JP4672780B2 - ネットワーク監視装置及びネットワーク監視方法 - Google Patents
ネットワーク監視装置及びネットワーク監視方法 Download PDFInfo
- Publication number
- JP4672780B2 JP4672780B2 JP2009066649A JP2009066649A JP4672780B2 JP 4672780 B2 JP4672780 B2 JP 4672780B2 JP 2009066649 A JP2009066649 A JP 2009066649A JP 2009066649 A JP2009066649 A JP 2009066649A JP 4672780 B2 JP4672780 B2 JP 4672780B2
- Authority
- JP
- Japan
- Prior art keywords
- address
- node
- computer
- network
- request packet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
- H04L63/0236—Filtering by address, protocol, port number or service, e.g. IP-address or URL
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
- H04L63/1466—Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
Description
Claims (8)
- 複数のノードが接続されたネットワークを監視するネットワーク監視装置であって、
アドレス解決プロトコル要求パケットを受信したことに応答して、前記受信したアドレス解決プロトコル要求パケットの送信元物理アドレスに基づいて、前記受信したアドレス解決プロトコル要求パケットの送信元ノードが不正ノードであるかどうかを判定する不正ノード判定手段と、
前記送信元ノードが不正ノードである場合、前記受信したアドレス解決プロトコル要求パケットの宛先ネットワークアドレスに対応する宛先ノードへ、宛先ネットワークアドレスが前記宛先ノードのネットワークアドレスであり、送信元物理アドレスが前記ネットワーク監視装置の物理アドレスであり、且つ送信元ネットワークアドレスが前記不正ノードのネットワークアドレスである偽装アドレス解決プロトコル要求パケットを送信する偽装アドレス解決プロトコル要求送信手段と、
前記宛先ノードから前記ネットワーク監視装置にユニキャストされた、前記偽装アドレス解決プロトコル要求パケットに対するアドレス解決プロトコル応答パケットを受信したことに応答して、前記不正ノードへ、送信元物理アドレスが前記宛先ノードの物理アドレス以外の所定の物理アドレスであり、且つ送信元ネットワークアドレスが前記宛先ノードのネットワークアドレスである偽装アドレス解決プロトコル応答パケットを送信する偽装アドレス解決プロトコル応答送信手段とを具備することを特徴とするネットワーク監視装置。 - 前記偽装アドレス解決プロトコル応答送信手段は、前記宛先ノードから送信された、前記偽装アドレス解決プロトコル要求パケットに対するアドレス解決プロトコル応答パケットを受信したことに応答して、前記不正ノードへ、送信元物理アドレスが前記不正ノードの物理アドレスであり、且つ送信元ネットワークアドレスが前記宛先ノードのネットワークアドレスである偽装アドレス解決プロトコル応答パケットを送信することを特徴とする請求項1記載のネットワーク監視装置。
- 前記ネットワーク監視装置が保持する、ネットワークアドレスと物理アドレスとの対応を記述したARPテーブルに、前記不正ノードのネットワークアドレスと前記ネットワーク監視装置の物理アドレスとを対応づけて記述するARPテーブル偽装手段をさらに具備することを特徴とする請求項1記載のネットワーク監視装置。
- 前記不正ノード判定手段は、アドレス解決プロトコル要求パケットを受信したことに応答して、前記受信したアドレス解決プロトコル要求パケットの宛先ネットワークアドレスに基づいて、前記受信したアドレス解決プロトコル要求パケットの宛先ノードが不正ノードであるかどうかを判定し、
前記偽装アドレス解決プロトコル要求送信手段は、前記宛先ノードが不正ノードである場合、前記受信したアドレス解決プロトコル要求パケットの送信元ノードへ、送信元物理アドレスが前記ネットワーク監視装置の物理アドレスであり、且つ送信元ネットワークアドレスが前記不正ノードのネットワークアドレスである偽装アドレス解決プロトコル要求パケットを送信することを特徴とする請求項1記載のネットワーク監視装置。 - 前記不正ノード判定手段は、アドレス解決プロトコル要求パケットを受信したことに応答して、前記受信したアドレス解決プロトコル要求パケットの宛先ネットワークアドレスに基づいて、前記ネットワーク監視装置が前記アドレス解決プロトコル要求パケットの宛先ノードであるかどうかを判定し、
前記偽装アドレス解決プロトコル応答送信手段は、前記ネットワーク監視装置が前記宛先ノードである場合、前記不正ノードへ、送信元物理アドレスが前記不正ノードの物理アドレスであり、且つ送信元ネットワークアドレスが前記宛先ノードのネットワークアドレスである偽装アドレス解決プロトコル応答パケットを送信することを特徴とする請求項1記載のネットワーク監視装置。 - 前記不正ノード判定手段は、前記ネットワーク監視装置がアドレス解決プロトコル要求パケットを送信したことに応答して、前記送信したアドレス解決プロトコル要求パケットの宛先ネットワークアドレスに基づいて、前記アドレス解決プロトコル要求パケットの宛先ノードが不正ノードであるかどうかを判定し、
前記偽装アドレス解決プロトコル応答送信手段は、前記宛先ノードが不正ノードである場合、前記宛先ノードへ、送信元物理アドレスが前記宛先ノードの物理アドレスであり、且つ送信元ネットワークアドレスが前記ネットワーク監視装置のネットワークアドレスである偽装アドレス解決プロトコル応答パケットを送信することを特徴とする請求項1記載のネットワーク監視装置。 - 前記不正ノード判定手段は、前記受信したアドレス解決プロトコル要求パケットの送信元ノードが不正ノードであり、且つ前記受信したアドレス解決プロトコル要求パケットがグラチュータスアドレス解決プロトコル要求パケットである場合、前記アドレス解決プロトコル要求パケットを無視することを特徴とする請求項1記載のネットワーク監視装置。
- 複数のノードが接続されたネットワークを該ネットワーク上に接続されたネットワーク監視装置によって監視するネットワーク監視方法であって、
アドレス解決プロトコル要求パケットを受信したことに応答して、前記受信したアドレス解決プロトコル要求パケットの送信元物理アドレスに基づいて、前記受信したアドレス解決プロトコル要求パケットの送信元ノードが不正ノードであるかどうかを判定し、
