CN101005421A - Telnet control method for realizing multiple network system by single network port - Google Patents
Telnet control method for realizing multiple network system by single network port Download PDFInfo
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- CN101005421A CN101005421A CNA200610144225XA CN200610144225A CN101005421A CN 101005421 A CN101005421 A CN 101005421A CN A200610144225X A CNA200610144225X A CN A200610144225XA CN 200610144225 A CN200610144225 A CN 200610144225A CN 101005421 A CN101005421 A CN 101005421A
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Abstract
The method comprises: adding an assistant server system between the client side of Telnet and all kind of Telnet server, which is for used in completing the interaction of each Telnet instruction between the system and client side, and uses a standard single network port 23 of Telnet; it completes the network address management for multi internal Telnet services. The invention also implements the Telnet control operation for non-exposure device whose network address is not known by users.
Description
Technical field
The present invention relates to communication technical field, relate in particular to and a kind ofly realize multiple-network system Telnet control method by the single network port.
Background technology
The Telnet agreement is the standard agreement of Internet remote login service, is a kind of service of typical model of client.Telnet is to use one of the simplest Internet instrument, is still used widely in the communications industry field in modern times.
The Telnet agreement provides the ability of finishing distance host work on local computer for the user.By using the Telnet agreement, Internet user can get in touch with many information centres library, the whole world and other information resources.Traditionally, the computer that is connected, and be referred to as server (Servers) for all users on the network provide the computer of service, and the machine that oneself uses is referred to as client computer (client).In case after being communicated with, client computer can be enjoyed all services that server provides.
Because Telnet is a standard I nternet agreement, adopt standard network interface 23, be default telnet port so the manufacturer that respectively communicates by letter at present also adopts this port usually when the product of design oneself, to adapt to user's use habit (see figure 1).
But, in real network, can be at the single a plurality of network communication products of network equipment deploy (as communication system for some distributed design, often adopting under the low capacity situation the situation of a plurality of distribution terminal system deployment on same server) environment (as shown in Figure 2), and the product of these communications is when realizing the Telnet technology, all adopt standard 23 network interfaces again, must occur having only the system of a first to file binding can normally use the phenomenon of Telnet function; If adopt self-defined port, really can't the positioning equipment concrete port that adopts of client uses unfriendly.
The environment that in real network, can occur in addition, many networks, across a network usually.The client often takes only to expose the method for a small amount of or single communication network device in order to prevent the influence of reasons such as internet worm, both can realize the control to the network equipment, also reduces the infringement of network to internal network.And in this case, in order to reach visit and control to the communication network device of non-exposure, equipment manufacturers often adopt multistage access modes (as shown in Figure 3) at present, the client passes through telnet client on Internet, have access to network A and be exposed to equipment X on the Internet, and by self-defining telnet command, control appliance X sends telnet command (Client command) to equipment Y, sign in on the equipment Y, thereby realize Telnet control to equipment Y, the client is carrying out Telnet control therebetween to equipment Y, equipment X serves as the effect of a collection connected device, the data message of transparent forwarding contact, but the prerequisite of this function also is the network address that the client must know user Y in advance.
By the present invention, can solve the above problems simultaneously:
1, by the telnet port of standard, moves a plurality of network equipments on the control of the telnet operation simultaneously single system;
2, by the telnet operation control of Telnet technology realization to the network equipment of the non-exposure of client's unknown network address;
Summary of the invention
Purpose of the present invention provides a kind of and realizes multiple-network system Telnet control method by single network port, thereby finish a plurality of equipment on the single system and realization is controlled the telnet operation of the non-exposure network equipment of other client's unknown address.
Purpose of the present invention realizes in the following manner:
The invention provides and a kind ofly realize multiple-network system Telnet control method by the single network port, it is characterized in that, this method is to add the secondary server system between client's telnet client and former various Telnet server, this system externally finishes with client's various telnet commands mutual, and the single network port 23 of the Telnet of the standard of employing; Internally finish network address controller, manage comprising multiport to a plurality of Telnet services in inside.
