30 results about "Network Driver Interface Specification" patented technology

The present invention provides a method and computer program product for providing, over a RF link conforming to the Bluetooth specification, a network message protocol which is bus-independent and was originally designed for bus-attached networking devices. One such network message protocol is the NDIS device management protocol. In such a manner, many computer software products designed to operate over a hard-wired (or bus-attached) network can also be used over a Bluetooth wireless network.

The embodiment of the invention provides a virtual private network implementation method and a client device. The virtual private network implementation method provided by the invention comprises the following steps that: a NDIS ((Network Driver Interface Specification) interlayer driver captures a message transmitted to an intranet server by an application program, and according to a process identification PID corresponding to the message, judges whether to allow a process corresponding to the message to use the SSL VPN; if so, the NDIS interlayer driver establishes a new message, sets a destination address of the new message as native address of the client device, sets a destination port number of the new message as a port number for a client to receive the message, modifies a source IP address of the original message to be a virtual IP address, takes the original message as load of the new message, and submits the new message to a NDIS network card driver; and the NDIS network card driver transmits the new message to the client, and the client transmits the new message to the intranet server. The embodiment of the invention realizes a virtual private network based on process control, and starting speed of the client is fast.

The invention discloses a method for judging a process of a TCP / IP packet in a driver layer, which can accurately distinguish the process of a packet in a network driver interface specification (NDIS) filter driver. The technical scheme comprises that the method comprises the following steps of: when a certain program uses a Windows socket interface, loading a layered service provider through a certain process; acquiring an identification number of the process and a source port opened by the process by the layered service provider; judging whether the process is an interested process according to the identification number of the layered service provider; if the process is the interested process, transmitting a user datagram protocol (UDP) notification packet to a specific address and a port; receiving the UDP notification packet, extracting the identification number of the process, a protocol used by the process and the source port opened by the process from the UDP notification packet, saving the identification number of the process, the protocol used by the process and the source port opened by the process as an association table, and discarding the UDP notification packet by using an intermediate layer driver / filter driver normalized by a network driver interface; and when the intermediate layer driver / the filter driver receives another TCP / IP packet transmitted by a local host, judging whether the TCP / IP packet comprises the information consistent with the contents in the association table, and determining the identification number of the process to which the TCP / IP packet belongs according to the judgment.

A network card testing method, used to test if the network card is capable of functioning normally in a computer having Extended Firmware Interface (EFI) system. Wherein, in a protocol assignment table is recorded the connection relations of a network protocol of Extended Firmware Interface, and a driver program corresponding to a network driver interface specification (NDIS) layer. In addition, the driver corresponding to the network card is loaded at the NDIS layer. In implementing the network card test program, though the utilization of an additionally written EFI pseudo program as a medium of transmitting data for the network card testing program, and also though the utilization of an additionally written intermediate filter driver in invoking a driver suitable for the network card, the hardware testing of network card can be realized, thus increasing the category and scope of the network card testing supported by an EFI system.

Methods, software, and apparatus for implementing live migration of virtual machines hosted by a Linux operating system (OS) and running a Microsoft Windows OS. Communication between the VM and a network device is implementing using a virtual function (VF) datapath coupled to a Single-root input / output virtualization (SR-IOV) VF on the network device and an emulated interface coupled to a physical function on the network device, wherein the emulated interface employs software components in a Hypervisor, and the VF datapath bypasses the Hypervisor. In one aspect, the VF datapath is active when the SR-IOV VF is available, and the datapath fails over to the emulated data path when the SR-IOV VF is not available. Disclosed live migration solutions employ Windows NDIS (Network Driver Interface Specification) components including NDIS Miniport interfaces and MUX IM drivers, enabling live migration to be transparent to the Windows OS. NetKVM drivers are also used for Linux Hypervisors including KVM.

An automatic Internet access method using a digital subscriber line includes: upon receiving an automatic Internet access program install request from a user, installing a PPPoE device driver including a PPPoE adapter and an NDISWAN (Network Driver Interface Specification Wide Area Network) miniport driver, and an ADSL monitoring tool which is an application program for informing the user whether ADSL (Asynchronous Digital Subscriber Line) is connected, in a user PC; upon power on of the user PC, attempting automatic Internet access by the PPPoE device driver on WINDOWS(TM) over a device driver, and interposing between TCP / IP and the PPPoE device driver a PPP / PPPoE module for informing the user of a current connection state through the ADSL monitoring tool under the control of the device driver; receiving a user ID and a password input by the user through a user interface while installing the PPPoE device driver in the user PC, and storing the received user ID and password in a registry; and upon power on of the user PC, attaining by the device driver user authentication from a NAS server on the Internet using the user ID and the password stored in the registry, and performing Internet access.