前記送信元ノードが不正ノードである場合、前記受信したアドレス解決プロトコル要求パケットの宛先ネットワークアドレスに対応する宛先ノードへ、宛先ネットワークアドレスが前記宛先ノードのネットワークアドレスであり、送信元物理アドレスが前記ネットワーク監視装置の物理アドレスであり、且つ送信元ネットワークアドレスが前記不正ノードのネットワークアドレスである偽装アドレス解決プロトコル要求パケットを送信し、
前記宛先ノードから前記ネットワーク監視装置にユニキャストされた、前記偽装アドレス解決プロトコル要求パケットに対するアドレス解決プロトコル応答パケットを受信したことに応答して、前記不正ノードへ、送信元物理アドレスが前記不正ノードの物理アドレスであり、且つ送信元ネットワークアドレスが前記宛先ノードのネットワークアドレスである偽装アドレス解決プロトコル応答パケットを送信することを特徴とするネットワーク監視方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009066649A JP4672780B2 (ja) | 2009-03-18 | 2009-03-18 | ネットワーク監視装置及びネットワーク監視方法 |
US12/711,981 US20100241744A1 (en) | 2009-03-18 | 2010-02-24 | Network Monitoring Apparatus and Network Monitoring Method |
US13/571,224 US20120304294A1 (en) | 2009-03-18 | 2012-08-09 | Network Monitoring Apparatus and Network Monitoring Method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009066649A JP4672780B2 (ja) | 2009-03-18 | 2009-03-18 | ネットワーク監視装置及びネットワーク監視方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010220066A JP2010220066A (ja) | 2010-09-30 |
JP4672780B2 true JP4672780B2 (ja) | 2011-04-20 |
Family
ID=42738582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009066649A Expired - Fee Related JP4672780B2 (ja) | 2009-03-18 | 2009-03-18 | ネットワーク監視装置及びネットワーク監視方法 |
Country Status (2)
Country | Link |
---|---|
US (2) | US20100241744A1 (ja) |
JP (1) | JP4672780B2 (ja) |
Families Citing this family (184)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5581141B2 (ja) * | 2010-07-29 | 2014-08-27 | 株式会社Pfu | 管理サーバ、通信遮断装置、情報処理システム、方法およびプログラム |
JP5551061B2 (ja) * | 2010-12-27 | 2014-07-16 | 株式会社Pfu | 情報処理装置、アドレス重複対処方法およびアドレス重複対処用プログラム |
ES2616468T3 (es) * | 2011-07-12 | 2017-06-13 | Furukawa Electric Co., Ltd. | Dispositivo de comunicación y sistema de comunicación |
US9965133B1 (en) | 2011-07-22 | 2018-05-08 | Ntrepid Corporation | Application for assisting in conducting covert cyber operations |
US9548959B2 (en) * | 2012-03-23 | 2017-01-17 | Cisco Technology, Inc. | Address resolution suppression for data center interconnect |
US9237082B2 (en) * | 2012-03-26 | 2016-01-12 | Hewlett Packard Enterprise Development Lp | Packet descriptor trace indicators |
JP6137178B2 (ja) * | 2012-06-11 | 2017-05-31 | 日本電気株式会社 | 通信情報検出装置及び通信情報検出方法 |
JP5987627B2 (ja) * | 2012-10-22 | 2016-09-07 | 富士通株式会社 | 不正アクセス検出方法、ネットワーク監視装置及びプログラム |
US10009065B2 (en) | 2012-12-05 | 2018-06-26 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US9113347B2 (en) | 2012-12-05 | 2015-08-18 | At&T Intellectual Property I, Lp | Backhaul link for distributed antenna system |
US9621581B2 (en) * | 2013-03-15 | 2017-04-11 | Cisco Technology, Inc. | IPV6/IPV4 resolution-less forwarding up to a destination |
US9999038B2 (en) | 2013-05-31 | 2018-06-12 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US8897697B1 (en) | 2013-11-06 | 2014-11-25 | At&T Intellectual Property I, Lp | Millimeter-wave surface-wave communications |
US9209902B2 (en) | 2013-12-10 | 2015-12-08 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
JP6138714B2 (ja) | 2014-03-03 | 2017-05-31 | アラクサラネットワークス株式会社 | 通信装置および通信装置における通信制御方法 |
