CN102035882B - FTP secondary logon system and method for implementing file transfer and process monitoring - Google Patents
FTP secondary logon system and method for implementing file transfer and process monitoring Download PDFInfo
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- CN102035882B CN102035882B CN 201010563965 CN201010563965A CN102035882B CN 102035882 B CN102035882 B CN 102035882B CN 201010563965 CN201010563965 CN 201010563965 CN 201010563965 A CN201010563965 A CN 201010563965A CN 102035882 B CN102035882 B CN 102035882B
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- 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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
Abstract
The invention relates to a file transfer protocol (FTP) secondary logon system. The system comprises a file buffer module, a client-oriented module, a server-oriented module, a command resolving module, a catalog mapping module and a monitoring and tracking database module. A method for transferring a file and monitoring a process by the FTP secondary logon system comprises the following steps of: establishing a control channel between a client and the FTP secondary logon system; establishing a data channel between the client and the FTP secondary logon system and performing data transmission; transferring a list of server farms to the client by the FTP secondary logon system; establishing a control channel between the FTP secondary logon system and a target server; analyzing whether a request is the request for file transfer or not by the client-oriented module; and performing anti-resolution on the request initiated by the client on the command resolving module and monitoring and tracking. The FTP secondary logon system can transfer the file, track and monitor the whole process of the file transfer, and is easy to operate.
Description
Technical field
The invention belongs to the File Transfer Protocol technical field, specifically relate to the method for a kind of FTP secondary login system and realization file transfer and process monitoring.
Background technology
File transfer protocol (FTP) (File Transfer Protocol, FTP) FTP is that it belongs to the application layer of network protocol suite for the cover standard agreement in the enterprising style of writing part transmission of network.The Main Function of FTP allows the user connect a remote computer (moving the ftp server program on these computers) exactly, watch which file is arranged on the remote computer, then file is downloaded to local computer from remote computer, perhaps the File Upload on the local computer to remote computer.FTP is when transmission over networks, what adopt is the pattern that control channel is separated with data channel, and control channel is connected corresponding different TCP and is connected with data channel, TCP corresponding to data channel is connected to when needing the transmission of data and sets up, and the complete rear connection of transfer of data disconnects.FTP can realize following target: share (computer program or the data) that 1) promote file; 2) encourage indirectly or the use remote computer of implicit expression; 3) shield the details of various document storage systems in the different main frames to the user; 4) reliable and efficient the transmission of data.Must at first login when using FTP, after distance host obtains corresponding authority, can download or upload file.That is to say to want which platform computer to transmit file with, just must have the proper authorization of which platform computer, in other words, unless user ID and password are arranged, otherwise just can't transmit file.Certainly also have a kind of mechanism of anonymous FTP, the user can be connected to remote computer by it, and from download file wherein, and need not to become its registered user.The system manager has set up a special user ID, anonymous by name, and anyone can use this user ID anywhere.Even now is very easy to the server maintenance personnel, can allow the attendant needn't remember a lot of username and passwords, but like this safety of server has been caused potential threat, because the file resource on the server can be accessed and revise to whoso.
In the prior art, FTP directly carries out between client and server, lacks the secondary login system, realizes that file transfer is easy to, but is difficult to the implementation procedure monitoring.
Summary of the invention
The present invention solves the existing technical problem of prior art, and the method for a kind of FTP secondary login system and realization file transfer and process monitoring is provided.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of FTP secondary login system, comprise the file buffering module, curstomer-oriented end module, service-oriented device module, the command analysis module, catalogue mapping block and monitoring tracking data library module, wherein set up the Two-way File data flow between file buffering module and the curstomer-oriented end module, set up the Two-way File data flow between file buffering module and the service-oriented device module, curstomer-oriented end module is initiated the FTP command request to the command analysis module, the command analysis module is initiated the FTP command request to service-oriented device module, the command analysis module is initiated the bibliographic structure request to the catalogue mapping block, service-oriented device module sends the bibliographic structure synchronous data flow to the catalogue mapping block, the catalogue mapping block sends the bibliographic structure data flow to curstomer-oriented end module, and the command analysis module parses goes out concrete FTP operational order and track database is monitored in this instruction typing.
