CN106941418B - SSL VPN configuration information synchronization method and device - Google Patents
SSL VPN configuration information synchronization method and device Download PDFInfo
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- CN106941418B CN106941418B CN201710142892.2A CN201710142892A CN106941418B CN 106941418 B CN106941418 B CN 106941418B CN 201710142892 A CN201710142892 A CN 201710142892A CN 106941418 B CN106941418 B CN 106941418B
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- ssl vpn
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/084—Configuration by using pre-existing information, e.g. using templates or copying from other elements
Abstract
the application provides a method and a device for synchronizing SSL VPN configuration information, which are applied to a system comprising main equipment and standby equipment and comprise the following steps: when the equipment is the main equipment, configuration modification is locally executed based on an SSL VPN configuration information modification instruction sent by the terminal equipment, and an SSL VPN service message is constructed to be used as a configuration synchronous message; the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information; and sending the configuration synchronous message to the standby equipment through the SSL VPN service port so that the standby equipment locally executes the same configuration modification as the main equipment based on the configuration synchronous message. The technical scheme of the application can simplify the realization process of SSL VPN configuration information synchronization between the main equipment and the standby equipment and save equipment performance.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for synchronizing SSL VPN configuration information.
Background
With the increase of the demands of remote access, remote office and the like, the application of SSL VPN (Secure Sockets Layer; Virtual Private Network) is more and more widespread. Since the systems including the active device and the standby device, such as the dual-host system and the dual-master control system, can effectively improve the stability and performance of the network, the SSL VPN is generally applied to such systems. In such systems, it is very important to ensure consistency of each SSL VPN configuration information between the active device and the standby device.
the SSL VPN password is important configuration information related to user network security, and taking the SSL VPN password as an example, a user may input a user name and an original SSL VPN password through an SSL VPN page displayed by the terminal device, and the terminal device may send the user name and the original SSL VPN password input by the user to the primary device for verification. After the user name and the original SSL VPN password are successfully verified, the user can modify the SSL VPN password, and the terminal equipment can send the modified SSL VPN password to the main equipment. After receiving the password modification message, the active device may synchronize the modified SSL VPN password to the standby device, in addition to locally performing SSL VPN password modification based on the password modification message, so as to ensure consistency of SSL VPN passwords between the active device and the standby device. In the related art, when SSL VPN password synchronization is performed between the active device and the standby device, the modified SSL VPN password needs to be encapsulated, transmitted, and analyzed for many times, which results in a complex implementation process and waste of device performance.
Disclosure of Invention
in view of this, the present application provides a method and an apparatus for synchronizing SSL VPN configuration information, so as to solve the problems of complex implementation process and wasted device performance in the related art.
specifically, the method is realized through the following technical scheme:
In a first aspect, the present application provides a method for synchronizing SSL VPN configuration information, where the method is applied in a system including an active device and a standby device, and includes:
when the equipment is the main equipment, configuration modification is locally executed based on an SSL VPN configuration information modification instruction sent by the terminal equipment, and an SSL VPN service message is constructed to be used as a configuration synchronous message; the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information;
And sending the configuration synchronous message to the standby equipment through the SSL VPN service port so that the standby equipment locally executes the same configuration modification as the main equipment based on the configuration synchronous message.
In a second aspect, the present application provides a SSL VPN configuration information synchronization apparatus, where the apparatus is applied in a system including an active device and a standby device, and includes:
the configuration unit is used for locally executing configuration modification based on an SSL VPN configuration information modification instruction sent by the terminal equipment and constructing an SSL VPN service message as a configuration synchronization message when the equipment is the main equipment; the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information;
and the sending unit is used for sending the configuration synchronization message to the standby equipment through the SSL VPN service port so that the standby equipment locally executes the same configuration modification as the main equipment based on the configuration synchronization message.
analyzing the above technical solution, the SSL VPN process in the active device may construct an SSL VPN service packet carrying modified SSL VPN configuration information as a configuration synchronization packet, and send the configuration synchronization packet to the SSL VPN process in the standby device, and when receiving the configuration synchronization packet, the standby device may locally perform the same configuration modification as the active device based on the configuration synchronization packet, so that the consistency of the SSL VPN configuration information between the active device and the standby device may be maintained. Compared with the prior art, when the SSL VPN configuration information is synchronized between the main equipment and the standby equipment, the modified SSL VPN configuration information is only required to be packaged and analyzed once, and is not required to be sent among different processes in each equipment, so that the implementation process is simplified, and the equipment performance is saved.
