CN103581265A - Remote access method and system - Google Patents
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- CN103581265A CN103581265A CN201210277740.0A CN201210277740A CN103581265A CN 103581265 A CN103581265 A CN 103581265A CN 201210277740 A CN201210277740 A CN 201210277740A CN 103581265 A CN103581265 A CN 103581265A
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Abstract
The invention discloses a remote access method and system. The remote access method and system are used by a user terminal to remotely access a remote terminal through a transit server. The method comprises the steps that the user terminal sends a request to the transit server for accessing the remote terminal; the transit server receives the request after verifying authentication information, accesses the remote terminal with the adoption of a preset access protocol matched with the remote terminal to obtain interface data of the remote terminal, converts the interface data into a data format capable of being received by a web browser and sends the interface data to the web browser of the user terminal; the user terminal sends an input control instruction, received based on the interface data, on the wed browser to the transit server, the transit server conducts encoding on the input control instruction and transmits the encoded input control instruction to the remote terminal, and therefore the remote terminal is operated and controlled. During the remote access, the user terminal does not need to install any remote access client terminal, and remote terminals with different protocols are accessed and controlled. Great convenience is brought to user operation, and user access efficiency is improved.
Description
Technical field
The present invention relates to communication means and system, relate in particular to a kind of remote access method and system.
Background technology
Along with the development of Internet technology, user controls or accesses long-range computer by network using remote access technology conventionally.At present, there are a lot of such remote access protocols, for example virtual network is calculated agreement (VNC:Virtual Network Computing), the super thin client of the simple displaying agreement based on platform independence, can, by complete window interface by network, be transferred on the screen of another computer; For example remote display protocol (RDP:remote display protocol), provides the connection between client and server.Agreement is carried out transfer of data by TCP/IP, has carried out the packing of tri-layers of ISO/MCS/SEC before real data, and ISO/MCS is two-layer for the communication of multiple spot concurrent type frog provides reliable transmission guarantee, and SEC layer provides to be processed the encryption and decryption of RDP detailed data; Safety shell protocol (SSH:Secure Shell) for example, a kind of agreement that safety long-distance login and the service of other secure network are provided on insecure network; And Telnet agreement for example, the terminal emulation protocol under a kind of TCP/IP environment, sets up being connected between server and client computer by TCP.In these agreements, some is the communication protocol based on image transmitting, for example VNC agreement and RDP agreement, and some is the communication protocol based on word transmission, for example SSH agreement and Telnet agreement.In order to use these remote access protocols, user must install corresponding computer software, and preserves access code or key separately, and when the remote computer of managing is more, this mode wastes time and energy often.In addition, some remote access protocol also must rely on specific hardware and operating system platform, has so also limited greatly user's environment for use, to user, has brought very large inconvenience.While is because the port that various remote access protocols are used is different, so user is easily subject to enterprises firewall restriction and causes implementing normally carrying out when implementing Long-distance Control.
Summary of the invention
The technical problem to be solved in the present invention is the defect that makes user terminal to the remote access complexity of remote terminal and be difficult to realize due to multiple remote access protocol in prior art, and a kind of remote access method and system are provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of remote access method is provided, for user terminal, by transfer server, carrys out remote access remote terminal, described method comprises step:
S100, described user terminal are to remote terminal described in transfer server request access;
After S200, described transfer server authentication verification information, accept described request, and select the default access protocal mating with remote terminal to access described remote terminal to obtain the interface data of described remote terminal, described interface data is converted to the data format that web browser is accepted, and by image and/or text mode, is sent in the web browser of described user terminal;
S300, described user terminal are sent to described transfer server by the input control order receiving based on described interface data in described web browser, described transfer server is encoded to described input control order according to the described access protocal mating with remote terminal and is forwarded to described remote terminal, thereby operates and control described remote terminal.
In the remote access method according to the embodiment of the present invention,
Described step S200 further comprises step:
S210, described transfer server require described user terminal input reference voucher; And
S220, described user terminal backward reference voucher, if described access credentials authentication failed stops described remote access; If described access credentials is proved to be successful, continue to carry out described step S200.
In the remote access method according to the embodiment of the present invention, in described step S200, described transfer server is converted to by described interface data the data format that web browser is accepted, and use websocket agreement, by image and/or text mode, the described interface data after conversion is sent in the web browser of described user terminal.
In the remote access method according to the embodiment of the present invention, in described step S300, described input control order is from mouse, display and/or the keyboard input of described user terminal.
In the remote access method according to the embodiment of the present invention, described access protocal comprises virtual network calculating agreement, remote display protocol, safety shell protocol and/or Telnet agreement.