US9293029B2 (en) * | 2014-05-22 | 2016-03-22 | West Corporation | System and method for monitoring, detecting and reporting emergency conditions using sensors belonging to multiple organizations |
US9692101B2 (en) | 2014-08-26 | 2017-06-27 | At&T Intellectual Property I, L.P. | Guided wave couplers for coupling electromagnetic waves between a waveguide surface and a surface of a wire |
US9768833B2 (en) | 2014-09-15 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves |
US10063280B2 (en) | 2014-09-17 | 2018-08-28 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
US9628854B2 (en) | 2014-09-29 | 2017-04-18 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing content in a communication network |
US9615269B2 (en) | 2014-10-02 | 2017-04-04 | At&T Intellectual Property I, L.P. | Method and apparatus that provides fault tolerance in a communication network |
US9685992B2 (en) | 2014-10-03 | 2017-06-20 | At&T Intellectual Property I, L.P. | Circuit panel network and methods thereof |
US9503189B2 (en) | 2014-10-10 | 2016-11-22 | At&T Intellectual Property I, L.P. | Method and apparatus for arranging communication sessions in a communication system |
US9973299B2 (en) | 2014-10-14 | 2018-05-15 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a mode of communication in a communication network |
US9762289B2 (en) | 2014-10-14 | 2017-09-12 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting or receiving signals in a transportation system |
US9520945B2 (en) | 2014-10-21 | 2016-12-13 | At&T Intellectual Property I, L.P. | Apparatus for providing communication services and methods thereof |
US9564947B2 (en) | 2014-10-21 | 2017-02-07 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with diversity and methods for use therewith |
US9653770B2 (en) | 2014-10-21 | 2017-05-16 | At&T Intellectual Property I, L.P. | Guided wave coupler, coupling module and methods for use therewith |
US9780834B2 (en) | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
US9627768B2 (en) | 2014-10-21 | 2017-04-18 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9577306B2 (en) | 2014-10-21 | 2017-02-21 | At&T Intellectual Property I, L.P. | Guided-wave transmission device and methods for use therewith |
US9769020B2 (en) | 2014-10-21 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for responding to events affecting communications in a communication network |
US9312919B1 (en) | 2014-10-21 | 2016-04-12 | At&T Intellectual Property I, Lp | Transmission device with impairment compensation and methods for use therewith |
US10009067B2 (en) | 2014-12-04 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for configuring a communication interface |
US10243784B2 (en) | 2014-11-20 | 2019-03-26 | At&T Intellectual Property I, L.P. | System for generating topology information and methods thereof |
US10340573B2 (en) | 2016-10-26 | 2019-07-02 | At&T Intellectual Property I, L.P. | Launcher with cylindrical coupling device and methods for use therewith |
