Method and apparatus for preventing aggression in packet communication system
A technology of packet communication and feature information, which is applied in the field of network communication, can solve problems such as preventing attacks in the packet communication system well, and achieve the effects of avoiding payment, reducing security risks, and saving network resources
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Embodiment 1
[0041] In this embodiment, the data gateway detects the TCP / IP error message sent by the terminal, determines that the external data stream currently received by the terminal is malicious attack data, and blocks it.
[0042] Since the function of blocking malicious attack messages in the embodiment of the present invention can be implemented on the data gateway, it can also be implemented on the firewall between the data gateway and the external service network, and even the data gateway can be integrated with the firewall. Therefore, for ease of description , The following description does not limit specific physical entities.
[0043] Reference figure 1 The steps of the method for preventing attacks in the packet communication system provided by the embodiment of the present invention are as follows:
[0044] Step S101, the terminal receives an unexpected data packet from the outside;
[0045]The external attack source sends malicious attack data to the terminal. The attack sou...
Embodiment 2
[0068] In this embodiment, a logical network entity, a security policy management entity, is set in the packet communication system, and when the terminal receives unexpected external data, it sends a message to the security policy management entity to request the shielding of the external data flow.
[0069] Refer to image 3 The steps of the method for preventing attacks in the packet communication system provided in this embodiment are as follows:
[0070] Step S301: The terminal establishes a link to the data gateway, and obtains the report address of the security policy management entity.
[0071] The reporting address of the security policy management entity can be configured in the terminal; or the reporting address of the security policy management entity can be configured on the data gateway, and when the terminal is connected to the network, it interacts with the gateway to obtain the reporting address of the security policy management entity; or in the network Other netw...
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