Adopt FTP secondary login system to realize the method for file transfer and process monitoring, may further comprise the steps:
⑴ client is opened at first at random a port N greater than 1024 and is set up TCP with No. 21 ports of FTP secondary login system and be connected, and carry out the authentication of the user name and password, authenticate between complete rear client and the FTP secondary login system and set up control channel, and this control channel all is to keep connecting in the process of whole FTP access;
⑵ in the situation that use the Passive Mode communication, client sends the PASV order to FTP secondary login system, notice FTP secondary login system client is in Passive Mode, after FTP secondary login system is received the PASV order, open port P greater than 1024 monitors, then the FPDP with PORT P order notice client FTP secondary login system is P, client receives that the rear N+1 port of opening client of PORT P order connects the port P of FTP secondary login system, between two ports, set up data channel and carry out transfer of data, perhaps
In the situation that use the aggressive mode communication, client is opened the backward secondary login system of N+1 port and is sent PORT N+1 order, the notice FTP secondary login system client pattern that has the initiative, after FTP secondary login system is received PORT N+1 order, connect the N+1 port of client by a port of FTP secondary login system, between two ports, set up data channel and carry out transfer of data;
⑶ FTP secondary login system is after setting up with the data channel of client, at first transmit the tabulation of server zone, namely all join the server list in the FTP secondary login system, FTP secondary login system judges that according to user's account this user has the authority of access to the what sundry services does device when transmission server is tabulated, and only transmission user has those servers of authority access;
⑷ user's FTP secondary login system after the server that the selection of client the inside needs to access is initiated connection with regard to port N greater than 1024 of random unlatching to No. 21 ports of this server, namely between FTP secondary login system and server, set up control channel, FTP secondary login system sends the PASV order to server, announcement server FTP secondary login system is in Passive Mode, open port P greater than 1024 monitored after server was received the PASV order, then with PORT P order notice FTP secondary login system server FPDP be P, after FTP secondary login system is received PORT P order, open the port P of the N+1 port connection server of FTP secondary login system, FTP secondary login system obtains root file/Folder List from server at once after setting up data channel between two ports, and send to client by the data channel between FTP secondary login system and the client, meanwhile FTP secondary login system is set up an interim transmission data buffer for this FTP access in the file buffering module, and this buffering area just discharges after the FTP access finishes;
⑸ the curstomer-oriented end module of FTP secondary login system receives after the request of client, whether at first analyze this request to the request of file transfer: if it is it is given to the file buffering module and processes, process if not then giving the command analysis module;
⑹ can monitor tracking to user's file operation to anti-parsing of request that client is initiated on the command analysis module of FTP secondary login system.
As preferably, among the described step ⑸, when file of user selection is downloaded, after FTP secondary login system receives the instruction of download file, at first whether interim transmission data buffer locating file exists in the file buffering module, if exist then directly from buffering area file data be transferred to client, otherwise then by FTP secondary login system the instruction of download file is sent to server, server can be transferred to FTP secondary login system with file data by data channel after receiving download instruction, FTP secondary login system at first is buffered in file data in the buffering area after receiving file data, and then the data channel by FTP secondary login system and client is transferred to client with the file data burst;
When file of user selection is uploaded, after FTP secondary login system receives the instruction of upload file, this instruction is sent to server and receive the next file data of client upload to buffering area, then by the data channel between FTP secondary login system and the server file data burst is transferred to server.
As preferably, among the described step ⑸, the command analysis module parses at first is entered into the monitoring track database with this instruction after going out concrete FTP operational order, and then to analyze this instruction be to the request of bibliographic structure or other FTP instruction request: process if then give the catalogue mapping block request to the request of bibliographic structure, if other FTP instruction request then directly transmits, final injunction by service-oriented device module finish to the server directory structure synchronously, file transfer or other task.
