CN110730249B - Web service safety access system and method based on one-way transmission protocol - Google Patents
Web service safety access system and method based on one-way transmission protocol Download PDFInfo
- Publication number
- CN110730249B CN110730249B CN201911044760.1A CN201911044760A CN110730249B CN 110730249 B CN110730249 B CN 110730249B CN 201911044760 A CN201911044760 A CN 201911044760A CN 110730249 B CN110730249 B CN 110730249B
- Authority
- CN
- China
- Prior art keywords
- node
- text file
- format
- proxy node
- proxy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The application discloses a Web service safety access system and a method based on a one-way transmission protocol, wherein the system comprises a client, a first proxy node, a second proxy node, a first node, a second node and a WebService server; the client is coupled with the first proxy node, the first proxy node is coupled with the client, the second proxy node and the second node respectively, the second proxy node is coupled with the first proxy node, the first node and the WebService server respectively, the first node is coupled with the second proxy node and the second node respectively, the second node is coupled with the first node and the first proxy node respectively, and the WebService server is coupled with the second proxy node. The Web service safety access system based on the one-way transmission protocol can realize that the client accesses the WebService server through the one-way link to provide the WebService service function.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a unidirectional transmission protocol-based Web service secure access system and a unidirectional transmission protocol-based Web service secure access method.
Background
Under the condition that the client is connected with the WebService server through a TCP/IP protocol network, the client can access the WebService service provided by the WebService server in a direct connection mode or an HTTP proxy mode. The client based on the one-way transmission protocol is impossible to access the WebService service provided by the WebService server through a direct connection or an HTTP proxy. The products need to be deployed at two ends of a one-way optical gate product and are connected with the one-way optical gate through the safety request access service systems at the two ends, but if the access and the access of a WebService request are to be supported, a client and a WebService server are required to be customized and developed according to a secondary development interface standard of the safety request access service system, and a WebService request format needs to be formatted and customized according to an interface requirement, so that the WebService safety request access service based on the one-way transmission protocol can be realized. The client, the node and the WebService server are connected by adopting a one-way transmission network, and the client can access the WebService service provided by the WebService server without customized development, so that a one-way transmission protocol-based Web service secure access system and method need to be designed, and seamless access of the WebService request service based on the one-way transmission network can be supported.
Disclosure of Invention
In view of the above, the present invention discloses a Web service security access system based on a unidirectional transport protocol, which includes a client, a first proxy node, a second proxy node, a first node, a second node, and a WebService server;
the client is coupled with the first proxy node and used for sending a first request signal to the first proxy node and receiving a second reply signal sent by the first proxy node;
the first proxy node is respectively coupled with the client, the second proxy node and the second node, and is configured to receive the first request signal sent by the client, convert the first request signal into a first text file, store the first text file in a local disk, and send the first text file to the second proxy node; the second node is used for receiving a second text file sent by the second node, converting the second text file into a second reply signal and sending the second reply signal to the client;
the second proxy node is respectively coupled with the first proxy node, the first node and the WebService server, and is used for receiving a first text file sent by the first proxy node, converting the first text file into a second request signal and sending the second request signal to the WebService server; the first reply signal is used for receiving the first reply signal sent by the WebService server, converting the first reply signal into the second text file, storing the second text file in a local disk, and sending the second text file to the first node;
the first node is respectively coupled with the second agent node and the second node, and is used for receiving the second text file sent by the second agent node and sending the second text file to the second node;
the second node is respectively coupled with the first node and the first proxy node, and is used for receiving the second text file sent by the first node and sending the second text file to the first proxy node;
the WebService server is coupled to the second proxy node, and is configured to receive a second request signal sent by the second proxy node, process the second request signal to obtain the first reply signal, and send the first reply signal to the second proxy node.
Preferably, a first format of the first text file and a second format of the second text file are preset;
automatically converting the first request signal received by the first proxy node into a first text file according to the first format;
and automatically converting the first reply signal received by the second agent node into a second text file according to the second format.
Preferably, the first format and the second format include: XML format, jason format, or custom format.
Preferably, the first format of the first file and the second format of the second file are the same.
