CN106533880A - Method and apparatus for erecting VPN service on cloud server - Google Patents
Method and apparatus for erecting VPN service on cloud server Download PDFInfo
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- CN106533880A CN106533880A CN201610952689.7A CN201610952689A CN106533880A CN 106533880 A CN106533880 A CN 106533880A CN 201610952689 A CN201610952689 A CN 201610952689A CN 106533880 A CN106533880 A CN 106533880A
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Classifications
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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]
-
- 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
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
-
- 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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a method and apparatus for erecting VPN service on a cloud server, for realizing the purpose of flexibly and effectively erecting VPN service on a cloud server. The method comprises the following steps: installing a software kit of software, used for erecting VPN service on a cloud server of a Linux core; configuring the software according to preset configuration rules; starting an IP forwarding function of the Linux core; and configuring release and forwarding rules of a firewall correlated with the VPN, and performing restart after configuration is completed so as to complete erection of the VPN service.
Description
Technical field
The present invention relates to Computer Applied Technology field, more particularly to a kind of side that VPN services are built on Cloud Server
Method and device.
Background technology
VPN (Virtual Private Network, VPN (virtual private network)), its function are to set up special in common network
With network, communication is encrypted, is widely used in enterprise network.Why which is referred to as virtual net, is primarily due to whole
Physical link end to end needed for the not traditional private network of connection between any two node of VPN, but framework
In the network platform provided by common network service provider, such as Internet, ATM (Asynchronous Transfer Mode, it is different
Step transmission mode), the logic network on Frame Relay (frame relay) etc., user data transmitted in logical links.It contains
The extension of the dedicated network that the encapsulation across shared network or public network, encryption and authentication are linked is covered.Vpn gateway passes through
Remote access is realized in the conversion of encryption and packet destination address to packet.VPN has various mode classifications, mainly by association
View is classified.VPN can be realized by various ways such as server, hardware, softwares.VPN has low cost, it is easy to use
Feature.
The content of the invention
The present invention provides a kind of method and device that VPN services are built on Cloud Server, to realize flexibly and effectively
The purpose of VPN services is built on Cloud Server.
The present invention provides a kind of method that VPN services are built on Cloud Server, including：
Install for build on the Cloud Server of linux kernel VPN service software software kit；
The software is configured according to default configuration rule；
Open the IP forwarding capabilitys of the linux kernel；
The clearance of the configuration fire wall related to VPN services and forwarding rule, and restarted after configuration is complete,
To complete to build the VPN services.
In an embodiment of the present invention, installing for the software that VPN is serviced is built on the Cloud Server of linux kernel
Software kit before, methods described also includes：
Verify whether the linux kernel has loaded MPPE modules；
If so, then continue executing with the operation of the software kit for installing software.
In an embodiment of the present invention, it is described the software to be configured according to default configuration rule, including：
Obtain first configuration file for configuring user account information of the software；
The user account information of the VPN services is configured in first configuration file.
In an embodiment of the present invention, the IP forwarding capabilitys of the linux kernel are opened, including：
Obtain for configuring the second configuration file of the IP forwarding capabilitys of the linux kernel；
The IP forwarding capabilitys of the linux kernel are opened in the configuration in second configuration file, and run specified order
So that the configuration take-effective.
In an embodiment of the present invention, clearance and the forwarding rule of the fire wall related to VPN services, bag are configured
Include：
Fire wall is configured, with the packet that the VPN services of letting pass are allowed；And/or
By the POSTROUTING chains for configuring NAT table, increase NAT and allow VPN client to pass through the Cloud Server
Access the Internet.
The present invention also provides a kind of device that VPN services are built on Cloud Server, including：
Install module, for install for build on the Cloud Server of linux kernel VPN service software software
Bag；
First configuration module, for configuring to the software according to default configuration rule；
Opening module, for opening the IP forwarding capabilitys of the linux kernel；
Second configuration module, for configuring clearance and the forwarding rule of the fire wall related to VPN services, and is matching somebody with somebody
Restarted after the completion of putting, to complete to build the VPN services.