Described interpolation secondary server system is to the network address controller of a plurality of Telnet services in inside the time, can finish each network system to the facility registration of Telnet secondary server and comprise the Telnet network address information of terminal registration, nullify function.
Described Telnet secondary server system preserve the multiple-network system that sets up on being equipped with or other unknown network equipment after startup to Telnet secondary server facility registration, inform the information list of the Telnet network address of self.
Described after the client arrives Telnet secondary server system by the standard telnet port login, by each current network system list information of specified command demonstration, the client can selectively sign in to the network system of appointment, finishes the Telnet control to it; Ought withdraw from simultaneously specified network system operation control, can also select telnet operation control other tabulation members.
The invention has the beneficial effects as follows that the present invention has improved the friendly that the user uses, the user only signs in to given server (Telnet secondary server system) by standard interface, just can browse, operate all related communication network systems; Simultaneously, the present invention has realized setting up being equipped with and has gone up the telnet operation control of supporting a plurality of network systems by add the secondary server system between client's telnet client and former various Telnet server; Also realized simultaneously the Telnet control operation of non-exposure device (this method is applicable to the exposure network system of unknown address simultaneously), the operability and the fail safe that have improved network greatly to user's unknown network address.
Description of drawings
Fig. 1 is basic Telnet control operation network topology.
Fig. 2 is the schematic diagram that single tables of equipment Telnet network port can't be realized multiple-network system.
The schematic diagram of the multistage visit of Fig. 3 foot complex network environment Telnet.
Fig. 4 is that the concrete single Telnet network port of the present invention of implementing to provide of the present invention is realized the schematic diagram to multiple-network system Telnet control.
Fig. 5 is that the concrete network system of implementing to provide of the present invention is to the registration of Telnet secondary server, cancellation management flow chart.
Fig. 6 is that the concrete secondary server of implementing to provide of the present invention is at the telnet operation control flow chart that receives after the client logins.
Embodiment
The present invention is mainly by adding the secondary server system between client's telnet client and former various Telnet server (as server M, server N, server Y), this system externally finishes with client's various telnet commands mutual, and the single network port 23 of the Telnet of the standard of employing; Internally finish network address controller (comprising the multiport management) (referring to Fig. 4) to a plurality of Telnet services in inside.And this invention also can solve and set up the telnet operation control of be equipped with to go up supporting a plurality of network systems, can visit a plurality of network systems such as system A on the secondary server and the B of system by the secondary server system simultaneously as client among Fig. 4; Non-exposure device (the server N among Fig. 4, server Y have also been realized simultaneously to user's unknown network address, these two equipment can only be conducted interviews by the subnet inside terminals) the Telnet control operation, under the situation about externally can't visit as the server N equipment among Fig. 4, carry out " bridge joint " via secondary server, and realize the control of client to it thereby the operability and the fail safe that have improved network greatly.
The present invention can realize by the secondary server system that adds as shown in Figure 4 between client's telnet client and former various Telnet server in implementation process.Because Telnet secondary server system has evaded the real network system and has connected with the point-to-point port between the client, no matter be to support a plurality of network systems (as the A of system, system B) situation for setting up to be equipped with to go up, perhaps realize Telnet control operation to the non-exposure device of user's unknown network address, its basic principle is all identical with performing step, hereinafter unified being described.
Finish the network system address administration and the client's telnet access operation appointing system two parts function that the function of the realization of multiple-network system Telnet control are mainly comprised the Telnet secondary server by single network port realization.
5 processes that specify the network system address administration of Telnet secondary server in conjunction with the accompanying drawings.
Realize multiple-network system Telnet controlled function in order to cooperate the Telnet secondary server to finish by single network port, each network system provides the termination function of Telnet network address controller, and this function is finished to the facility registration of Telnet secondary server (the Telnet network address information that comprises terminal), nullified function.Accompanying drawing 5 is the flow process of network system to the registration of Telnet secondary server, cancellation.
After starting, step 51, network system obtain native system IP and telnet port (for setting up the situation of multiple-network system fully, network system can obtain the idle network port by mode such as reelecting, the network port can be non-23), send login request message to the Telnet of appointment secondary server (network address need system of secondary server is pre-configured) then;
Carry the title and the Telnet network address (IP address and the port) information of network system in this message.
