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Multiconfigurable device masking shunt and method of use

A multi-structure and equipment technology, applied in the fields of instruments, electrical digital data processing, digital transmission systems, etc., can solve the problems of being vulnerable to tampering or plagiarism, not easy for network equipment and applications, and the inability of packets to arrive in time.

Inactive Publication Date: 2006-04-26
RE SRC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The only telltale sign that the filter might be present is that the latency is slightly higher and the packets don't seem to reach their final destination in time
While the Linux / OpenBSD solution works according to plan, the above approach is OS-dependent, vulnerable to tampering or piracy, and not readily applicable to a wide variety of network devices and applications

Method used

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  • Multiconfigurable device masking shunt and method of use
  • Multiconfigurable device masking shunt and method of use
  • Multiconfigurable device masking shunt and method of use

Examples

Experimental program
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Embodiment Construction

[0176] Glossary of terms:

[0177] ANSI American National Standards Institute

[0178] CSMA / CD Carrier Sense Multiple Access with Collision Detection

[0179] CRC Cyclic Redundancy Check

[0180] DMS equipment shielding branch

[0181] FDDI Fiber Distributed Data Interface

[0182] FPGA Field Programmable Gate Array

[0183] IP Internet Protocol

[0184] local area network

[0185] LED Light Emitting Diode

[0186] MAC medium access control

[0187] UDP User Datagram Protocol

[0188] 100Base-FX 100 Mbit / s optical fiber based on Ethernet standard

[0189] SA source address

[0190] The multi-structured device shielding branch of the present invention is a device shielding branch for a communication network, comprising: means for capturing and storing a source medium access control (MAC) initial address of an inbound received frame; and means for means for replacing the device MAC origin address in each corresponding outbound frame of the network device with the stor...

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Abstract

A multi-structured device for shielding branches of network devices, preferably on a network having a first mode and a second mode of security. In a first mode, the branch hides the network device by cloaking the network device from upstream and downstream relay devices. During hiding, the media access control address of the network device is replaced by the media access control address of the upstream or downstream relay device. In a second mode, the leg carries inbound and outbound calls via one of two alternate paths from the unsecured network to the secured network, and such calls can be monitored.

Description

technical field [0001] The present invention relates to computer network protection devices, in particular to device shielding branches, and in particular to a multi-structured device shielding branch for hiding firewalls or other network devices in a first mode and in another The cache-tapping monitoring is transformed using the backup transformation in the pattern. Background technique [0002] Frame-based communication protocols can be embedded in device-specific data as part of the frame. For example, in 100BASE-TX, the SA (Source Address) frame may contain a code indicating the manufacturer and model of the power supply device. This information is sometimes referred to as the Media Access Control (MAC) origin address. A MAC address is a specific address for a type of network hardware and therefore provides hackers with invaluable information such as the make and model. Capturing MAC initial addresses isn't just something that is followed by everyday hackers. Capturi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L29/12
CPCG06F2221/2105H04L61/35H04L63/0227H04L63/1408H04L61/00H04L2101/622
Inventor 道格拉斯·艾伦·雷默
Owner RE SRC