In an embodiment of the present invention, described device also includes：
Authentication module, for installing for VPN services are built on the Cloud Server of linux kernel in the installation module
Software software kit before, verify whether the linux kernel has loaded MPPE modules；If so, then continue executing with installation soft
The operation of the software kit of part.
In an embodiment of the present invention, first configuration module is additionally operable to：
Obtain first configuration file for configuring user account information of the software；
The user account information of the VPN services is configured in first configuration file.
In an embodiment of the present invention, the opening module is additionally operable to：
Obtain for configuring the second configuration file of the IP forwarding capabilitys of the linux kernel；
The IP forwarding capabilitys of the linux kernel are opened in the configuration in second configuration file, and run specified order
So that the configuration take-effective.
In an embodiment of the present invention, second configuration module is additionally operable to：
Fire wall is configured, with the packet that the VPN services of letting pass are allowed；And/or
By the POSTROUTING chains for configuring NAT table, increase NAT and allow VPN client to pass through the Cloud Server
Access the Internet.
In embodiments of the present invention, install for build on the Cloud Server of linux kernel VPN service software it is soft
Part bag；The software is configured according to default configuration rule；Open the IP forwarding capabilitys of the linux kernel；Configuration
The clearance of the fire wall related to VPN services and forwarding rule, and restarted after configuration is complete, to complete to build
VPN is serviced.As can be seen here, the embodiment of the present invention can realize the mesh that VPN services are flexibly and effectively built on Cloud Server
's.
Other features and advantages of the present invention will be illustrated in the following description, also, partly be become from description
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
In book, claims and accompanying drawing, specifically noted structure is realizing and obtain.
Below by drawings and Examples, technical scheme is described in further detail.
Description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for description, the reality with the present invention
Applying example is used for explaining the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Flow charts of the Fig. 1 to build the method for VPN services in one embodiment of the invention on Cloud Server；
Flow charts of the Fig. 2 to build the method for VPN services in another embodiment of the present invention on Cloud Server；
Fig. 3 be one embodiment of the invention in build on Cloud Server VPN service device structural representation；And
Fig. 4 be another embodiment of the present invention in build on Cloud Server VPN service device structural representation.
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example and be merely to illustrate and explain the present invention, be not intended to limit the present invention.
The flow chart for building the method for VPN services in being illustrated in figure 1 one embodiment of the invention on Cloud Server, the party
Method may comprise steps of S11-S14.
Step S11, install for build on the Cloud Server of linux kernel VPN service software software kit.
In this step, software can be PPP (Point to Point Protocol, point-to-point protocol), and PPTP is used
Ppp protocol is packaged to user data, and then PPP information frame is encapsulated in IP datagram, is propagated via IP network.Therefore
This software of PPP has been carried firstly the need of ppp protocol, the full version CentOS on the Cloud Server of linux kernel is supported
Bag, if what is installed on Cloud Server is the simplified system of Minial CentOS etc, can be installed by command below
PPP：yum install PPP.
Additionally, software can also be pptpd, there is ppp protocol support, next pptpd is installed.Iptables, equally,
If not the system of Minial, it should not without installation iptables.This is most popular fire wall under Linux, acquiescence
Can just should find, if it is not, yum install iptables.
Step S12, configures to software according to default configuration rule.
In this step, for example, configuring PPP needs to edit its two configuration files, and one is option (option) literary
Part, one is user account file.Here, edit option files order be：vi/etc/ppp/options.pptpd；Compile
The order of volume user account file is：vi/etc/ppp/chap-secrets.
By taking option files as an example, mtu 1440, mru 1440 etc. can be added in this document, beaten not with solving webpage
The problem opened.
Step S13, opens the IP forwarding capabilitys of linux kernel.
Step S14, configures clearance and the forwarding rule of the fire wall related to VPN services, and carries out after configuration is complete
Restart, to complete to build VPN services.
In embodiments of the present invention, install for build on the Cloud Server of linux kernel VPN service software it is soft
Part bag；The software is configured according to default configuration rule；Open the IP forwarding capabilitys of the linux kernel；Configuration
The clearance of the fire wall related to VPN services and forwarding rule, and restarted after configuration is complete, to complete to build
VPN is serviced.As can be seen here, the embodiment of the present invention can realize the mesh that VPN services are flexibly and effectively built on Cloud Server
's.