In the remote access method according to the embodiment of the present invention, described user terminal communicates to connect by the Internet and described transfer server.
According to another aspect of the present invention, a kind of remote access system is also provided, comprise user terminal, the transfer server being connected with described user terminal communication and the remote terminal communicating to connect with described transfer server; In the process of remote terminal described in described user terminal remote access,
Described user terminal is to remote terminal described in transfer server request access;
After described transfer server authentication verification information, accept described request, and use the default access protocal mating with remote terminal to access described remote terminal to obtain the interface data of described remote terminal, described interface data is converted into the data format that web browser is accepted, and by image and/or text mode, is sent in the web browser of described user terminal; And
Described user terminal is sent to described transfer server by the input control order receiving based on described interface data in described web browser, described transfer server is encoded to described input control order according to the described access protocal mating with remote terminal and is forwarded to described remote terminal, thereby operates and control described remote terminal.
In the remote access system according to the embodiment of the present invention, described transfer server is converted to by described interface data the data format that web browser is accepted, and use websocket agreement, by image and/or text mode, the described interface data after conversion is sent in the web browser of described user terminal.
In the remote access system according to the embodiment of the present invention, described access protocal comprises virtual network calculating agreement, remote display protocol, safety shell protocol and/or Telnet agreement.
In the remote access system according to the embodiment of the present invention, the described input control order of inputting from mouse, display and/or the keyboard of described user terminal.
The beneficial effect that the present invention produces is: according to remote access method of the present invention and system, user terminal is via transfer server remote access remote terminal, and in remote access process, user terminal is accessed remote terminal operating remote based on web browser, therefore user terminal, without any remote access client is installed, can conduct interviews and control remote terminal.Facilitate greatly user's operation, improved user's access efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the remote access system of the embodiment of the present invention;
Fig. 2 is the flow chart of the remote access method of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the structural representation according to the remote access system of the embodiment of the present invention, and as shown in Figure 1, this remote access system comprises several user terminals 100, at least one transfer server 200 and several remote terminals 300.Wherein, user terminal 100 communicates to connect with transfer server 200 respectively, for example can be by the Internet and transfer server 200 communication connections; And remote terminal 300 respectively with transfer server 200 communication connection, to carry out exchanges data.
User terminal 100 is the device end of direct and user interactions, comprises suitable interface, circuit and/or logic.User terminal 100 can be for example desktop computer 110, by its fire compartment wall 111 and transfer server 200 communication connections, can be for example also that notebook computer 120, panel computer 130 and/or intelligent terminal 140(are such as mobile terminal).Below only using for examplely, is not limitation of the present invention.In addition, user terminal 100 can be one, can be also a plurality of.
Transfer server 200 comprises suitable interface, circuit and/or logic, can carry out data interaction with user terminal 100 and remote terminal 300 respectively, for example, transfer server 200 can adopt HTTP or HTTPS agreement by the Internet and user terminal 100 swap datas.In addition, transfer server 200 can be one, can be also a plurality of.
Remote terminal 300 is treated remote access device end for user terminal 100, for example, be computer.Remote terminal 300 can be one, can be also a plurality of, as remote computer 310-340 has been shown in Fig. 1.Remote terminal 300 comprises suitable interface, circuit and/or logic, can use communication protocol and transfer server 200 separately to carry out exchanges data, still as shown in Figure 1, remote computer 310 can use VNC agreement and transfer server 200 to carry out exchanges data, remote computer 320 can use RDP agreement and transfer server 200 to carry out exchanges data, remote computer 330 can use SSH agreement and transfer server 200 to carry out exchanges data, and remote computer 340 can use Telnet agreement and transfer server 200 to carry out exchanges data.Certainly, also can use identical communication protocol and transfer server 200 to carry out exchanges data; And can be also other terminal protocol, comprise the terminal protocols such as Freenx, xdmcp, ica, pcoip, spice.
Fig. 2 shows the flow chart that carries out remote access method according to the above-mentioned remote access system of use of the embodiment of the present invention, in the method, user terminal 100 carrys out remote access remote terminal 300 by transfer server 200, below in conjunction with Fig. 2, by step, describes this remote access method.
S100, user terminal 100 are to transfer server 200 request access remote terminals 300.In this step, first user terminal 100 accesses transfer server 200, for example, by the Internet, access transfer server 200, and to transfer server 200, sends the access request of access remote terminal 300.
After S200, transfer server 200 authentication verification information, accept the access request of user terminal 100, preferably, this step further comprises step S211, and wherein transfer server 200 requires user terminal 100 input reference vouchers; And step S212, user terminal 100 returns to the access credentials of input, if this access credentials authentication failed, remote access stops; If this access credentials is proved to be successful, carry out step below.Above-mentioned access credentials can be predefined password or key in transfer server 200, and this password or key are arranged with user terminal 100.