The invention also discloses a Web service safe access method based on the unidirectional transmission protocol, which comprises the following steps:
the client sends the first request signal to the first proxy node;
the first proxy node receives the first request signal, converts the first request signal into the first text file, stores the first text file in a local disk, and simultaneously sends the first text file to the second proxy node;
the second proxy node receives the first text file, converts the first text file into the second request signal, and sends the second request signal to the WebService server;
the WebService server receives the second request signal, processes the second request signal to obtain the first return signal, and sends the first return signal to the second proxy node;
the second agent node receives the first reply signal, converts the first reply signal into the second text file, stores the second text file in a local disk, and simultaneously sends the second text file to the first node;
the first node receives the second text file and sends the second text file to the second node;
the second node receives the second text file and sends the second text file to the first proxy node;
the first proxy node receives the second text file, converts the second text file into the second reply signal and sends the second reply signal to the client;
and the client receives the second reply signal and completes the seamless access of the client to the WebService server through the single link.
Preferably, a first format of the first text file and a second format of the second text file are preset;
automatically converting the first request signal received by the first proxy node into a first text file according to the first format;
and automatically converting the first reply signal received by the second agent node into a second text file according to the second format.
Preferably, the first format and the second format include: XML format, jason format, or custom format.
Preferably, the first format of the first file and the second format of the second file are the same.
Compared with the prior art, the unidirectional transmission protocol-based Web service secure access system and method provided by the invention have the following beneficial effects that:
1. the client can access the WebService service function provided by the WebService server through the unidirectional link (double-singleton link), and the WebService service access based on the unidirectional link is realized.
2. Seamless access can be realized for the WebService service provided by the client for accessing the WebService server, namely, the program of the client for accessing the WebService server does not need to be customized or secondarily developed.
3. The method can realize that the client accesses the WebService provided by the WebService server to carry out strict management and control, and strictly controls the interface service of the WebService which can be accessed by the client in a registration mode so as to achieve the application access control of the WebService server.
4. The double-agent node design can ensure higher security of data transmission by carrying out format check at two ends of the first agent node and the second agent node.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a Web service secure access system based on a unidirectional transport protocol according to the present invention;
fig. 2 is a flowchart of a method for Web service secure access based on a unidirectional transport protocol according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that the described embodiments are merely some embodiments, rather than all embodiments, of the invention and are merely illustrative in nature and in no way intended to limit the invention, its application, or uses. The protection scope of the present application shall be subject to the definitions of the appended claims.
Example 1: referring to fig. 1, fig. 1 is a block diagram of a Web service secure access system based on a unidirectional transport protocol according to the present invention; the invention provides a Web service security access system 100 based on a one-way transmission protocol, which comprises a client 1, a first proxy node 2, a second proxy node 3, a first node 4, a second node 5 and a WebService server 6, wherein the client is connected with the first proxy node 2 through the WebService server 6;
the client 1 is coupled to the first proxy node 2, and configured to send a first request signal to the first proxy node 2 and receive a second reply signal sent by the first proxy node 2;
the first proxy node 2 is respectively coupled with the client 1, the second proxy node 3 and the second node 5, and is used for receiving a first request signal sent by the client 1, converting the first request signal into a first text file, storing the first text file in a local disk of the first proxy node 2, and sending the first text file to the second proxy node 3; the second node is used for receiving a second text file sent by the second node 5, converting the second text file into a second reply signal and sending the second reply signal to the client 1; the first proxy node 2 presets a first format of the first text file, and automatically converts the first request signal received by the first proxy node 2 into the first text file according to the first format, where the first format includes: XML format, jason format, or custom format.
The second proxy node 3 is respectively coupled with the first proxy node 2, the first node 4 and the WebService server 6, and is used for receiving the first text file sent by the first proxy node 2, converting the first text file into a second request signal and sending the second request signal to the WebService server 6; the system is used for receiving a first reply signal sent by the WebService server 6, converting the first reply signal into a second text file, storing the second text file in a local disk of the second proxy node 3, and sending the second text file to the first node 4; the second agent node 3 presets a second format of the second text file, and automatically converts the first reply signal received by the second agent node 3 into the second text file according to the second format, wherein the second format includes: XML format, jason format, or custom format.
