18 results about "Protocol Identifier" patented technology

The invention belongs to the technical field of network security, and particularly relates to a network anomaly monitoring method and device based on flow fingerprint learning and a program product, and the method comprises the steps: extracting encryption-independent metadata of a target network; the metadata comprises a quintuple of a data packet, a timestamp, a length and protocol mark information; aggregating the metadata by taking a source IP address as a main key, and defining a network entity; performing session feature extraction on sessions between the target network entity and other network entities, the extracted session features including a time sequence feature, an operation sequence feature and a scale distribution feature; wherein the operation sequence feature comprises the Shannon entropy of a continuous request and response type pair; constructing a behavior fingerprint of the target network entity according to the session feature; and judging whether the target network and the target network entity are abnormal or not according to the deviation degree of the current behavior fingerprint of the target network entity and the fingerprint baseline. According to the invention, accurate identification of network anomalies can be realized.

The application provides an application software awakening method and device, a storage medium and an electronic device. The method comprises the following steps: an APP obtains a first page jump protocol from a jump instruction, and obtains a target protocol identifier and target protocol information by analyzing the first page jump protocol; if a preset protocol identifier matched with the target protocol identifier exists in a local protocol information library, the preset protocol identifier is taken as a jump protocol identifier; if the target protocol information does not match target protocol configuration information corresponding to the jump protocol identifier, the target protocol information is modified to obtain jump protocol information; and a second page jump protocol is generated according to the jump protocol information and a native page identifier corresponding to the jump protocol identifier, and page jump is performed based on the second page jump protocol. According to the method, the APP can dynamically recombine the page jump protocol based on the local protocol information library, and page jump is realized. The protocol data can be changed by updating the local protocol information library, and the APP does not need to be developed and put online again.

The invention belongs to the technical field of network communication, provides a hop count triggering-based CSIG telemetering method, network forwarding equipment and a network forwarding system, and aims to solve the technical defects of message expansion and overhigh overhead of an existing IFA in-band measurement scheme and incapability of realizing full-path panoramic acquisition of a native CSIG aggregation scheme. According to the method, specific processing logic is deployed in network forwarding equipment, a CSIG label telemetering message carrying a novel protocol identifier NEW TPID is identified, decreasing operation is carried out on a collection trigger counter TTC, and nodes are triggered according to the TTC value to collect telemetering data and write the telemetering data into a label. The method can be applied to path node state collection and congestion monitoring of a data center network and a park network, and the lightweight characteristic and the refined operation and maintenance requirement are both considered.

The invention relates to the technical field of passive optical network (PON), is applied to fiber to room (FTTR), enterprise-level fiber to room-Bus (FTTR-B) and broadband fusion terminal products, and particularly relates to a Mesh networking method, device and equipment based on PON and a medium, topology multicast messages are periodically sent by receiving target network equipment, and the topology multicast messages are transmitted by receiving the target network equipment. Determining host address information in the Mesh network according to a private mesh network protocol identifier in the topology multicast message, generating and sending an M1-stage message for the access point to request wireless configuration to the host according to the host address information in the Mesh network, receiving an M2-stage message replied by the host for the M1-stage message and used for the access point to request wireless configuration, and sending the M2-stage message to the host according to the M1-stage message. And the Mesh networking parameter synchronization is completed according to the AP wireless configuration parameter in the M2-stage message, so that the compatibility problem in the networking process of different Mesh protocols is avoided, the success rate of Mesh networking is effectively improved, and the user experience is improved.

The invention relates to the technical field of 5G protocol conversion, and discloses a 5G protocol efficient conversion method and system for a heterogeneous terminal of a power distribution network, and the method comprises the steps: constructing a communication protocol mapping library which stores analysis rules and field mapping relationships between various source protocols and target standard protocols; receiving an original data message of the heterogeneous terminal, matching a corresponding analysis rule according to a protocol identifier, and extracting a data field and a service instruction type; identifying a high-real-time instruction and correspondingly transferring the high-real-time instruction into a high-priority queue; calling a pre-compiled protocol conversion script, and directly converting the pre-compiled protocol conversion script into a data frame in a standard protocol format according to a field mapping relation; data frames are distributed through a distributed communication channel, and a channel allocation strategy is dynamically adjusted according to load pressure to optimize a transmission path. According to the method, millisecond-level key instruction conversion is realized through the pre-compilation script and the priority queue, and the adaptability of the system to heterogeneous protocols and the overall communication reliability are improved by utilizing structured protocol mapping and dynamic transmission optimization.