A network card testing method, used to test if the network card is capable of functioning normally in a computer having Extended Firmware Interface (EFI) system. Wherein, in a protocol assignment table is recorded the connection relations of a network protocol of Extended Firmware Interface, and a driver program corresponding to a network driver interface specification (NDIS) layer. In addition, the driver corresponding to the network card is loaded at the NDIS layer. In implementing the network card test program, though the utilization of an additionally written EFI pseudo program as a medium of transmitting data for the network card testing program, and also though the utilization of an additionally written intermediate filter driver in invoking a driver suitable for the network card, the hardware testing of network card can be realized, thus increasing the category and scope of the network card testing supported by an EFI system.

The invention provides a method for processing an AT command through a network driver interface specification (NDIS), which comprises the following steps: loading the AT command in an NDIS command package by a computer; sending the NDIS command package to a communication terminal; receiving and analyzing an NDIS command return package of the NDIS command by the communication terminal; and extracting a processing result of the AT command from the return package. The method ensures that a developer can still easily and quickly develop a product based on a stable and mature AT command interaction by utilizing a current AT scheme under the condition that the AT command cannot be directly transmitted, thereby reducing the cost of upgrading. The invention also provides the computer, the communication and a system.

The invention relates to a method for realizing general setting of wireless network interface card, based on the 802.11 standard, wherein said invention can easily set wireless network interface card on manager on the windows operation system, with high efficiency and simple operation; said method uses the character that most 802.11 wireless network interface cards follow the NDIS (network driver interface specification), uses NDIS small driving port to complete the read and set on the parameter of 802.11 wireless network interface card.

The embodiment of the present invention provides a method and system for a user to access the network under web authentication. Based on the network driver interface specification NDIS, the driver is written, and the driver is used to: capture the network data packet that the user requests for web authentication; analyze The network data packet obtains the source IP address of the user; judges whether the source IP address of the user is in the white list of release; if so, still releases the user access after the valid time of web authentication expires, If not, deny the user access after the valid time of the web authentication expires. It can intercept relatively low-level data packets, the interception rate of data packets is relatively high, and it can intercept almost all data packets, so it has a high safety factor.

The invention belongs to the technical field of communication, and particularly relates to an information security server host protection method, which comprises the following steps of: manufacturing a network filter driver based on a network driver interface specification, including network card receiving filtering and sending filtering to a network card. The network card receiving and filtering comprises the following steps: step 1, judging whether the format of a data packet is a set format or not, and directly discarding a packet in a non-set format; and 2, re-judging the data packet with the set format in the step 1, judging whether a receiving port is a set port or not, and if the set port passes normally, directly discarding a non-set port. According to the method, the server can be prevented from actively establishing the network connection outwards by installing the port filter driver on the network server, the network connection sent to the Trojan from the outside can also be prevented, even if a Trojan program runs in the server, the server cannot be remotely controlled, and then the server can be protected.

The invention discloses a method for judging a process of a TCP / IP packet in a driver layer, which can accurately distinguish the process of a packet in a network driver interface specification (NDIS) filter driver. The technical scheme comprises that the method comprises the following steps of: when a certain program uses a Windows socket interface, loading a layered service provider through a certain process; acquiring an identification number of the process and a source port opened by the process by the layered service provider; judging whether the process is an interested process according to the identification number of the layered service provider; if the process is the interested process, transmitting a user datagram protocol (UDP) notification packet to a specific address and a port; receiving the UDP notification packet, extracting the identification number of the process, a protocol used by the process and the source port opened by the process from the UDP notification packet, saving the identification number of the process, the protocol used by the process and the source port opened by the process as an association table, and discarding the UDP notification packet by using an intermediate layer driver / filter driver normalized by a network driver interface; and when the intermediate layer driver / the filter driver receives another TCP / IP packet transmitted by a local host, judging whether the TCP / IP packet comprises the information consistent with the contents in the association table, and determining the identification number of the process to which the TCP / IP packet belongs according to the judgment.