It can be further understood that the function of the first proxy node 2 and the second proxy node 3 is to convert the received signal into an XML file, a jar file, or a custom text file, where the text file is used to identify a request, the text file is automatically generated according to a defined format after the first proxy node 2 and the second proxy node 3 receive information, the information exists in the form of TCP/IP data packets and is directly processed in a memory, and the landing is to convert the information into a file and store the file in a local disk. After the file falls to the text file, format check and content check can be carried out on the file content so as to ensure that the type, size and content of data in the transmission process are controlled necessarily. The first node and the second node only play a role of a reverse unidirectional link, are used for transmitting text files or files with a custom format, do not convert signals into text files or convert the text files into signals, and have no landing effect, namely, when a TCP/IP network accesses a WebService service, requests exist in the form of TCP/IP data packets and are directly processed in a memory, and the landing is to convert signals into files and store the files in a local disk.
Meanwhile, the first format and the second format can be set to be the same, and the first text file and the second text file are not different in nature but are different in content. The request signal and the recovery signal are identified differently for determining whether the transmitted signal or the returned signal is received. Each text file has a description of parameters and data segments, and the text file content can be checked by defining an XSD file, such as a numeric or alphabetical component of which the identification number field must be 18. The text files of different information can be checked for format by defining an XSD file to ensure compliance of the data.
The first node 4 is respectively coupled with the second proxy node 3 and the second node 5, and is used for receiving the second text file sent by the second proxy node 3 and sending the second text file to the second node 5;
the second node 5 is respectively coupled with the first node 4 and the first proxy node 2, and is used for receiving the second text file sent by the first node 4 and sending the second text file to the first proxy node 2;
the WebService server 6 is coupled to the second proxy node 3, and configured to receive the second request signal sent by the second proxy node 3, process the second request signal to obtain a first reply signal, and send the first reply signal to the second proxy node 3.
It can be understood that, in this embodiment, the first proxy node sends the text file to the second proxy node through the forward unidirectional link, and the first node sends the text file to the second node through the reverse unidirectional link, that is, the client and the WebService server do not need to modify and customize any program source code, and the client can access the WebService service function provided by the WebService server through the unidirectional link (dual-single link); meanwhile, in the embodiment, the interface service of the WebService that can be accessed by the client can be strictly controlled through the registration mode, which is mainly to register the registered request service interface address and interface name at the proxy node, and by controlling the interface address and interface name, the unregistered interface address and interface name cannot be converted into a text file (XML or custom format file), so that the interface service of the WebService that can be accessed by the client can be strictly controlled through the registration mode, and the data transmission security can be improved.
Example 2:
referring to fig. 2, fig. 2 is a flowchart of a Web service secure access method based on a unidirectional transport protocol according to the present invention; the method for Web service secure access based on the unidirectional transport protocol provided by the embodiment comprises the following steps:
step 201, a client sends a first request signal to a first proxy node;
step 202, the first proxy node receives the first request signal, converts the first request signal into a first text file, stores the first text file in a local disk, and simultaneously sends the first text file to the second proxy node;
in step 202, a first format of a first text file is preset, and a first request signal received by a first proxy node is automatically converted into the first text file according to the first format; wherein the first format comprises: XML format, jason format, or custom format.
Step 203, the second proxy node receives the first text file, converts the first text file into a second request signal, and sends the second request signal to the WebService server;
step 204, the WebService server receives the second request signal, processes the second request signal to obtain a first return signal, and sends the first return signal to the second proxy node;
step 205, the second proxy node receives the first reply signal, converts the first reply signal into a second text file, stores the second text file in the local disk, and sends the second text file to the first node;
in step 205, a second format of the second text file is preset, and the first reply signal received by the second proxy node is automatically converted into the second text file according to the second format; wherein the second format comprises: an XML format, a jason format, or a custom format, and the first format and the second format may be set to be the same.
In step 202 and step 205, there will be a description of parameters and data segments for each text file, and the text file content can be checked by defining an XSD file format, such as a numeric or alphabetical composition for which the identification number field must be 18. The text files of different information can be checked for format by defining an XSD file to ensure compliance of the data.
Step 206, the first node receives the second text file and sends the second text file to the second node;
step 207, the second node receives the second text file and sends the second text file to the first proxy node;
step 208, the first proxy node receives the second text file, converts the second text file into a second reply signal, and sends the second reply signal to the client;
and step 209, the client receives the second reply signal, and the client seamlessly accesses the WebService server through the single link.
