CN204652413U - A kind of intelligent type computer network safety gateway - Google Patents
A kind of intelligent type computer network safety gateway Download PDFInfo
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- CN204652413U CN204652413U CN201520315001.5U CN201520315001U CN204652413U CN 204652413 U CN204652413 U CN 204652413U CN 201520315001 U CN201520315001 U CN 201520315001U CN 204652413 U CN204652413 U CN 204652413U
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Abstract
A kind of intelligent type computer network safety gateway, be made up of linux kernel and at least two network interface cards, its linux kernel is interconnected with each network interface card respectively, linux kernel and network interface card are installed in the enclosure, a side of linux kernel is positioned at housing exterior, the side that linux kernel is corresponding arranges joint, the sidepiece of shell arranges sliding tray, linux kernel both sides arrange portable plate, shell is stretched out by sliding tray in portable plate two ends, the shell of the sidepiece of sliding tray arranges clamp, between clamp and portable plate, spring leaf is set; Portable plate arranges network interface card, and network interface card can coordinate with linux kernel grafting, shell arranges coupling, arranges wiring between network interface card and coupling; Linux kernel is also interconnected by interface and ip packet filter module, flow-control module, L7 and P2P module, an internal task scheduler module is interconnected with linux kernel, ip packet filter module, flow-control module, L7 and P2P module respectively, and internal task scheduler module is also connected with user by an interactive interface module.
Description
Technical field
The utility model belongs to computer network field, specifically a kind of intelligent type computer network safety gateway.
Background technology
Current at home and abroad middle-size and small-size IP network construction and operation maintenance field, the requirement for network management control is more and more higher, at all not second to telecom operators.Middle and small scale IP network is generally the type of user such as government department, large-scale enterprises and institutions, medium and small operator and uses, not only to possess basic network operation management expectancy, also will possess the P2P application traffics such as effective control BT, the functions such as VPN dial-up access, advanced firewall are provided.Quantity is accessed from network size, network complexity and the network user, adopt general low and middle-grade the network switchs can meet simple networking requirement, but the senior functional requirement such as intelligent IP Route Selection and control, IP flow control, VPN dial-up access, fire compartment wall cannot be realized, and this exactly government department, large-scale enterprises and institutions etc. small-/medium-sized Intranet institute prerequisite; According to high end equipment, part simple function can be realized, but not comprehensive, because the equipment of manufacturer production generally only possesses a certain independent function, all only complete the simple functions such as route, Flow Control, VPN and network security as router, fluidic device or fire compartment wall.At present, linux kernel fixed installation in the enclosure, when needing repairing clean, needing shell to take apart completely, taking off linux kernel.After being dismounted for multiple times, easily damage is caused to shell link position, reduce useful life.
Utility model content
The utility model provides a kind of intelligent type computer network safety gateway, in order to solve defect of the prior art.
The utility model is achieved by the following technical programs:
A kind of intelligent type computer network safety gateway, be made up of linux kernel and at least two network interface cards, its linux kernel is interconnected with each network interface card respectively, linux kernel and network interface card are installed in the enclosure, a side of linux kernel is positioned at housing exterior, the side that linux kernel is corresponding arranges joint, the sidepiece of shell arranges sliding tray, linux kernel both sides arrange portable plate, shell is stretched out by sliding tray in portable plate two ends, the shell of the sidepiece of sliding tray arranges clamp, between clamp and portable plate, spring leaf is set; Portable plate arranges network interface card, and network interface card can coordinate with linux kernel grafting, shell arranges coupling, arranges wiring between network interface card and coupling; Linux kernel is also interconnected by interface and ip packet filter module, flow-control module, L7 and P2P module, an internal task scheduler module is interconnected with linux kernel, ip packet filter module, flow-control module, L7 and P2P module respectively, and internal task scheduler module is also connected with user by an interactive interface module.