The invention relates to the technical field of network security protection, and discloses a network switch hardware security protection system based on dynamic encryption. The system comprises dynamic encryption key generation, encryption difference analysis, security threat positioning and an adaptive encryption strategy. The dynamic encryption key generation component combines a switch historical flow mode and real-time data packet feature modeling, captures a transmission time interval, a load capacity and a protocol identifier, and outputs a temporary key; the encryption difference analysis component performs three-dimensional evaluation on the temporary key and the reference key to generate a key-level difference index; the security threat positioning component inputs the indexes into a network topology mapping system, and generates a threat probability density map and positions abnormity in combination with port configuration and segment identification; the self-adaptive encryption strategy component configures parameters in sequence, starts multi-layer encryption in a high-threat area, refreshes a key by an adjacent node, and adapts to a complex network environment.

This invention provides a protocol serialization update method, electronic device, and storage medium. The method includes: generating an index field corresponding to the protocol file to be updated based on the protocol identifier, the server identifier of the server corresponding to the protocol, and the update time of the protocol; and storing the index field, the data structure, and the deserialization strategy of the protocol file to be updated into the memory of the protocol update system. The target protocol for a given service can be determined from several protocols using the index field. Then, the update time in the index field is used to find the protocol file corresponding to the update time from several protocol files of the target protocol. The deserialization strategy of this protocol file is then used to deserialize the data stored at the corresponding time, reducing human intervention and achieving automated protocol updates.

A first network device of a first data center may encode a source tenant system interface (TSI) group identifier into a tag protocol identifier and a group-based policy identifier, and may encode the tag protocol identifier and the group-based policy identifier into a virtual extensible local area network (VXLAN) packet with the source TSI group identifier, where the source TSI group identifier is not included in a header of the VXLAN packet. The first network device may provide the VXLAN packet, with the source TSI group identifier, to a second network device of a second data center, via an Ethernet virtual private network (EVPN) multiprotocol label switching (MPLS) network.

The application relates to the technical field of industrial Ethernet communication, and discloses a safe communication method between programmable logic controllers, a computing device and a storage medium, wherein the method inserts a safe extension header of a fixed protocol identifier after an RTC header of a standard PROFINET data frame, realizes the transparent transmission of a safe field without destroying an original frame format and without modifying old equipment. A session key between devices is dynamically derived from a master key, a clock value synchronized based on a built-in precise clock transmission protocol of the PROFINET and a device hardware ID, double verification is conducted in combination with an encrypted time stamp and a rolling serial number, a replay attack is effectively resisted, and a misjudgment rate caused by network delay is significantly reduced. The scheme realizes seamless compatibility with an existing PROFINET network, dynamically resists a replay attack and a captured replay attack, and provides a solution with high availability and high security for an industrial real-time network.

An example method comprises, receiving resource availability values from the plurality of Network Interface Cards (NICs); determining a data path for data packets of a flow transported using a protocol from a source NIC to a destination NIC via a NIC set that comprises at least one NIC, wherein: the plurality of NICs comprises the source NIC, the destination NIC, and the NIC set, and determining the data path comprises selecting the NIC set based on the resource availability values; and transmitting, to the source NIC and to each NIC in the NIC set, data path data to cause the source NIC and each NIC in the NIC set to identify the data packets of the flow using an identifier of the protocol and to transmit the data packets of the flow from the source NIC to the destination NIC via the data path.

A transmitting communication device is provided, and includes a processor and a memory. The memory has computer-executable instructions stored therein, which, when executed by the processor, cause the transmitting communication device to generate at least one layer 2 message frame for delivery to a remote receiving device over an electronic communication network. The generated at least one layer 2 message frame includes a cross protocol payload (XPP). The XPP includes a first protocol identifier identifying a first communication protocol, a first protocol package containing first data content according to the first communication protocol, a second protocol identifier identifying a second communication protocol different from the first communication protocol, and a second protocol package containing second data content according to the second communication protocol.

The invention provides a communication method and device, equipment, a medium and a program product, relates to the technical field of communication, and is used for improving the efficiency of accessing cloud equipment by equipment with a specific technical scheme that the method comprises the following steps: receiving a communication request sent by the equipment with the specific technical scheme; based on the equipment type identifier and the communication protocol identifier, acquiring a communication protocol plug-in matched with the equipment with the body; and based on the analyzed first communication protocol and the first secret key, communicating with the equipment with the body. The method is applied to the scene that the equipment with the body accesses the cloud equipment.