In this embodiment, the first proxy node sends the text file to the second proxy node through the forward unidirectional link, and the first node sends the text file to the second node through the reverse unidirectional link, that is, the client and the WebService server do not need to modify and customize any program source code, so that the client can access the WebService service function provided by the WebService server through the unidirectional link (dual-single link); meanwhile, in the embodiment, the interface service of the WebService that can be accessed by the client can be strictly controlled through the registration mode, which is mainly to register the registered service request interface address and interface name at the proxy node, and by controlling the interface address and interface name, the unregistered interface address and interface name cannot be converted into a text file (a file such as XML) so as to ensure that the interface service of the WebService that can be accessed by the client can be strictly controlled through the registration mode, and thus, the data transmission security can be improved.
Example 3:
the embodiment is an application embodiment:
a safety isolation scheme for self-service terminal equipment in a service hall comprises a self-service equipment local area network, an independent machine room firewall and a safety isolation device,
step 301, the self-service equipment local area network sends a first request signal to a first proxy node;
step 302, the first proxy node receives the first request signal, converts the first request signal into a first text file, stores the first text file in a local disk, and sends the first text file to the second proxy node;
in step 302, a first format of a first text file is preset, and a first request signal received by a first proxy node is automatically converted into the first text file according to the first format; wherein the first format comprises: XML format, jason format, or custom format.
Step 303, the second proxy node receives the first text file, converts the first text file into a second request signal, and sends the second request signal to the firewall of the independent machine room;
step 304, the firewall of the independent machine room receives the second request signal, processes the second request signal to obtain a first return signal, and sends the first return signal to the second proxy node;
step 305, the second proxy node receives the first reply signal, converts the first reply signal into a second text file, stores the second text file in the local disk, and sends the second text file to the first node;
in step 305, a second format of the second text file is preset, and the first reply signal received by the second proxy node is automatically converted into the second text file according to the second format; wherein the second format comprises: XML format, jason format, or custom format.
In steps 302 and 303, there is a description of parameters and data segments for each text file, and the text file content can be checked by defining an XSD file format, such as a numeric or alphabetical composition that the identification number field must be 18. The text files of different information can be checked for format by defining an XSD file to ensure compliance of the data.
Step 306, the first node receives the second text file and sends the second text file to the second node;
step 307, the second node receives the second text file and sends the second text file to the first proxy node;
step 308, the first proxy node receives the second text file, converts the second text file into a second reply signal, and sends the second reply signal to the self-service equipment local area network;
and 309, the self-service equipment local area network receives the second reply signal, and the self-service equipment local area network seamlessly accesses the firewall of the independent machine room through the single link.
The self-service equipment local area network is accessed into the information network through the one-way isolation equipment (including WebService safety request access service), and the isolation and the safe access of the self-service equipment local area network and the information network are realized. The client and the WebService server do not need to modify and customize and develop any program source code, and the client can access the WebService service function provided by the WebService server through a unidirectional link (a double-single link); compared with the traditional safety request service system products, the products need to be arranged at two ends of a one-way optical gate product and are connected with the one-way optical gate through the safety request service systems at the two ends, but if the access and the access of a WebService request are supported, the client and the WebService server are required to be customized and developed according to the secondary development interface standard of the safety request service system, and the WebService request format is required to be formatted and customized according to the interface requirement, so that the WebService safety request access service based on the one-way transmission protocol can be realized. The embodiment can realize the support of the WebService safety request access service based on the unidirectional transmission protocol without carrying out secondary development on the initiating terminal of the Web request and the WebService server.
According to the embodiments, the application has the following beneficial effects:
1. the client can access the WebService service function provided by the WebService server through the unidirectional link (double-singleton link), and the WebService service access based on the unidirectional link is realized.
2. Seamless access can be realized for the WebService service provided by the client for accessing the WebService server, namely, the program of the client for accessing the WebService server does not need to be customized or secondarily developed.
3. The method can realize that the client accesses the WebService provided by the WebService server to carry out strict management and control, and strictly controls the interface service of the WebService which can be accessed by the client in a registration mode so as to achieve the application access control of the WebService server.
4. The double-agent node design can ensure higher security of data transmission by carrying out format check at two ends of the first agent node and the second agent node.