Subsequently, in step S220, if transfer server 200 has been accepted the access request of user terminal 100, use the predefined access protocal access remote terminal 300 mating with remote terminal, for example, use VNC agreement to conduct interviews to remote terminal 310.
In step S220, by the access of above-mentioned transfer server 200, the interface data of the remote terminal 300 that remote terminal 300 backward references are required is to transfer server 200.
In step S230, transfer server 200 receives these interface datas, and the interface data that this access is obtained converts graph data, lteral data and/or both combinations of web browser acceptance to, is kept in corresponding meshwork buffering district.Subsequently the data after conversion are sent in the web browser of user terminal 100.Preferably, transfer server 200 is used websocket agreement that the graph data of conversion, lteral data and/or both combinations are sent in the web browser of user terminal 100.Thereby when user terminal 100 receives after this interface data, can on its display interface, utilize web browser to show this interface data, thereby realize the direct interaction of user terminal 100 with remote terminal 300.
S300, user terminal 100 are sent to transfer server 200 by the input control order receiving based on interface data in web browser, transfer server 200 is encoded to input control order according to the access protocal mating with remote terminal and is forwarded to remote terminal 300, thus operation and control remote terminal 300.
Particularly, in step S310, the interface data from remote terminal 300 showing by the web browser on user terminal 100, user is by mouse, display and/or keyboard input control order in web browser, this input control order can not directly send to remote terminal 300, can only first send to transfer server 200.
In step S320, transfer server 200 receives this input control order, and according to the access protocal mating with remote terminal, input control order is encoded, thereby the input control order after coding is sent to remote terminal 300.Remote terminal 300 receives input control order, and carries out this input control order, thereby realizes user terminal 100 operations and control remote terminal 300.
The user of take is revised a word document and is described as example providing by user terminal 100 on the remote terminal 300 of VNC protocol service, first user terminal 100 sends access request by Web browser to transfer server 200, after authentication verification, transfer server 200 is used VNC agreement to obtain current desk interface data from remote terminal 300, and this interface data is converted to form that web browser accepts, with picture format, is sent to user terminal 100, thereby can in the web browser of user terminal 100, show this interface data.User, based on this interface data, finds required word document icon, double-clicks this word document icon subsequently with mouse.Now mouse is double-clicked and is the input control order of opening this word document, this input control order is sent to transfer server 200 by Web browser, transfer server 200 is encoded to it according to VNC agreement and is forwarded to remote terminal 300, remote terminal 300 is carried out this input control order immediately, open above-mentioned word document, meanwhile, there is change in the current interface of remote terminal 300, is shown as word document content.In this process, user terminal 100 can continue to send access request to transfer server 200, can on user terminal 100, show like this interface after changing, the word document content of opening, based on this demonstration, user can pass through keyboard input character in the position of needs by web browser, and now the character of this keyboard input is input control order, after being forwarded to remote terminal 300 after transfer server 200 codings, can realize the modification to word document.And amended word document also can feed back on the browser that is presented at user terminal 100.
As can be seen from the above, in according to remote access method of the present invention and system, user terminal is via transfer server remote access remote terminal, and in remote access process, user terminal is carried out remote access based on web browser to remote terminal, therefore user terminal, without any remote access client is installed, only needs web browser (for example using the web browser of supporting html5 agreement), can remote terminal be conducted interviews and be controlled.Meanwhile, this access mode can above be used at the hardware platform (PC, flat board or smart mobile phone) of nearly all main flow, has facilitated greatly user's operation, has improved user's access efficiency.In addition, only use http or https agreement to carry out on the internet exchanges data, can effectively avoid firewall restriction, guarantee remote access normal enforcement.
Meanwhile, the transfer of data pressure transfer producing during by same remote terminal of multiple users remote access has simultaneously arrived on transfer server and this section of network of client terminal, because transfer server is to the conversion of data format and compression, and the quantity of transfer server can increase according to actual needs, therefore when multi-user access, the employing of transfer server will effectively reduce transfer of data pressure, thereby promote the remote access efficiency of user.