A kind of intelligent type computer network safety gateway as above, described internal task scheduler module is made up of task analysis unit, generation mission thread model data unit, thread resources allocation units, thread pool, direction of task aim unit and thread execution inspection unit, wherein: task analysis unit is connected with the output of interactive interface module, task analysis unit is also interconnected by generation mission thread model data unit and thread resources allocation units; Thread resources allocation units send signal by direction of task aim unit respectively to described linux kernel, ip packet filter module, flow-control module, L7 and P2P module, and thread resources allocation units are also interconnected with a thread pool; The input of thread execution inspection unit receives the signal of described linux kernel, ip packet filter module, flow-control module, L7 and P2P module respectively, and the output of thread execution inspection unit sends signal respectively to thread resources allocation units and interactive interface module.
A kind of intelligent type computer network safety gateway as above, described interactive interface module is made up of Java Web Start unit, subscription client, TCP/IP unit, control command unit language translation unit, interface service process unit and database, wherein: Java Web Start unit is connected with described user, and by subscription client, TCP/IP unit, control command unit language translation unit and interface service process unit be interconnected; Interface service process unit and database are interconnected, and are interconnected with described task scheduling modules.
A kind of intelligent type computer network safety gateway as above, one end of described shell arranges blower fan, and the other end of shell offers several through hole.
A kind of intelligent type computer network safety gateway as above, what described linux kernel was positioned at housing exterior arranges arm-tie.
The utility model has the advantages that: the utility model keep in repair and clean time, hold portable plate and clamp, network interface card be separated with linux kernel, then linux kernel is extracted out by shell, now can carry out keeping in repair and cleaning.The utility model maintenance and when cleaning without the need to taking shell apart, avoid the damage that being dismounted for multiple times causes.Integration degree is high, and an equipment can realize the functions such as router, flow control, VPN dialup server, fire compartment wall and the NAT network address, and can practical function interlock.With low cost, networking is convenient, simple to operate, alternative expensive multiple stage private network device (as single devices such as dedicated router, flow-control equipment, vpn gateway, fire compartment walls).Stable performance is outstanding, can provide the policybased routing based on source address, destination address, source port, target port, especially innovatively provides the custom strategies routing function based on different time sections.Three-layer network can be provided to access and flow control function, more can support seven layer network application identification and flow controls, the particularly application such as QQ, MSN, online game, BT, electric donkey, a sudden peal of thunder, and link with policybased routing function, the outer net outlet that intelligent selection is different, and adjust application traffic strategy according to the time period.Standard P PTP Point to Point Tunnel Protocol vpn server can be provided, and only can form complete VPN VPN (virtual private network) with this equipment.The availability stable network firewall of energy and network address translation function, and link with policybased routing functional realiey, realize intelligent route control of export and Prevention-Security.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model; Fig. 2 is theory diagram of the present utility model; Fig. 3 is interactive interface module principle block diagram of the present utility model; Fig. 4 is internal task scheduler module theory diagram of the present utility model.
Reference numeral: 1 shell 2Linux kernel 3 network interface card 4 portable plate 5 spring leaf 6 clamp 7 coupling 8 wiring 9 through hole 10 arm-tie 11 blower fan 12 sliding tray 13 joint 14IP packet filtering module 15 flow-control module 16L7 and P2P module 17 task scheduling modules 18 interactive interface module 19 user.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of intelligent type computer network safety gateway, as shown in Figure 1, be made up of linux kernel 2 and at least two network interface cards 3, its linux kernel 2 is interconnected with each network interface card 3 respectively, linux kernel 2 and network interface card 3 are arranged in shell 1, linux kernel 2 is established in shell 1, a side of linux kernel 2 is positioned at shell 1 outside, the side of linux kernel 2 correspondence arranges joint 13, the sidepiece of shell 1 arranges sliding tray 12, linux kernel 2 both sides arrange portable plate 4, shell 1 is stretched out by sliding tray 12 in portable plate 4 two ends, the shell 1 of the sidepiece of sliding tray 12 arranges clamp 6, spring leaf 5 is set between clamp 6 and portable plate 4, portable plate 4 is arranged network interface card 3, network interface card 3 can coordinate with linux kernel 2 grafting, shell 1 is arranged coupling 7, arranges wiring 8 between network interface card 3 and coupling 7, linux kernel 2 is also interconnected by interface and ip packet filter module 14, flow-control module 15, L7 and P2P module 16, an internal task scheduler module 17 is interconnected with linux kernel 2, ip packet filter module 14, flow-control module 15, L7 and P2P module 16 respectively, and internal task scheduler module 17 is also connected with user by an interactive interface module 18.The utility model keep in repair and clean time, hold portable plate 4 and clamp 6, network interface card 3 be separated with linux kernel 2, then linux kernel 2 is extracted out by shell 1, now can carry out keeping in repair and cleaning.The utility model maintenance and when cleaning without the need to taking shell 1 apart, avoid the damage that being dismounted for multiple times causes.After being installed by linux kernel 2, unclamp portable plate 4 network interface card 3 under the effect of spring leaf 5 and reset, the utility model network interface card 3 coordinates more stable with linux kernel 2.