While the invention has been described in detail and with reference to specific embodiments thereof by way of example, it will be understood by those skilled in the art that the foregoing examples are illustrative only and are not intended to limit the scope of the invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. A Web service security access system based on a one-way transmission protocol is characterized by comprising a client, a first proxy node, a second proxy node, a first node, a second node and a WebService server;
the client is coupled with the first proxy node and used for sending a first request signal to the first proxy node and receiving a second reply signal sent by the first proxy node;
the first proxy node is respectively coupled with the client, the second proxy node and the second node, and is configured to receive the first request signal sent by the client, convert the first request signal into a first text file, store the first text file in a local disk, and send the first text file to the second proxy node; the second node is used for receiving a second text file sent by the second node, converting the second text file into a second reply signal and sending the second reply signal to the client;
the second proxy node is respectively coupled with the first proxy node, the first node and the WebService server, and is used for receiving a first text file sent by the first proxy node, converting the first text file into a second request signal and sending the second request signal to the WebService server; the first reply signal is used for receiving the first reply signal sent by the WebService server, converting the first reply signal into the second text file, storing the second text file in a local disk, and sending the second text file to the first node;
the first node is respectively coupled with the second agent node and the second node, and is used for receiving the second text file sent by the second agent node and sending the second text file to the second node;
the second node is respectively coupled with the first node and the first proxy node, and is used for receiving the second text file sent by the first node and sending the second text file to the first proxy node;
the WebService server is coupled to the second proxy node, and is configured to receive a second request signal sent by the second proxy node, process the second request signal to obtain the first reply signal, and send the first reply signal to the second proxy node;
the first proxy node sends the first text file to the second proxy node through a forward unidirectional link, and the first node sends the second text file to a second node through a reverse unidirectional link;
the first agent node side and the second agent node side register the registered request service interface address and the registered interface name respectively, and the unregistered interface address and the unregistered interface name cannot be converted into text files by controlling the interface address and the interface name.
2. The Web service security access system based on the unidirectional transport protocol as claimed in claim 1, wherein a first format of the first text file and a second format of the second text file are preset;
automatically converting the first request signal received by the first proxy node into a first text file according to the first format;
and automatically converting the first reply signal received by the second agent node into a second text file according to the second format.
3. The unidirectional transport protocol-based Web services secure access system of claim 2, wherein the first format and the second format comprise: XML format, jason format, or custom format.
4. A unidirectional transport protocol based Web services secure access system as claimed in claim 2, characterized in that the first format of the first file and the second format of the second file are the same.
5. A Web service security access method based on a one-way transmission protocol is characterized by comprising the following steps:
the client sends a first request signal to the first proxy node;
the first proxy node receives the first request signal, converts the first request signal into a first text file, stores the first text file in a local disk, and simultaneously sends the first text file to a second proxy node;
the second proxy node receives the first text file, converts the first text file into a second request signal and sends the second request signal to the WebService server;
the WebService server receives the second request signal, processes the second request signal to obtain a first return signal, and sends the first return signal to the second proxy node;
the second agent node receives the first reply signal, converts the first reply signal into a second text file, stores the second text file in a local disk, and simultaneously sends the second text file to the first node;
the first node receives the second text file and sends the second text file to a second node;
the second node receives the second text file and sends the second text file to the first proxy node;
the first proxy node receives the second text file, converts the second text file into a second reply signal and sends the second reply signal to the client;
the client receives the second reply signal and completes seamless access of the client to the WebService server through a single link;
the first proxy node sends the first text file to the second proxy node through a forward unidirectional link, and the first node sends the second text file to a second node through a reverse unidirectional link;
the first agent node side and the second agent node side register the registered request service interface address and the registered interface name respectively, and the unregistered interface address and the unregistered interface name cannot be converted into text files by controlling the interface address and the interface name.
6. The Web service security access method based on the unidirectional transport protocol as claimed in claim 5, wherein a first format of the first text file and a second format of the second text file are preset;
automatically converting the first request signal received by the first proxy node into a first text file according to the first format;
and automatically converting the first reply signal received by the second agent node into a second text file according to the second format.
7. The Web service security access method based on unidirectional transport protocol as claimed in claim 6, wherein the first format and the second format comprise: XML format, jason format, or custom format.