After step 52, described Telnet secondary server receive described registration message, preserve the title and the Telnet network address information of network system, upgrade the effective system tabulation, and respond the network device registration success; (network equipment sends overtime grade of registration message and handles and can design according to concrete application requirements, is not this patent content).
After step 53, network system receive that success is receiveed the response, send regularly registration message, to guarantee the validity of network system tabulation in the Telnet secondary server.
Step 54, Telnet secondary server are responded regularly and are receiveed the response, with the validity of the Telnet of informing network system secondary server after receiving network system timing registration message.
Step 55, network system need initiatively to send logout message to secondary server when system finishing.
After step 56, Telnet secondary server are received the network system logout message, delete this user profile, upgrade the effective system tabulation.
Tell about emphatically below the present invention in practice the client how to finish the network system of appointment carried out telnet operation and control procedure (specifying in conjunction with Fig. 6):
Step 61, client sign in to the Telnet secondary server by the telnet client;
Step 62, secondary server receive log messages, carry out authentication.Authentication is passed through, and the network of setting up with the client connects, and responds login success message, shows current active block system list (list content can comprise network system address and noun etc. according to actual needs) information to the user simultaneously;
Step 63, client pass through specified command (as telnet ... ..), application signs in to the Y of system;
Step 64, secondary server receive message, its telnet log messages that is revised as standard are sent to the network system (network address of this system obtains by its log-on message) of appointment;
Step 65, client's logging in network Y of system success, secondary server is finished the message transparent transmission function between client and the network system Y;
Step 66, client send the network system Y message of logging off;
Step 67, secondary server receive message, its telnet that is revised as standard message of logging off is sent to the network system of appointment, and close with the connection between the network system Y;
Step 68, secondary server show current active block system list information to the client again, with next step selection of expects users, if the user selects, then are transferred to step 63;
Step 69, client send to secondary server and withdraw from all connection messages;
Step 6A, secondary server receive message, close with the network between the client to connect, and process finishes.
In sum, the present invention has improved the friendly that the user uses, and the user only signs in to given server (Telnet secondary server system) by standard interface, just can browse, operate all related communication network systems; Simultaneously, the present invention has realized setting up being equipped with and has gone up the telnet operation control of supporting a plurality of network systems by add the secondary server system between client's telnet client and former various Telnet server; Also realized simultaneously the Telnet control operation of non-exposure device (this method is applicable to the exposure network system of unknown address simultaneously), the action row and the fail safe that have improved network greatly to user's unknown network address.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (6)
1. realize multiple-network system Telnet control method by the single network port for one kind, it is characterized in that, this method is to add the secondary server system between the client of client Telnet and former various Telnet server, this system externally finishes with client's various telnet commands mutual, and the single network port 23 of the Telnet of the standard of employing, internally finish network address controller, manage comprising multiport to a plurality of Telnet services in inside.
2. described by the Telnet control method of single network port realization to multiple-network system according to claim 1, it is characterized in that, described interpolation secondary server system is to the network address controller of a plurality of Telnet services in inside the time, can finish each network system to the facility registration of Telnet secondary server and comprise the Telnet network address information of terminal registration, nullify function.
3. described by the Telnet control method of single network port realization to multiple-network system according to claim 1, it is characterized in that, described Telnet secondary server system preserve the multiple-network system that sets up on being equipped with or other unknown network equipment after startup to Telnet secondary server facility registration, inform the information list of the Telnet network address of self.
4. described by the Telnet control method of single network port realization to multiple-network system according to claim 1, it is characterized in that, it is described after the client arrives Telnet secondary server system by the standard telnet port login, show each current network system list information by specified command, the client can selectively sign in to the network system of appointment, finishes the Telnet control to it; Ought withdraw from simultaneously specified network system operation control, can also select telnet operation control other tabulation members.