Drawings
fig. 1 is a system architecture diagram in the related art;
Fig. 2 is a system architecture diagram illustrating a method for synchronizing SSL VPN configuration information according to an exemplary embodiment of the present application;
Fig. 3 is a flowchart illustrating a method for synchronizing SSL VPN configuration information according to an exemplary embodiment of the present application;
fig. 4 is a hardware structure diagram of an apparatus where a SSL VPN configuration information synchronization device is located according to an exemplary embodiment of the present application;
Fig. 5 is a block diagram of a SSL VPN configuration information synchronization apparatus according to an exemplary embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Referring to fig. 1, a system architecture diagram in the related art is shown. The SSL VPN process in the active device may first receive the modified SSL VPN configuration information sent by the terminal device. The subsequent SSL VPN process may perform configuration modification locally according to the modified SSL VPN configuration information, and may further perform first encapsulation on the modified SSL VPN configuration information according to a format used by the configuration process in the present device, and send the SSL VPN configuration information after the first encapsulation to the configuration process. After receiving the SSL VPN configuration information after the first encapsulation, the configuration process may encapsulate the SSL VPN configuration information for the second time according to the format of the synchronization message to obtain a synchronization message carrying the modified SSL VPN configuration information, and send the synchronization message to the configuration process in the standby device.
After receiving the synchronous message, the configuration process in the standby device may decapsulate the synchronous message to obtain SSL VPN configuration information after the first encapsulation, and send the SSL VPN configuration information after the first encapsulation to the SSL VPN process in the device for decapsulation. The subsequent SSL VPN process can locally execute configuration modification according to the modified SSL VPN configuration information obtained by decapsulation.
Therefore, in the related art, when the SSL VPN configuration information is synchronized between the active device and the standby device, the SSL VPN configuration information is often transmitted between different processes for many times, and the SSL VPN configuration information needs to be encapsulated and decapsulated twice, which results in a complex implementation process and waste of device performance. In addition, the SSL VPN configuration information needs to be synchronized between the active device and the standby device through the configuration process, and if the configuration process is abnormal, the SSL VPN configuration information stored in the active device and the SSL VPN configuration information stored in the standby device are inconsistent.
referring to fig. 2, a system architecture diagram of a method for synchronizing SSL VPN configuration information according to an exemplary embodiment of the present application is shown. Referring to fig. 3, a flowchart of a method for synchronizing SSL VPN configuration information according to an exemplary embodiment of the present application is shown based on the system architecture diagram shown in fig. 2. The SSL VPN configuration information synchronization method may be applied to a system including an active device and a standby device, where the active device and the standby device may be network devices such as a server, and the method may include the following steps:
Step 301: when the equipment is the main equipment, configuration modification is locally executed based on an SSL VPN configuration information modification instruction sent by the terminal equipment, and an SSL VPN service message is constructed to be used as a configuration synchronous message; and the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information.
similar to the related art, the SSL VPN process in the active device may first receive an SSL VPN configuration information modification instruction sent by the terminal device, where the SSL VPN configuration information modification instruction carries the modified SSL VPN configuration information. The subsequent SSL VPN process may locally perform configuration modification according to the modified SSL VPN configuration information. Specifically, the SSL VPN process may modify SSL VPN configuration information in the process into the modified SSL VPN configuration information, and store the modified SSL VPN configuration information in a database, so as to update all locally stored SSL VPN configuration information; the SSL VPN configuration information in the SSL VPN process is usually different from the storage location of the SSL VPN configuration information in the database.
In addition, the SSL VPN process may encapsulate the modified SSL VPN configuration information according to a format of the SSL VPN service message, so as to obtain an SSL VPN service message carrying the modified SSL VPN configuration information, and use the SSL VPN service message as a configuration synchronization message. The SSL VPN process may further set a configuration synchronization Identifier in the configuration synchronization message, where the configuration synchronization Identifier may be located in a URI field (Uniform Resource Identifier) of the SSL VPN service message, or may be located in a field preset by a technician, which is not limited by the present application.
In this embodiment, the SSL VPN configuration information may include SSL VPN password information, user single sign-on information, and other configuration information that is only related to the SSL VPN process, but not related to other processes in the network device.
Step 302: and sending the configuration synchronous message to the standby equipment through the SSL VPN service port so that the standby equipment locally executes the same configuration modification as the main equipment based on the configuration synchronous message.
In this embodiment, the SSL VPN process in the active device may send the constructed configuration synchronization packet to the SSL VPN process in the standby device through the SSL VPN service port. After receiving the configuration synchronization message, the SSL VPN process in the standby device may locally perform the same configuration modification as that of the active device according to the SSL VPN configuration information carried in the configuration synchronization message, that is, the modified SSL VPN configuration information.