8. The method of claim 6, wherein the first format of the first file is the same as the second format of the second file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044760.1A CN110730249B (en) | 2019-10-30 | 2019-10-30 | Web service safety access system and method based on one-way transmission protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044760.1A CN110730249B (en) | 2019-10-30 | 2019-10-30 | Web service safety access system and method based on one-way transmission protocol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110730249A CN110730249A (en) | 2020-01-24 |
| CN110730249B true CN110730249B (en) | 2022-02-08 |
Family
ID=69222504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911044760.1A Active CN110730249B (en) | 2019-10-30 | 2019-10-30 | Web service safety access system and method based on one-way transmission protocol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110730249B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112866200B (en) * | 2020-12-31 | 2022-03-08 | 深圳市东晟数据有限公司 | Network equipment rule management system under complex network environment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355409A (en) * | 2011-08-16 | 2012-02-15 | 中国科学院计算技术研究所 | Data one-way transmission system |
| CN203734701U (en) * | 2013-11-27 | 2014-07-23 | 国家电网公司 | Security zone crossing enterprise service bus transmission system |
| US9992352B2 (en) * | 2014-11-01 | 2018-06-05 | Somos, Inc. | Toll-free telecommunications and data management platform |
| CN108243143B (en) * | 2016-12-23 | 2020-05-19 | 北京明朝万达科技股份有限公司 | Web agent-based gatekeeper penetration method and system |
| CN106788718A (en) * | 2017-03-17 | 2017-05-31 | 河南省中远科技有限公司 | A kind of one-way safety transmitting device, system and method based on VLC |
| US10673715B2 (en) * | 2017-07-20 | 2020-06-02 | Servicenow, Inc. | Splitting network discovery payloads based on degree of relationships between nodes |
| CN107454094A (en) * | 2017-08-23 | 2017-12-08 | 北京明朝万达科技股份有限公司 | A kind of data interactive method and system |
| CN107749840B (en) * | 2017-09-27 | 2020-06-05 | 北京机电工程研究所 | One-way data secure transmission and cooperative processing system and method based on one-way gatekeeper |
| CN108040098B (en) * | 2017-12-05 | 2020-10-16 | 北京永亚普信科技有限责任公司 | Network isolation method and system based on one-way transmission of visual information |
| CN109756497B (en) * | 2018-12-29 | 2022-03-15 | 北京旷视科技有限公司 | Method and system for transmitting call message, forwarding server and readable storage medium |
-
2019
- 2019-10-30 CN CN201911044760.1A patent/CN110730249B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110730249A (en) | 2020-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11659308B2 (en) | Intelligent gas meter for internet of things (IOT) system | |
| EP3726806B1 (en) | Method for remotely controlling vehicle on the basis of smart apparatus | |
| US7386733B2 (en) | Alert transmission apparatus and method for policy-based intrusion detection and response | |
| US10003629B2 (en) | Method and system for using JSON with a CLI for managing network devices | |
| KR100605177B1 (en) | Connection handling apparatus of home network management system | |
| US7636353B2 (en) | Method and system for transmitting data over a network | |
| CN107124430B (en) | Page hijacking monitoring method, device, system and storage medium | |
| WO2018165113A1 (en) | Dynamic header compression for constrained networks | |
| WO2000079745A1 (en) | Communications involving disparate protocol, network/bus and device subsystems | |
| CN101111832A (en) | System and method for providing client identifying information to a server | |
| US11032364B2 (en) | Method and apparatus for interworking between heterogeneous systems | |
| CN105409188A (en) | Method and system for associating internet protocol (IP) address, media access control (MAC) address and location for a user device | |
| US6389550B1 (en) | High availability protocol computing and method | |
| US20060182129A1 (en) | Distributed markup and processing apparatus and method | |
| US10997376B2 (en) | Electronic message translation management | |
| CN110730249B (en) | Web service safety access system and method based on one-way transmission protocol | |
| KR20030028310A (en) | Method for controlling a controlled device connected a home network through the internet and a controlling device thereof | |
| US11245567B2 (en) | Electronic message adaptation | |
| WO2013180255A1 (en) | Communication devices and method | |
| CN109144919B (en) | Interface switching method and device | |
| US11356298B2 (en) | Access management apparatus and access management method | |
| US20100049804A1 (en) | Instant Messaging | |
| CN103533001A (en) | Communication method and communication system based on HTTP multi-proxy, and intermediate proxy server | |
| CN113285920B (en) | Service access method, device, equipment and storage medium | |
| US11804986B2 (en) | Method for the remote management of a device connected to a residential gateway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |