建立的连接处,并且所述第一或第二网络节点中的至少一个适于改变其地址,所述方法包括以下步骤:通知所述包过滤功能关于 网络节点的新地址已经改变了其地址,并且通过使用已经改变了其地址的网络节点的新地址来更新分组过滤功能的分组过滤器。 本发明还提出了至少包括网络节点和分组过滤网络元件的对应网络系统。 此外,本发明提出了一种相应的分组过滤网络设备。
    • 7. 发明申请
    • METHOD AND SYSTEM FOR FILTERING MULTIMEDIA TRAFFIC BASED ON IP ADDRESS BINDINGS
    • 基于IP地址绑定过滤多媒体业务的方法和系统
    • WO2005053275A1
    • 2005-06-09
    • PCT/IB2004/003850
    • 2004-11-24
    • NOKIA CORPORATIONLE, FrankFACCIN, Stefano
    • LE, FrankFACCIN, Stefano
    • H04L29/12
    • H04L63/0209H04L29/12009H04L29/1233H04L29/12358H04L29/12547H04L41/0604H04L61/251H04L61/2582H04L63/0254H04L63/029H04L65/1006H04L65/1016
    • Methods and correspondent nodes (CN) to filter IP communications through firewalls (TW) in scenarios where dynamic pinholes are created to ensure an appropriate level of security is disclosed. The invention is based on creating a secure and authorized anchor (TrGW) for communications where all the communications are routed through before a firewall (TW) performs the packet filtering. A Translator Gateway (TrGW) switches addresses in the header according to a stored Mapping Table and an interface between a CPS (or a SIP proxy) and the TrGW. This interface allows the CPS to request the TrGW to provide bindings data between IP addresses upon session initiation, the TrGW to provide the bindings data to the CPS and the CPS to release the bindings at session release. The firewall (TW) accepts incoming packets whose IP address belongs to the pool of addresses of the TrGW. Thus any incoming packet that does not correspond to an existing call will be dropped at the TrGW, and a valid packet will go through the firewall which will verify that the packet is not a malformed message or other attack.
    • 在创建动态针孔以确保适当的安全级别的情况下,通过防火墙(TW)过滤IP通信的方法和通信节点(CN)。 本发明基于为通信创建安全和授权的锚(TrGW),其中所有通信在防火墙(TW)执行分组过滤之前被路由通过。 转换器网关(TrGW)根据存储的映射表和CPS(或SIP代理)与TrGW之间的接口切换报头中的地址。 该接口允许CPS请求TrGW在会话发起时在IP地址之间提供绑定数据,TrGW向CPS提供绑定数据,CPS将会话释放时释放绑定。 防火墙(TW)接受IP地址属于TrGW地址池的传入数据包。 因此,任何不对应于现有呼叫的传入分组将在TrGW处丢弃,并且有效的分组将通过防火墙,这将验证分组不是格式错误的消息或其他攻击。