In the alternative embodiment of the present invention, above step S11 is being installed for taking on the Cloud Server of linux kernel
Before the software kit of the software for building VPN services, can also verify whether linux kernel has loaded MPPE (Microsoft
Point-to-Point Encryption, the point-to-point cryptography of Microsoft) module；If so, then continue executing with the software for installing software
The operation of bag；If it is not, then installing loading MPPE modules.
In the alternative embodiment of the present invention, above step S12 may be embodied as following steps A1 to A2：
Step A1, obtains first configuration file for configuring user account information of software；
Step A2, configures the user account information of VPN services in the first configuration file.
For example, store the configuration file of user account information：Vi/etc/ppp/chap-secrets, this file are non-
It is often simple, wherein with the user name of stored in clear VPN client, service name, password and IP address range, every one account of row：
Wherein the oneth the 3rd row are username and password respectively；Secondary series should be with file/etc/ppp/ above
The service name specified after name in options.pptpd is consistent；Last string limits client ip address, and asterisk is represented not to be had
Limit.
In the alternative embodiment of the present invention, above step S13 may be embodied as following steps B1 to B2：
Step B1, obtains for configuring the second configuration file of the IP forwarding capabilitys of linux kernel；
Step B2, in the second configuration file configuration open linux kernel IP forwarding capabilitys, and run specify order with
Make the configuration take-effective.
In the present embodiment, vpn server is made to pass through can client as the pass-through proxy of network request
VPN accesses Internet, in addition it is also necessary to open the IP forwarding capabilitys of kernel.Configuration file can be edited, its order is vi/etc/
Sysctl.conf, finds row net.ipv4.ip_forward=0 therein, is revised as net.ipv4.ip_forward
=1, then performing order sysctl-p makes above-mentioned modification come into force.
In the alternative embodiment of the present invention, above step S14 may be embodied as configuring fire wall, to let pass
The packet that VPN services are allowed；Or, by configuring NAT, (Network Address Translation, the network address turn
Change) the POSTROUTING chains of table, increase NAT allow VPN client the Internet to be accessed by Cloud Server.
For example, the old rule of fire wall can be removed, is ordered as follows：
iptables-F
iptables-X
iptables-t nat-F
iptables-t nat-X
Further, it is also possible to add in/bin/iptables.sh files such as issue orders：
/sbin/iptables-A INPUT-p gre-j ACCEPT
/sbin/iptables-A INPUT-p tcp--dport 1723-j ACCEPT
/sbin/iptables-A INPUT-p tcp--dport 47-j ACCEPT
It should be noted that such scheme is to have disposed that all iptables are regular first, new rule are then just disposed
Then, in actual applications, if needing to retain existing rule on machine, then the backup of old rule can be carried out.
The method that VPN services are built on Cloud Server of the present invention is discussed in detail below by a specific embodiment
Realize process.The flow chart for building the method for VPN services in being illustrated in figure 2 another embodiment of the present invention on Cloud Server,
The method may comprise steps of S21-S24.
Step S21, install for build on the Cloud Server of linux kernel VPN service software software kit.
Before this step, can also verify whether linux kernel has loaded MPPE modules；If so, then continue executing with peace
The operation of the software kit of dress software；If it is not, then installing loading MPPE modules.
Software can be PPP, and PPTP is packaged to user data using ppp protocol, is then encapsulated in PPP information frame
In IP datagram, propagate via IP network.Therefore it is firstly the need of ppp protocol is supported, complete on the Cloud Server of linux kernel
Version CentOS has carried this software kit of PPP, if what is installed on Cloud Server is simplifying for Minial CentOS etc
System, then can install PPP by command below：yum install PPP.
Additionally, software can also be pptpd, there is ppp protocol support, next pptpd is installed.Iptables, equally,
If not the system of Minial, it should not without installation iptables.This is most popular fire wall under Linux, acquiescence
Can just should find, if it is not, yum install iptables.
Step S22, obtains first configuration file for configuring user account information of software, in the first configuration file
The user account information of configuration VPN services.