Specifically, the SSL VPN process in the standby device may receive an SSL VPN service packet from the active device. When receiving the SSL VPN service packet, the SSL VPN process may first detect whether the SSL VPN service packet is a configuration synchronization packet based on a configuration synchronization identifier, for example: when a path in a URI field of the SSL VPN service message hits a configuration synchronization identifier, the SSL VPN process can determine that the SSL VPN service message is a configuration synchronization message; or, assuming that a technician sets a value 1 carried by a certain field of the SSL VPN service packet as a configuration synchronization identifier in advance, when the value carried by the field of the SSL VPN service packet is 1, the SSL VPN process may determine that the SSL VPN service packet is a configuration synchronization packet. After the SSL VPN process determines that the SSL VPN service packet is a configuration synchronization packet, the SSL VPN process may decapsulate the configuration modification packet to obtain SSL VPN configuration information carried therein. The subsequent SSL VPN process can modify the SSL VPN configuration information in the process into the modified SSL VPN configuration information and store the modified SSL VPN configuration information into a database so as to update all the SSL VPN configuration information stored locally.
In addition, when the SSL VPN process in the standby device receives the SSL VPN service packet from the active device, the SSL VPN service packet may be first subjected to validity detection based on the SSL protocol. After the SSL VPN process in the standby device determines that the SSL VPN service packet from the active device passes the validity detection, it may detect whether the SSL VPN service packet is a configuration synchronization packet based on the configuration synchronization identifier.
as can be seen from the above embodiments, the SSL VPN process in the active device may construct an SSL VPN service packet carrying modified SSL VPN configuration information as a configuration synchronization packet, and send the configuration synchronization packet to the SSL VPN process in the standby device, where the standby device may locally perform the same configuration modification as the active device based on the configuration synchronization packet when receiving the configuration synchronization packet, and thus the consistency of the SSL VPN configuration information may be maintained between the active device and the standby device. Compared with the prior art, when the SSL VPN configuration information is synchronized between the main equipment and the standby equipment, the modified SSL VPN configuration information is only required to be packaged and analyzed once, and is not required to be sent among different processes in each equipment, so that the implementation process is simplified, and the equipment performance is saved. In addition, when the configuration process is abnormal, the SSL VPN configuration information between the active device and the standby device can still be synchronized through the SSL VPN process, thereby further ensuring the consistency of the SSL VPN configuration information between the active device and the standby device.
Corresponding to the foregoing embodiments of the SSL VPN configuration information synchronization method, the present application also provides embodiments of a SSL VPN configuration information synchronization apparatus.
the embodiment of the synchronization device for the SSL VPN configuration information can be applied to a network device. The device embodiments may be implemented by software, or by hardware, or by a combination of hardware and software. The software implementation is taken as an example, and is formed by reading corresponding computer program instructions in the nonvolatile memory into the memory for operation through the processor of the network device where the software implementation is located as a logical means. In terms of hardware, as shown in fig. 4, the hardware structure diagram of the network device where the synchronization apparatus of SSL VPN configuration information of the present application is located is shown, except for the processor, the memory, the network interface, and the nonvolatile memory shown in fig. 4, the network device where the apparatus is located in the embodiment may also include other hardware according to the actual function of synchronization of the SSL VPN configuration information, which is not described again.
referring to fig. 5, a block diagram of a SSL VPN configuration information synchronization apparatus according to an exemplary embodiment of the present application is shown. The SSL VPN configuration information synchronization apparatus 500 may be applied to the network device shown in fig. 4, and includes:
a constructing unit 501, configured to, when the local device is a master device, locally perform configuration modification based on an SSL VPN configuration information modification instruction sent by a terminal device, and construct an SSL VPN service packet as a configuration synchronization packet; the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information;
A sending unit 502, configured to send the configuration synchronization packet to a standby device through an SSL VPN service port, so that the standby device locally performs the same configuration modification as the active device based on the configuration synchronization packet.
In an optional embodiment, the apparatus 500 may further include:
a detecting unit 503, configured to, when the local device is a standby device, if an SSL VPN service packet from the active device is received, detect whether the SSL VPN service packet is a configuration synchronization packet based on the configuration synchronization identifier;
A modifying unit 504, configured to locally perform, when it is determined that the SSL VPN service packet is a configuration synchronization packet, configuration modification that is the same as that of the active device based on the configuration synchronization packet.
In another optional embodiment, the configuration synchronization identifier is located in a uniform resource identifier URI field of the SSL VPN service packet.
In another optional embodiment, the locally performing configuration modification based on the SSL VPN configuration information modification instruction sent by the terminal device may include:
and modifying SSL VPN configuration information in the SSL VPN process into SSL VPN configuration information carried in the SSL VPN configuration information modification instruction, and storing the SSL VPN configuration information into a database.