As preferably, among the described step ⑵, in the situation that use the aggressive mode communication, connect the N+1 port of client by 20 ports of FTP secondary login system.
The present invention has overcome many deficiencies that FTP directly brings in the prior art between client and server, increased FTP secondary login system, can realize the monitoring of file transfer and tracking control of full process, and operation is simple.
Description of drawings
Fig. 1 is a kind of theory structure schematic diagram of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: referring to Fig. 1, FTP secondary login system comprises the file buffering module among the present invention, curstomer-oriented end module, service-oriented device module, the command analysis module, catalogue mapping block and monitoring tracking data library module, wherein set up the Two-way File data flow between file buffering module and the curstomer-oriented end module, set up the Two-way File data flow between file buffering module and the service-oriented device module, curstomer-oriented end module is initiated the FTP command request to the command analysis module, the command analysis module is initiated the FTP command request to service-oriented device module, the command analysis module is initiated the bibliographic structure request to the catalogue mapping block, service-oriented device module sends the bibliographic structure synchronous data flow to the catalogue mapping block, the catalogue mapping block sends the bibliographic structure data flow to curstomer-oriented end module, and the command analysis module parses goes out concrete FTP operational order and track database is monitored in this instruction typing.
Adopt FTP secondary login system to realize the method for file transfer and process monitoring among the present invention, may further comprise the steps:
⑴ client is opened at first at random a port N greater than 1024 and is set up TCP with No. 21 ports of FTP secondary login system and be connected, and carry out the authentication of the user name and password, authenticate between complete rear client and the FTP secondary login system and set up control channel, and this control channel all is to keep connecting in the process of whole FTP access;
⑵ in the situation that use the Passive Mode communication, client sends the PASV order to FTP secondary login system, notice FTP secondary login system client is in Passive Mode, after FTP secondary login system is received the PASV order, open port P greater than 1024 monitors, then the FPDP with PORT P order notice client FTP secondary login system is P, client receives that the rear N+1 port of opening client of PORT P order connects the port P of FTP secondary login system, between two ports, set up data channel and carry out transfer of data, perhaps
In the situation that use the aggressive mode communication, client is opened the backward secondary login system of N+1 port and is sent PORT N+1 order, the notice FTP secondary login system client pattern that has the initiative, after FTP secondary login system is received PORT N+1 order, connect the N+1 port of client by No. 20 ports of FTP secondary login system, between two ports, set up data channel and carry out transfer of data;
⑶ FTP secondary login system is after setting up with the data channel of client, at first transmit the tabulation of server zone, namely all join the server list in the FTP secondary login system, FTP secondary login system judges that according to user's account this user has the authority of access to the what sundry services does device when transmission server is tabulated, and only transmission user has those servers of authority access;
⑷ user's FTP secondary login system after the server that the selection of client the inside needs to access is initiated connection with regard to port N greater than 1024 of random unlatching to No. 21 ports of this server, namely between FTP secondary login system and server, set up control channel, FTP secondary login system sends the PASV order to server, announcement server FTP secondary login system is in Passive Mode, open port P greater than 1024 monitored after server was received the PASV order, then with PORT P order notice FTP secondary login system server FPDP be P, after FTP secondary login system is received PORT P order, open the port P of the N+1 port connection server of FTP secondary login system, FTP secondary login system obtains root file/Folder List from server at once after setting up data channel between two ports, and send to client by the data channel between FTP secondary login system and the client, meanwhile FTP secondary login system is set up an interim transmission data buffer for this FTP access in the file buffering module, and this buffering area just discharges after the FTP access finishes;
⑸ the curstomer-oriented end module of FTP secondary login system receives after the request of client, whether at first analyze this request to the request of file transfer: if it is it is given to the file buffering module and processes, process if not then giving the command analysis module;
⑹ can monitor tracking to user's file operation to anti-parsing of request that client is initiated on the command analysis module of FTP secondary login system.