In this step, for example, configuring PPP needs to edit its two configuration files, and one is option files, one
It is user account file.Here, edit option files order be：vi/etc/ppp/options.pptpd；Editor user
The order of account files is：vi/etc/ppp/chap-secrets.
By taking option files as an example, mtu 1440, mru 1440 etc. can be added in this document, beaten not with solving webpage
The problem opened.
By taking user account file as an example, user name, service name, password and the IP ground of stored in clear VPN client can be used
Location scope, often one account of row：
Wherein the oneth the 3rd row are username and password respectively；Secondary series should be with file/etc/ppp/ above
The service name specified after name in options.pptpd is consistent；Last string limits client ip address, and asterisk is represented not to be had
Limit.
Step S23, obtains for configuring the second configuration file of the IP forwarding capabilitys of linux kernel, in the second configuration text
The IP forwarding capabilitys of linux kernel are opened in configuration in part, and run specified order so that the configuration take-effective.
In this step, vpn server is made to pass through can client as the pass-through proxy of network request
VPN accesses Internet, in addition it is also necessary to open the IP forwarding capabilitys of kernel.Configuration file can be edited, its order is vi/etc/
Sysctl.conf, finds row net.ipv4.ip_forward=0 therein, is revised as net.ipv4.ip_forward
=1, then performing order sysctl-p makes above-mentioned modification come into force.
Step S24, configures clearance and the forwarding rule of the fire wall related to VPN services, and carries out after configuration is complete
Restart, to complete to build VPN services.
In this step, fire wall can be configured, with the packet that VPN services of letting pass are allowed；Or, by matching somebody with somebody
The POSTROUTING chains of NAT table are put, and are increased NAT and are allowd VPN client the Internet to be accessed by Cloud Server.
It should be noted that in actual applications, above-mentioned all optional embodiments can be with any by the way of combining
Combination, forms the alternative embodiment of the present invention, and this is no longer going to repeat them.
The method that VPN services are built on Cloud Server in corresponding to above-described embodiment, the present invention also provide one kind and exist
The device of VPN services is built on Cloud Server.VPN clothes are built in being illustrated in figure 3 one embodiment of the invention on Cloud Server
The structural representation of the device of business, including：
Install module 31, for install for build on the Cloud Server of linux kernel VPN service software software
Bag；
First configuration module 32, for configuring to the software according to default configuration rule；
Opening module 33, for opening the IP forwarding capabilitys of the linux kernel；
Second configuration module 34, the clearance and forwarding for configuring the fire wall related to VPN services are regular, and
Configuration is restarted after completing, to complete to build the VPN services.
In an embodiment of the present invention, as shown in figure 4, the device that figure 3 above shows can also include：
Authentication module 41, for installing for VPN is built on the Cloud Server of linux kernel in the installation module 31
Before the software kit of the software of service, verify whether the linux kernel has loaded MPPE modules；If so, then continue executing with peace
The operation of the software kit of dress software.
In an embodiment of the present invention, above-mentioned first configuration module 32 is additionally operable to：
Obtain first configuration file for configuring user account information of the software；
The user account information of the VPN services is configured in first configuration file.
In an embodiment of the present invention, above-mentioned opening module 33 is additionally operable to：
Obtain for configuring the second configuration file of the IP forwarding capabilitys of the linux kernel；
The IP forwarding capabilitys of the linux kernel are opened in the configuration in second configuration file, and run specified order
So that the configuration take-effective.
In an embodiment of the present invention, above-mentioned second configuration module 34 is additionally operable to：
Fire wall is configured, with the packet that the VPN services of letting pass are allowed；And/or
By the POSTROUTING chains for configuring NAT table, increase NAT and allow VPN client to pass through the Cloud Server
Access the Internet.
The said apparatus of the embodiment of the present invention：Install for the soft of VPN services is built on the Cloud Server of linux kernel
The software kit of part；The software is configured according to default configuration rule；Open the IP forwarding work(of the linux kernel
Energy；The clearance of the configuration fire wall related to VPN services and forwarding rule, and restarted after configuration is complete, with complete
Service into VPN is built.As can be seen here, the embodiment of the present invention can realize that flexibly and effectively building VPN on Cloud Server services
Purpose.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can adopt complete hardware embodiment, complete software embodiment or with reference to the reality in terms of software and hardware
Apply the form of example.And, the present invention can be using the computer for wherein including computer usable program code at one or more
The shape of the computer program implemented in usable storage medium (including but not limited to disk memory and optical memory etc.)