Specifically, in order to increase thermal diffusivity of the present utility model, one end of described shell 1 arranges blower fan 11, and the other end of shell 1 offers several through hole 9.
Concrete, pulled out by linux kernel 2 in order to convenient, what described linux kernel 2 was positioned at shell 1 outside arranges arm-tie 10.
The utility model is deployed in networks converge and core node, as core router, realizes the route forwarding function of general three-layer network switch or router.The utility model possesses multiple network interface, can carry out interconnected with multiple heterogeneous networks simultaneously, complete routing forwarding.By modes such as Telnet, SSH, Java Web Start, user can manage it by long-range connection the utility model.Interactive interface software of the present utility model, user carries out the operation such as inquiry, formulation, amendment, deletion of routing policy.Internal task dispatching management software will carry out scheduled for executing by user instruction to operating system nucleus ICP/IP protocol stack route instruction.Router feature provided by the utility model possesses the function such as route test, general strategy route of general common three-layer network switch or router, and the policybased routing additionally provided based on source port, destination interface, provide the dynamic routing strategy based on the time period simultaneously.
Be deployed in by the utility model on network and need to carry out in the backbone links of flow control, equipment takes series system, makes backbone network data on flows through the utility model.The interactive interface program provided by the utility model, can carry out limit control to the flow flowing through this equipment, main restriction field is bandwidth, and can setup times section, carries out different flow control policy with the different time periods.User can enable L7 network application identification and P2P application identification according to actual conditions, applies to common QQ, MSN, online game, BT, electric donkey, a sudden peal of thunder etc. conduct interviews timeliness restriction and bandwidth restriction.
The utility model is positioned over interior business server and network critical point node, PPTP VPN service function is enabled by interactive interface program, PPTP VPN Service will be enabled serve, user arranges this service parameter by interface routine, accesses quantity etc. as allowed access IP address range, validated user account number and password, effective time limit, maximum user.After interior business server and internal network critical point node deployment the utility model, VPN access can be realized in network-wide basis, user can enter VPN by standard P PTP VPN dialing, eliminates the equipment cost of the comparatively loaded down with trivial details multiple spot vpn gateway deployment of L2TP and SSL VPN and costliness.This dial mode support by mainstream operation systems such as Windows 2000/XP/2003/Vista, Linux, Solaris, Mac OS X.
The utility model is deployed in network exit, by opening network firewall functionality, can carry out IP intrusion detection and packet filtering to internal network, protection internal server and terminal.Under special circumstances, also can enable two-way bag and detect, prevent internal information from leaking or causing attack to external network.For the present situation that most small-/medium-sized Intranet public network address resource is extremely limited, the utility model NAT network address translation function is as a part for firewall functionality, effectively can solve the not enough problem of public network address, by interactive interface program, provide the operator scheme that a whole set of is fool, facilitate user to arrange.
The utility model is deployed in network exit, can carry out interconnected from multiple different outer net (the Internet) link, form so-called multiple exit.Device interior employing detects in real time the state of polylith interface network interface card and obtains multiple exit Link State, and can adjust outlet route in time, guarantees that internal network can keep network unimpeded with outer net (the Internet) all the time.Interface testing mechanism can carry out reasonable adjusting by user, to adapt to different network environments, improves and detects accuracy.