Particularly, among the described step ⑸, when file of user selection is downloaded, after FTP secondary login system receives the instruction of download file, at first whether interim transmission data buffer locating file exists in the file buffering module, if exist then directly from buffering area file data be transferred to client, otherwise then by FTP secondary login system the instruction of download file is sent to server, server can be transferred to FTP secondary login system with file data by data channel after receiving download instruction, FTP secondary login system at first is buffered in file data in the buffering area after receiving file data, and then the data channel by FTP secondary login system and client is transferred to client with the file data burst; When file of user selection is uploaded, after FTP secondary login system receives the instruction of upload file, this instruction is sent to server and receive the next file data of client upload to buffering area, then by the data channel between FTP secondary login system and the server file data burst is transferred to server.
Particularly, among the described step ⑸, the command analysis module parses at first is entered into the monitoring track database with this instruction after going out concrete FTP operational order, and then to analyze this instruction be to the request of bibliographic structure or other FTP instruction request: process if then give the catalogue mapping block request to the request of bibliographic structure, if other FTP instruction request then directly transmits, final injunction by service-oriented device module finish to the server directory structure synchronously, file transfer or other task.
At last, should be pointed out that above embodiment only is the more representational example of the present invention.Obviously, technical scheme of the present invention is not limited to above-described embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (5)
1. FTP secondary login system, it is characterized in that described system comprises the file buffering module, curstomer-oriented end module, service-oriented device module, the command analysis module, catalogue mapping block and monitoring tracking data library module, wherein set up the Two-way File data flow between file buffering module and the curstomer-oriented end module, set up the Two-way File data flow between file buffering module and the service-oriented device module, curstomer-oriented end module is initiated the FTP command request to the command analysis module, the command analysis module is initiated the FTP command request to service-oriented device module, the command analysis module is initiated the bibliographic structure request to the catalogue mapping block, service-oriented device module sends the bibliographic structure synchronous data flow to the catalogue mapping block, the catalogue mapping block sends the bibliographic structure data flow to curstomer-oriented end module, and the command analysis module parses goes out concrete FTP operational order and track database is monitored in this instruction typing.
2. described FTP secondary login system is realized it is characterized in that the method for file transfer and process monitoring said method comprising the steps of according to claim 1:
⑴ client is opened at first at random a port N greater than 1024 and is set up TCP with No. 21 ports of FTP secondary login system and be connected, and carry out the authentication of the user name and password, authenticate between complete rear client and the FTP secondary login system and set up control channel, and this control channel all is to keep connecting in the process of whole FTP access;
⑵ in the situation that use the Passive Mode communication, client sends the PASV order to FTP secondary login system, notice FTP secondary login system client is in Passive Mode, after FTP secondary login system is received the PASV order, open port P greater than 1024 monitors, then the FPDP with PORT P order notice client FTP secondary login system is P, client receives that the rear N+1 port of opening client of PORT P order connects the port P of FTP secondary login system, between two ports, set up data channel and carry out transfer of data, perhaps
In the situation that use the aggressive mode communication, client is opened the backward secondary login system of N+1 port and is sent PORT N+1 order, the notice FTP secondary login system client pattern that has the initiative, after FTP secondary login system is received PORT N+1 order, connect the N+1 port of client by a port of FTP secondary login system, between two ports, set up data channel and carry out transfer of data;
⑶ FTP secondary login system is after setting up with the data channel of client, at first transmit the tabulation of server zone, namely all join the server list in the FTP secondary login system, FTP secondary login system judges that according to user's account this user has the authority of access to the what sundry services does device when transmission server is tabulated, and only transmission user has the server list of those servers of authority access;
⑷ user's FTP secondary login system after the server that the selection of client the inside needs to access is initiated connection with regard to port N greater than 1024 of random unlatching to No. 21 ports of this server, namely between FTP secondary login system and server, set up control channel, FTP secondary login system sends the PASV order to server, announcement server FTP secondary login system is in Passive Mode, open port P greater than 1024 monitored after server was received the PASV order, then with PORT P order notice FTP secondary login system server FPDP be P, after FTP secondary login system is received PORT P order, open the port P of the N+1 port connection server of FTP secondary login system, FTP secondary login system obtains root file/Folder List from server at once after setting up data channel between two ports, and send to client by the data channel between FTP secondary login system and the client, meanwhile FTP secondary login system is set up an interim transmission data buffer for this FTP access in the file buffering module, and this buffering area just discharges after the FTP access finishes;
⑸ the curstomer-oriented end module of FTP secondary login system receives after the request of client, whether at first analyze this request to the request of file transfer: if it is it is given to the file buffering module and processes, process if not then giving the command analysis module;
⑹ can monitor tracking to user's file operation to anti-parsing of request that client is initiated on the command analysis module of FTP secondary login system.