The invention discloses a connection switching method, a system and a mobile terminal. The method comprises: detecting whether a host loads a remote network driver, if not, switching a connection mode to a U-disk connection; if true, detecting whether the remote network driver stars, if true, switching the connection mode to a remote network driver interface specification connection. The example of the invention can implement the automatic switching of the connection mode between the mobile terminal and the host, simply the operation and further improve the switching efficiency.

Disclosed are a data processing method and drive apparatus for a mobile broadband device. The method includes the steps of: receiving a function call request from an Android system at a radio interface layer (RIL) (S202a); and in the situation where the function call request is a data service and configuration service, using a QMI daemon to encapsulate the function call request as a corresponding QMI instruction via a Qualcomm MSM Interface (QMI) protocol interface registered in the RIL library, and sending the encapsulated QMI instruction data to a network driver interface specification (NDIS) device (S204a). The present solution extends the application scope of the Android system and improves the system performance.

The invention discloses a control method, a control device and a control system. The control method comprises the steps that a control command is packaged in a network database sent to RNDIS (Remote Network Driver Interface Specification) equipment, and then the packaged network database is sent to the RNDIS equipment, so as to control the RNDIS equipment. A CPE (Customer Premises Equipment) can directly send the database to the RNDIS equipment in an existing network frame, therefore, the control command can be transmitted to the RNDIS equipment by adopting the scheme even if a new control interface is not additionally formed; furthermore, compared with a scheme of additionally forming a new control interface and installing a driver in the prior art, the using complexity can be reduced, and special requirements cannot be needed on the RNDIS equipment, therefore, the control method with universal applicability can be simpler realized.

The invention relates to a network admission system based on an NDIS (Network Driver Interface Specification) filter driver. The network admission system comprises an enterprise internal system, a client, NDIS admission equipment and an authentication server, wherein the NDIS admission equipment comprises an application layer program module and an NDIS filter driver module; and the authentication server is used for providing a Web authentication page. The method comprises the following steps: connecting a computer to the NDIS admission equipment through switch equipment, and connecting the NDIS admission equipment, the authentication server and the enterprise internal system to the Ethernet through a three-layer switch respectively; and releasing, discarding or redirecting past data packets by the NDIS admission equipment according to a computer not passing identity authentication and a computer passing the identity authentication. Through adoption of the network admission system, a network admission function is realized through the NDIS filter drive module based on the NDIS admission equipment. The network admission system is high in universality, low in cost, and convenient for installation and maintenance. Moreover, a redirected data packet is directly constructed on a driving layer, so that the working efficiency is increased effectively.

The present invention discloses a control method, an apparatus, and a system. In the embodiments of the present invention, a control command is encapsulated into a network data packet to be sent to a remote network driver interface specification (RNDIS) device, and the encapsulated network data packet is sent to the RNDIS device to control the RNDIS device. In the conventional network architecture, a user device can directly send a network data packet to an RNDIS device. Therefore, with this solution, a control command can be transmitted to the RNDIS device without adding a new control interface. Compared with the solution that requires adding a new interface and installing an additional driver program in the prior art, this solution reduces application complexity and has no special requirement for the RNDIS device, which is commonly applicable and easy to implement.

The embodiment of the present invention discloses a voice data transmission method, device, and storage medium, wherein the method includes: establishing a connection between a virtual driver in a host device and a data card device at a preset port; wherein the data card The device can listen to the virtual driver through the remote network driver interface specification or wireless network; receive the pulse code modulated voice data packet sent by the data card device; and output the audio information corresponding to the voice data packet.

The invention provides a safe auditing system based on the filter driver. The safe auditing system comprises a system filter driver module, a client acquisition module, a client processing module and a client sending module, wherein the system filter driver module comprises a middle layer filter driver module of an NDIS (Network Driver Interface Specification) driver module and a USB equipment filter driver module of a PNP (Plug-and-Play) driver module. According to the invention, the safety of the safe auditing system is improved.

The invention provides a method for processing an AT command through a network driver interface specification (NDIS), which comprises the following steps: loading the AT command in an NDIS command package by a computer; sending the NDIS command package to a communication terminal; receiving and analyzing an NDIS command return package of the NDIS command by the communication terminal; and extracting a processing result of the AT command from the return package. The method ensures that a developer can still easily and quickly develop a product based on a stable and mature AT command interaction by utilizing a current AT scheme under the condition that the AT command cannot be directly transmitted, thereby reducing the cost of upgrading. The invention also provides the computer, the communication and a system.