Simultaneously, when a user needs many station terminals of remote access simultaneously, if adopting original access mode carries out direct-connected based on various terminal protocols, user need to be directed to each station terminal and configure simultaneously and enable multiple corresponding client terminals, and this is no matter for client device, network, and user's operation complexity all will bring no small pressure; By transfer server, user operates many station terminals equipment after can realizing single-sign-on simultaneously, thereby effectively improves remote access efficiency.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a remote access method, is characterized in that, for user terminal, by transfer server, carrys out remote access remote terminal, and described method comprises step:
S100, described user terminal are to remote terminal described in transfer server request access;
After S200, described transfer server authentication verification information, accept described request, and select the default access protocal mating with remote terminal to access described remote terminal to obtain the interface data of described remote terminal, described interface data is converted to the data format that web browser is accepted, and by image and/or text mode, is sent in the web browser of described user terminal;
S300, described user terminal are sent to described transfer server by the input control order receiving based on described interface data in described web browser, described transfer server is encoded to described input control order according to the described access protocal mating with remote terminal and is forwarded to described remote terminal, thereby operates and control described remote terminal.
2. remote access method according to claim 1, is characterized in that,
Described step S200 further comprises step:
S210, described transfer server require described user terminal input reference voucher; And
S220, described user terminal backward reference voucher, if described access credentials authentication failed stops described remote access; If described access credentials is proved to be successful, continue to carry out described step S200.
3. remote access method according to claim 1 and 2, it is characterized in that, in described step S200, described transfer server is converted to by described interface data the data format that web browser is accepted, and use websocket agreement, by image and/or text mode, the described interface data after conversion is sent in the web browser of described user terminal.
4. remote access method according to claim 1 and 2, is characterized in that, in described step S300, described input control order is from mouse, display and/or the keyboard input of described user terminal.
5. remote access method according to claim 1 and 2, is characterized in that, described access protocal comprises virtual network calculating agreement, remote display protocol, safety shell protocol and/or Telnet agreement.
6. remote access method according to claim 1 and 2, is characterized in that, described user terminal communicates to connect by the Internet and described transfer server.
7. a remote access system, is characterized in that, comprises user terminal, the transfer server being connected with described user terminal communication and the remote terminal communicating to connect with described transfer server; In the process of remote terminal described in described user terminal remote access,
Described user terminal is to remote terminal described in transfer server request access;
After described transfer server authentication verification information, accept described request, and use the default access protocal mating with remote terminal to access described remote terminal to obtain the interface data of described remote terminal, described interface data is converted into the data format that web browser is accepted, and by image and/or text mode, is sent in the web browser of described user terminal; And
Described user terminal is sent to described transfer server by the input control order receiving based on described interface data in described web browser, described transfer server is encoded to described input control order according to the described access protocal mating with remote terminal and is forwarded to described remote terminal, thereby operates and control described remote terminal.
8. remote access system according to claim 7, it is characterized in that, described transfer server is converted to by described interface data the data format that web browser is accepted, and use websocket agreement, by image and/or text mode, the described interface data after conversion is sent in the web browser of described user terminal.
9. remote access system according to claim 7, is characterized in that, described access protocal comprises virtual network calculating agreement, remote display protocol, safety shell protocol and/or Telnet agreement.
10. remote access method according to claim 7, is characterized in that, the described input control order of inputting from mouse, display and/or the keyboard of described user terminal.
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| CN111381922A (en) * | 2020-03-05 | 2020-07-07 | 深圳中兴网信科技有限公司 | Remote monitoring control system and terminal |
| CN111698295A (en) * | 2020-05-26 | 2020-09-22 | 深信服科技股份有限公司 | Communication method, device, equipment and computer storage medium |
| CN111698295B (en) * | 2020-05-26 | 2023-05-12 | 深信服科技股份有限公司 | Communication method, device, equipment and computer storage medium |
| CN112333141A (en) * | 2020-09-06 | 2021-02-05 | 于奎 | Method, device and system for providing Internet Web application service based on remote application |
| CN112333141B (en) * | 2020-09-06 | 2023-04-18 | 于奎 | Method, device and system for providing Internet Web application service based on remote application |
| CN113010250A (en) * | 2021-03-17 | 2021-06-22 | 杭州和利时自动化有限公司 | Remote assistance method and related device |
| CN114615248A (en) * | 2022-02-25 | 2022-06-10 | 大唐软件技术股份有限公司 | Remote operation control method and device, electronic equipment and storage medium |
| CN115174166A (en) * | 2022-06-22 | 2022-10-11 | 杭州晶彩数字科技有限公司 | Home working method, system and storage medium |
| CN115412548A (en) * | 2022-10-31 | 2022-11-29 | 中孚信息股份有限公司 | Method and system for supporting web to access various remote desktop protocols |
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Effective date of registration: 20201029 Address after: 16b, Benyuan building, 6015 Shennan Avenue, Tian'an community, Shatou street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Xingyun blooming Technology Co., Ltd Address before: 16 building, 518040 yuan tower, Shennan Road, 6015, Shenzhen, Guangdong, Futian District Patentee before: SHENZHEN SKYBILITY SOFTWARE Co.,Ltd. |