5. described by the Telnet control method of single network port realization to multiple-network system according to claim 2, it is characterized in that each network system to the flow process of the registration of Telnet secondary server, cancellation is:
Step 51, network system start the back and obtain native system IP and telnet port, send login request message to the Telnet of appointment secondary server then, carry the title of network system and the IP address and the port information of Telnet network in this message; It is pre-configured that wherein the network address of secondary server needs system; Native system IP and telnet port be for setting up the fully situation of multiple-network system, and network system can obtain the idle network port by mode such as reelecting, and the network port can be non-23;
After step 52, described Telnet secondary server receive described registration message, preserve the title and the Telnet network address information of network system, upgrade the effective system tabulation, and respond the network device registration success;
After step 53, network system receive that success is receiveed the response, send regularly registration message, to guarantee the validity of network system tabulation in the Telnet secondary server;
Step 54, Telnet secondary server are responded regularly and are receiveed the response, with the validity of the Telnet of informing network system secondary server after receiving network system timing registration message;
Step 55, network system need initiatively to send logout message to secondary server when system finishing;
After step 56, Telnet secondary server are received the network system logout message, delete this user profile, upgrade the effective system tabulation.
6. described by the Telnet control method of single network port realization to multiple-network system according to claim 4, it is characterized in that, described client, finishes the network system of appointment is carried out telnet operation and control procedure is after the Telnet secondary server system by the standard telnet port login:
Step 61, client sign in to the Telnet secondary server by the telnet client;
Step 62, secondary server receive log messages, carry out authentication, and authentication is passed through, foundation connects with client's network, respond login success message, show current active block system list information to the user simultaneously, its list content comprises network system address and title;
Step 63, client order by the telnet of appointment, and application signs in to the Y of system;
Step 64, secondary server receive message, and its telnet log messages that is revised as standard is sent to the network system of appointment, and the network address of this system obtains by its log-on message;
Step 65, client's logging in network Y of system success, secondary server is finished the message transparent transmission function between client and the network system Y;
Step 66, client send the network system Y message of logging off;
Step 67, secondary server receive message, its telnet that is revised as standard message of logging off is sent to the network system of appointment, and close with the connection between the network system Y;
Step 68, secondary server show current active block system list information to the client again, with next step selection of expects users, if the user selects, then are transferred to step 63;
Step 69, client send to secondary server and withdraw from all connection messages;
Step 6A, secondary server receive message, close with the network between the client to connect, and process finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610144225XA CN101005421A (en) | 2006-11-30 | 2006-11-30 | Telnet control method for realizing multiple network system by single network port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610144225XA CN101005421A (en) | 2006-11-30 | 2006-11-30 | Telnet control method for realizing multiple network system by single network port |
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| CN101005421A true CN101005421A (en) | 2007-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200610144225XA Pending CN101005421A (en) | 2006-11-30 | 2006-11-30 | Telnet control method for realizing multiple network system by single network port |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347960A (en) * | 2011-11-22 | 2012-02-08 | 烽火通信科技股份有限公司 | Method for realizing remote login by using network redirection |
| CN103139187A (en) * | 2011-12-02 | 2013-06-05 | 中兴通讯股份有限公司 | Method and device for interacting with telnet servers |
| CN114124483A (en) * | 2021-11-09 | 2022-03-01 | 浙江航芯科技有限公司 | Method, system and equipment for acquiring authority of router background super administrator |
-
2006
- 2006-11-30 CN CNA200610144225XA patent/CN101005421A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347960A (en) * | 2011-11-22 | 2012-02-08 | 烽火通信科技股份有限公司 | Method for realizing remote login by using network redirection |
| CN102347960B (en) * | 2011-11-22 | 2015-02-04 | 烽火通信科技股份有限公司 | Method for realizing remote login by using network redirection |
| CN103139187A (en) * | 2011-12-02 | 2013-06-05 | 中兴通讯股份有限公司 | Method and device for interacting with telnet servers |
| CN114124483A (en) * | 2021-11-09 | 2022-03-01 | 浙江航芯科技有限公司 | Method, system and equipment for acquiring authority of router background super administrator |
| CN114124483B (en) * | 2021-11-09 | 2024-04-30 | 浙江航芯科技有限公司 | Method, system and equipment for obtaining router background super manager authority |
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Open date: 20070725 |