3. the method for realization file transfer according to claim 2 and process monitoring, it is characterized in that among the described step ⑸, when file of user selection is downloaded, after FTP secondary login system receives the instruction of download file, at first whether interim transmission data buffer locating file exists in the file buffering module, if exist then directly from buffering area file data be transferred to client, otherwise then by FTP secondary login system the instruction of download file is sent to server, server can be transferred to FTP secondary login system with file data by data channel after receiving download instruction, FTP secondary login system at first is buffered in file data in the buffering area after receiving file data, and then the data channel by FTP secondary login system and client is transferred to client with the file data burst;
When file of user selection is uploaded, after FTP secondary login system receives the instruction of upload file, this instruction is sent to server and receive the next file data of client upload to buffering area, then by the data channel between FTP secondary login system and the server file data burst is transferred to server.
4. the method for realization file transfer according to claim 2 and process monitoring, it is characterized in that among the described step ⑸, the command analysis module parses at first is entered into the monitoring track database with this instruction after going out concrete FTP operational order, and then to analyze this instruction be to the request of bibliographic structure or other FTP instruction request: process if then give the catalogue mapping block request to the request of bibliographic structure, if other FTP instruction request is then directly transmitted, final injunction is finished to the server directory structure synchronous by service-oriented device module, file transfer or other task.
5. the method for realization file transfer according to claim 2 and process monitoring is characterized in that among the described step ⑵, in the situation that use the aggressive mode communication, connects the N+1 port of client by 20 ports of FTP secondary login system.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102420858B (en) * | 2011-11-22 | 2014-12-24 | 杭州华三通信技术有限公司 | FTP (File Transfer Protocol) mode configuration method, data transmission method and device |
| CN105564464A (en) * | 2016-02-02 | 2016-05-11 | 北京飞鸿云际科技有限公司 | Train approach pre-warning system based on personnel positions and pre-warning method thereof |
| CN107147661A (en) * | 2017-06-01 | 2017-09-08 | 郑州云海信息技术有限公司 | One kind strengthens File Transfer Protocol security system and method based on dynamic password |
| CN109246221A (en) * | 2018-09-21 | 2019-01-18 | 上海勋立信息科技有限公司 | A kind of data sectional high-speed uploading method, client and the server of multifile |
| CN109274769A (en) * | 2018-11-02 | 2019-01-25 | 深圳竹云科技有限公司 | A kind of method of File Transfer Protocol re-authentication |
| CN109120651B (en) * | 2018-11-07 | 2021-08-24 | 成都华栖云科技有限公司 | Implementation method and system for improving smoothness of teaching network file transmission |
| CN110545329B (en) * | 2019-09-27 | 2022-04-29 | 杭州海潮信息科技有限公司 | Method for improving FTP file transmission speed |
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