In sum, core of the present utility model is exploitation internal task dispatcher software and interactive interface program, is used for operating system in control appliance system and its relevant kernel module and hardware coordination to work in order.Hardware aspect, adopt the server of x86 or PowerPC processor architecture, some network adapter (network interface card) are configured according to network size and interconnected requirement, 100,000,000 electricity mouthful RJ45 network interface cards can be adopted, also can adopt gigabit electricity mouth RJ45 network interface card, or configure gigabit multimode fiber interface network interface card as required.Software aspect, operating system is Linux, and kernel version is 2.6, and inserts the ip packet filter device module and L7 and P2P application identification code revised.By the instruction between independently developed interactive interface program completing user and system and feedback information mutual, internal task dispatcher software processes the information obtained alternately, builds and maintain internal routing policy, task scheduling, flow control policy, VPN, firewall rule and pooled address translation table based on the time period.Interlock (inter-process data communication) between various functions is responsible for coordinating and Resources allocation by internal task dispatcher software.
The utility model can realize following functions demand:
(1) can be used as middle and small scale IP network router gateway, possess multiple interconnecting interface, IP network can be made to realize and private network, metropolitan area network, the interconnecting of the Internet, serve as router feature; Can realize the policybased routing based on source address and destination address, source port and destination interface, initiating can according to time period control strategy Route Selection; Outlet Route Selection thus realize multiple exit self-healing can be completed according to the break-make blocked state of multiple interconnecting interface, remain interconnecting of internal network and outer net.
(2) the three-layer network flow control function based on TCP/UDP can be provided, provide Trafic Control flow control based on application port (TCP/UDP port); More can provide flow control function based on the application of L7 seven layer network and exclusive IP P2P application characteristic, provide bandwidth limitation management to point to point network application such as the BT of a large amount of consume network bandwidth, electric donkey, sudden peals of thunder; Access and flow restriction can be provided to various classical network application such as QQ, MSN, online game etc.; Pioneering can conducting interviews according to the time period controls and traffic management, and outer net outlet that can be different according to application identification intelligent selection, realize shunting.
(3) the VPN dialup server function based on standard P PTP (Point to Point Tunnel Protocol) can be provided, realize VPN networking very easily, ensure the stable operation of VPN (virtual private network), be suitable for all kinds of maintaining secrecy and Sensitive Domain information network field of data exchange, and network configuration is very simple, with low cost.
(4) IP firewall functionality can be provided, realize intrusion detection, intrusion defense and two-way ip packet filter; Availability can outstanding NAT (network address translation) function, and based on PAT (port address conversion) function of port, support port mapping; To have combined with policybased routing function dynamic routing and the address transition of can practising links, and realizes multiple exit load balancing and redundancy.
(5) the integrated of above-mentioned functions and interlock can be realized, an equipment completes router, flow control, VPN dial-up service and fire compartment wall and NAT address translation feature.
The utility model formed based on (SuSE) Linux OS, special-purpose software and the server hardware based on x86 or PowerPC framework.Above-mentioned functions all adopts software simulating, and adopts x86 or PowerPC processor to carry out the requirement of operation process practical function.X86 processor belongs to RISC instruction system, processes under being applicable to the little environment of network traffics to network packet; If network traffics are comparatively large, network packet processing load is heavy, can adopt the PowerPC processor based on cisc instruction system, and performance will have and improve by a larger margin.