The application provides a virtualized log vulnerability repair method and device, and relates to the technical field of computer security. The method comprises the following steps: in response to detecting that a target process uses a Log4j2 framework, obtaining a process identifier; based on the process identifier, creating an independently running virtual process in user memory through an eBPF module of a kernel, and starting a Java virtual machine and an associated network service in the virtual process; constructing a string containing a JNDI protocol identifier as an attack payload in the target process, which is used to simulate Log4j2 remote vulnerability exploitation behavior; sending the attack payload from the target process to the virtual process, and judging whether the Log4j2 remote vulnerability exists according to the response of the virtual process to the attack payload; if the Log4j2 remote vulnerability exists, mounting the eBPF module to the kernel network driver layer to intercept related network traffic. The application combines memory virtualization with kernel layer traffic interception, and realizes accurate detection and effective repair of the Log4j2 remote vulnerability.

The invention belongs to the technical field of cloud computing storage, and particularly relates to a cloud storage resource unified access and management method combining an intelligent gateway and protocol conversion. The method comprises the following steps: firstly, collecting real-time characteristic parameters such as instantaneous available bandwidth and read-write concurrency of cloud storage resources, binding the real-time characteristic parameters with a native protocol identifier, and establishing a two-dimensional index characteristic protocol association library containing an updating mechanism; secondly, the intelligent gateway analyzes the service request, screens target resources through a three-dimensional matching model, and generates a customized conversion rule containing four core modules; and finally, loading the rule to complete protocol conversion, dynamically adjusting transmission parameters, monitoring protocol change in a dual-mode manner and updating the rule, and triggering rollback and alarm if verification fails. According to the method, unified access and dynamic adaptation of multi-protocol cloud storage can be realized, the request and resource adaptation accuracy and transmission stability are improved, the service continuity is guaranteed, and the management efficiency and reliability are optimized.

The invention provides a Bluetooth connection method and device, equipment and a storage medium, and is applied to the technical field of Bluetooth, and the Bluetooth connection method comprises the following steps: responding to a Bluetooth connection request, and displaying a Bluetooth equipment identifier of candidate Bluetooth equipment on a connection display interface; determining a target connection interface according to the Bluetooth connection request and a Bluetooth protocol identifier in the Bluetooth device identifier; and performing connection according to the target connection interface and a target Bluetooth protocol in the candidate Bluetooth equipment to obtain a Bluetooth connection result. According to the technical scheme provided by the invention, the connection can be independently established based on the connection selection instruction of the interaction object and the specified Bluetooth connection protocol, so that the Bluetooth bandwidth consumption is reduced, and the connection speed and the connection stability of the specified Bluetooth protocol are improved.

A freight rate determination method and a related apparatus. The method may include: constructing at least one freight rate calculation group based on the freight rate query request; obtaining freight rate data corresponding to each of the at least one freight rate calculation group by querying from a database; filtering each piece of the freight rate data based on limit information and agent information in the freight rate query request, as well as a rule identifier and a freight rate protocol identifier of each piece of the freight rate data in the freight rate calculation group, to obtain at least one piece of target freight rate data corresponding to the freight rate calculation group; and obtaining at least one freight rate combination by combining each piece of the target freight rate data corresponding to each freight rate calculation group based on a Column algorithm.

The invention belongs to the technical field of message data processing, and particularly relates to a method and a system for analyzing and verifying protocol function messages of monitoring equipment. The method comprises the following steps: acquiring a message which carries a protocol identifier and a function identifier, and querying a message structure according to a protocol; reading an initialization method name of the message structure, and calling a corresponding initialization method from an initialization method cluster to initialize the message structure; performing data translation of the message structure; if the translation method is not in the translation method cluster, translating the content of the message, namely initializing, translating and checking the metadata of the message; and finally, carrying out data verification on the message structure, and obtaining an analyzed message after verification is completed. According to the method and the device, the problems that protocol messages need to be analyzed aiming at different protocols and different functions and the correctness needs to be ensured due to multiple protocol types and a large number of functions are solved.

The application discloses a communication method and device based on a B-C mixed software integration framework, the method comprising the following steps: a receiving end device sends a connection request containing a preset communication protocol identifier to a sending end device; when the sending end device detects a first port corresponding to the preset communication protocol identifier, the sending end device sends a connection success signal to the receiving end device; the sending end device converts and processes a user input instruction based on a first sending function in a preset dynamic library, and sends the converted data to the receiving end device; and the receiving end device analyzes the converted data based on a first receiving function in the preset dynamic library. The application establishes a connection through a preset communication protocol, and utilizes functions in a preset dynamic library, thereby realizing direct communication between the receiving end device and the sending end device, fixing the number of interfaces, and guaranteeing reduction of communication delay, improvement of interactive efficiency, and reduction of maintenance cost.