Formula.
The present invention be with reference to method according to embodiments of the present invention, equipment (system), and computer program flow process
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
The combination of journey and/or square frame and flow chart and/or flow process and/or square frame in block diagram.These computer programs can be provided
The processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. it is a kind of that the method that VPN is serviced is built on Cloud Server, it is characterised in that to include：
Install for build on the Cloud Server of linux kernel VPN service software software kit；
The software is configured according to default configuration rule；
Open the IP forwarding capabilitys of the linux kernel；
The clearance of the configuration fire wall related to VPN services and forwarding rule, and restarted after configuration is complete, with complete
Service into the VPN is built.
2. method according to claim 1, it is characterised in that installing for taking on the Cloud Server of linux kernel
Before the software kit of the software for building VPN services, methods described also includes：
Verify whether the linux kernel has loaded MPPE modules；
If so, then continue executing with the operation of the software kit for installing software.
3. method according to claim 1 and 2, it is characterised in that it is described according to default configuration rule to the software
Configured, including：
Obtain first configuration file for configuring user account information of the software；
The user account information of the VPN services is configured in first configuration file.
4. method according to claim 1 and 2, it is characterised in that open the IP forwarding capabilitys of the linux kernel, bag
Include：
Obtain for configuring the second configuration file of the IP forwarding capabilitys of the linux kernel；
The IP forwarding capabilitys of the linux kernel are opened in the configuration in second configuration file, and run specify order so that
The configuration take-effective.
5. method according to claim 1 and 2, it is characterised in that the configuration fire wall related to VPN services is put
Row and forwarding rule, including：
Fire wall is configured, with the packet that the VPN services of letting pass are allowed；And/or
By the POSTROUTING chains for configuring NAT table, increase NAT and VPN client is accessed by the Cloud Server
The Internet.
6. it is a kind of that the device that VPN is serviced is built on Cloud Server, it is characterised in that to include：
Install module, for install for build on the Cloud Server of linux kernel VPN service software software kit；
First configuration module, for configuring to the software according to default configuration rule；
Opening module, for opening the IP forwarding capabilitys of the linux kernel；
Second configuration module, for configuring clearance and the forwarding rule of the fire wall related to VPN services, and is configuring
Restarted into after, to complete to build the VPN services.
7. device according to claim 6, it is characterised in that also include：
Authentication module, for installing for the soft of VPN services is built on the Cloud Server of linux kernel in the module of installing
Before the software kit of part, verify whether the linux kernel has loaded MPPE modules；If so, then continue executing with and software is installed
The operation of software kit.
8. the device according to claim 6 or 7, it is characterised in that first configuration module is additionally operable to：
Obtain first configuration file for configuring user account information of the software；
The user account information of the VPN services is configured in first configuration file.
9. the device according to claim 6 or 7, it is characterised in that the opening module is additionally operable to：
Obtain for configuring the second configuration file of the IP forwarding capabilitys of the linux kernel；
The IP forwarding capabilitys of the linux kernel are opened in the configuration in second configuration file, and run specify order so that
The configuration take-effective.
10. the device according to claim 6 or 7, it is characterised in that second configuration module is additionally operable to：
Fire wall is configured, with the packet that the VPN services of letting pass are allowed；And/or
By the POSTROUTING chains for configuring NAT table, increase NAT and VPN client is accessed by the Cloud Server
The Internet.
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| CN201610952689.7A CN106533880A (en) | 2016-11-02 | 2016-11-02 | Method and apparatus for erecting VPN service on cloud server |
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|---|---|---|---|
| CN201610952689.7A CN106533880A (en) | 2016-11-02 | 2016-11-02 | Method and apparatus for erecting VPN service on cloud server |
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| CN111404801A (en) * | 2020-03-27 | 2020-07-10 | 四川虹美智能科技有限公司 | Data processing method, device and system for cross-cloud manufacturer |
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