The utility model adds IP bag processing filters module for linux kernel, realizes processing IP packet operating system kernel level is other, guaranteed efficiency; IP bag processing filters module is modified, adds multi-thread concurrent numerical control system, the effective control to IP network link session number can be realized, limiting network bandwidth utilization rate, reduce network interconnection interface pressure; Realize dispatching operating system ICP/IP protocol stack route instruction and controlling by special-purpose software, and a dynamic routing Policy Table is safeguarded in internal memory, operation-interface is provided, accept customization routing policy, the different routing policy control and managements of different time sections are realized according to internal clocking and timed task mechanism, and communicate with between kernel IP bag processing filters module implementation process, complete function interlock, realize the routing forwarding based on source address, destination address, source port, destination interface etc.; Realize flow control management by software update system kernel, to the flow quota restriction of three-layer network TCP/UDP protocol data bag, and can provide monitor data window; To be detected by L7 bag and IP P2P bag detection of code realizes application traffic identification on seven layer network applications and bandwidth detection controlling functions, effective access control and bandwidth control can be carried out to classical network application such as the P2P application such as QQ, MSN, online game and BT, electric donkey, a sudden peal of thunder; By software simulating, Interactive control is realized to kernel ip packet filter device and complete IP bag intrusion detection defence, two-way IP bag detection defence, the conversion of NAT network address translation, PAT port address, port mapping function, and can link with above-mentioned functions (especially router feature), and realize multiple exit balancing link load and redundancy by the status monitoring of software to multiple external network interconnection interface, guarantee that internal network keeps with external network at least one link unimpeded all the time, prevent network service from interrupting; The multiple long-range connected modes such as Telnet, SSH, Java Web Start Client are provided to realize networked devices configuration management.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. an intelligent type computer network safety gateway, it is characterized in that: be made up of linux kernel (2) and at least two network interface cards (3), its linux kernel (2) is interconnected with each network interface card (3) respectively, linux kernel (2) and network interface card (3) are arranged in shell (1), a side of linux kernel (2) is positioned at shell (1) outside, the side that linux kernel (2) is corresponding arranges joint (13), the sidepiece of shell (1) arranges sliding tray (12), linux kernel (2) both sides arrange portable plate (4), shell (1) is stretched out by sliding tray (12) in portable plate (4) two ends, the shell (1) of the sidepiece of sliding tray (12) arranges clamp (6), spring leaf (5) is set between clamp (6) and portable plate (4), portable plate (4) is arranged network interface card (3), network interface card (3) can coordinate with linux kernel (2) grafting, shell (1) is arranged coupling (7), arranges wiring (8) between network interface card (3) and coupling (7), linux kernel (2) is also interconnected by interface and ip packet filter module (14), flow-control module (15), L7 and P2P module (16), an internal task scheduler module (17) is interconnected with linux kernel (2), ip packet filter module (14), flow-control module (15), L7 and P2P module (16) respectively, and internal task scheduler module (17) is also connected with user (19) by an interactive interface module (18).
2. a kind of intelligent type computer network safety gateway according to claim 1, it is characterized in that: described internal task scheduler module (17) is made up of task analysis unit, generation mission thread model data unit, thread resources allocation units, thread pool, direction of task aim unit and thread execution inspection unit, wherein: task analysis unit is connected with the output of interactive interface module (18), task analysis unit is also interconnected by generation mission thread model data unit and thread resources allocation units; Thread resources allocation units send signal by direction of task aim unit respectively to described linux kernel, ip packet filter module (14), flow-control module (15), L7 and P2P module (16), and thread resources allocation units are also interconnected with a thread pool; The input of thread execution inspection unit receives the signal of described linux kernel, ip packet filter module (14), flow-control module (15), L7 and P2P module (16) respectively, and the output of thread execution inspection unit sends signal respectively to thread resources allocation units and interactive interface module (18).
3. a kind of intelligent type computer network safety gateway according to claim 1, it is characterized in that: described interactive interface module (18) is made up of Java Web Start unit, subscription client, TCP/IP unit, control command unit language translation unit, interface service process unit and database, wherein: Java Web Start unit is connected with described user, and by subscription client, TCP/IP unit, control command unit language translation unit and interface service process unit be interconnected; Interface service process unit and database are interconnected, and are interconnected with described task scheduling modules.
4. a kind of intelligent type computer network safety gateway according to claim 1, is characterized in that: one end of described shell (1) arranges blower fan (11), and the other end of shell (1) offers several through hole (9).
5. a kind of intelligent type computer network safety gateway according to claim 1, is characterized in that: described linux kernel (2) be positioned at shell (1) outside arm-tie (10) is set.
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| CN201520315001.5U CN204652413U (en) | 2015-05-17 | 2015-05-17 | A kind of intelligent type computer network safety gateway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124357A (en) * | 2017-07-11 | 2017-09-01 | 王焱华 | A kind of cloud computing intelligent gateway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107124357A (en) * | 2017-07-11 | 2017-09-01 | 王焱华 | A kind of cloud computing intelligent gateway |
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Granted publication date: 20150916 Termination date: 20160517 |