In another optional embodiment, the SSL VPN configuration information may include: SSL VPN password information, user single sign-on information.
The implementation process of the functions and actions of each unit in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
the above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (12)
1. a method for synchronizing SSL VPN configuration information is applied to a system comprising an active device and a standby device, and comprises the following steps:
when the equipment is the main equipment, receiving an SSL VPN configuration information modification instruction sent by the terminal equipment through an SSL VPN process in the equipment, locally executing configuration modification and constructing an SSL VPN service message as a configuration synchronization message; the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information;
And sending the configuration synchronization message to an SSL VPN process in the standby equipment through an SSL VPN service port corresponding to the SSL VPN process in the equipment, so that the SSL VPN process in the standby equipment locally executes the same configuration modification as that of the main equipment based on the configuration synchronization message.
2. The method of claim 1, further comprising:
When the device is a standby device, if an SSL VPN service message from a main device is received, detecting whether the SSL VPN service message is a configuration synchronization message or not based on the configuration synchronization identifier;
And when the SSL VPN service message is determined to be a configuration synchronous message, locally executing the same configuration modification as the main equipment based on the configuration synchronous message.
3. The method of claim 2, wherein the configuration synchronization identifier is located in a Uniform Resource Identifier (URI) field of the SSL VPN traffic packet.
4. the method of claim 1, wherein the locally performing configuration modification based on the SSL VPN configuration information modification instruction sent by the terminal device comprises:
And modifying SSL VPN configuration information in the SSL VPN process into SSL VPN configuration information carried in the SSL VPN configuration information modification instruction, and storing the SSL VPN configuration information into a database.
5. The method of claim 1, wherein the SSL VPN configuration information comprises: SSL VPN password information, user single sign-on information.
6. A SSL VPN configuration information synchronization device is applied to a system comprising an active device and a standby device, and comprises:
A constructing unit, configured to receive, through an SSL VPN process in the local device, an SSL VPN configuration information modification instruction sent by a terminal device, perform configuration modification locally, and construct an SSL VPN service packet as a configuration synchronization packet when the local device is a master device; the configuration synchronization message carries a configuration synchronization identifier and modified SSL VPN configuration information;
And the sending unit is used for sending the configuration synchronization message to the SSL VPN process in the standby equipment through the SSL VPN service port corresponding to the SSL VPN process in the equipment so as to enable the SSL VPN process in the standby equipment to locally execute the same configuration modification as the main equipment based on the configuration synchronization message.
7. the apparatus of claim 6, further comprising:
A detecting unit, configured to, when the local device is a standby device, if an SSL VPN service packet from the active device is received, detect whether the SSL VPN service packet is a configuration synchronization packet based on the configuration synchronization identifier;
And the modification unit is used for locally executing the same configuration modification as the active device based on the configuration synchronous message when the SSL VPN service message is determined to be the configuration synchronous message.
8. The apparatus of claim 7, wherein the configuration synchronization identifier is located in a Uniform Resource Identifier (URI) field of the SSL VPN traffic packet.
9. The apparatus of claim 6, wherein the locally performing configuration modification based on the SSL VPN configuration information modification instruction sent by the terminal device comprises:
And modifying SSL VPN configuration information in the SSL VPN process into SSL VPN configuration information carried in the SSL VPN configuration information modification instruction, and storing the SSL VPN configuration information into a database.
10. The apparatus of claim 6, wherein the SSL VPN configuration information comprises: SSL VPN password information, user single sign-on information.
11. an electronic device, comprising:
a processor;
A memory for storing processor-executable instructions;
wherein the processor implements the method of any one of claims 1-5 by executing the executable instructions.
12. A computer-readable storage medium having stored thereon computer instructions, which when executed by a processor, perform the steps of the method according to any one of claims 1-5.
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| CN201710142892.2A CN106941418B (en) | 2017-03-10 | 2017-03-10 | SSL VPN configuration information synchronization method and device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107493201B (en) * | 2017-09-13 | 2020-06-09 | 杭州迪普科技股份有限公司 | Synchronization method and device for configuration messages |
| CN109905402B (en) * | 2019-03-25 | 2021-03-23 | 杭州迪普科技股份有限公司 | SSO login method and device based on SSL VPN |
| CN112714184B (en) * | 2020-12-29 | 2022-07-15 | 杭州迪普科技股份有限公司 | Handshake process processing method and device |
| CN113794684B (en) * | 2021-08-10 | 2023-07-18 | 新华三信息安全技术有限公司 | Message processing method and device |
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