US9800327B2 (en) | 2014-11-20 | 2017-10-24 | At&T Intellectual Property I, L.P. | Apparatus for controlling operations of a communication device and methods thereof |
US9954287B2 (en) | 2014-11-20 | 2018-04-24 | At&T Intellectual Property I, L.P. | Apparatus for converting wireless signals and electromagnetic waves and methods thereof |
US9544006B2 (en) | 2014-11-20 | 2017-01-10 | At&T Intellectual Property I, L.P. | Transmission device with mode division multiplexing and methods for use therewith |
US9680670B2 (en) | 2014-11-20 | 2017-06-13 | At&T Intellectual Property I, L.P. | Transmission device with channel equalization and control and methods for use therewith |
US9654173B2 (en) | 2014-11-20 | 2017-05-16 | At&T Intellectual Property I, L.P. | Apparatus for powering a communication device and methods thereof |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
US9742462B2 (en) | 2014-12-04 | 2017-08-22 | At&T Intellectual Property I, L.P. | Transmission medium and communication interfaces and methods for use therewith |
US9997819B2 (en) | 2015-06-09 | 2018-06-12 | At&T Intellectual Property I, L.P. | Transmission medium and method for facilitating propagation of electromagnetic waves via a core |
US10144036B2 (en) | 2015-01-30 | 2018-12-04 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium |
US9876570B2 (en) | 2015-02-20 | 2018-01-23 | At&T Intellectual Property I, Lp | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9749013B2 (en) | 2015-03-17 | 2017-08-29 | At&T Intellectual Property I, L.P. | Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium |
US9705561B2 (en) | 2015-04-24 | 2017-07-11 | At&T Intellectual Property I, L.P. | Directional coupling device and methods for use therewith |
US10224981B2 (en) | 2015-04-24 | 2019-03-05 | At&T Intellectual Property I, Lp | Passive electrical coupling device and methods for use therewith |
US9948354B2 (en) | 2015-04-28 | 2018-04-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device with reflective plate and methods for use therewith |
US9793954B2 (en) | 2015-04-28 | 2017-10-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device and methods for use therewith |
US9490869B1 (en) | 2015-05-14 | 2016-11-08 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores and methods for use therewith |
US9748626B2 (en) | 2015-05-14 | 2017-08-29 | At&T Intellectual Property I, L.P. | Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium |
US9871282B2 (en) | 2015-05-14 | 2018-01-16 | At&T Intellectual Property I, L.P. | At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric |
US10679767B2 (en) | 2015-05-15 | 2020-06-09 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US10650940B2 (en) | 2015-05-15 | 2020-05-12 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US9917341B2 (en) | 2015-05-27 | 2018-03-13 | At&T Intellectual Property I, L.P. | Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves |
US10103801B2 (en) | 2015-06-03 | 2018-10-16 | At&T Intellectual Property I, L.P. | Host node device and methods for use therewith |
US10812174B2 (en) | 2015-06-03 | 2020-10-20 | At&T Intellectual Property I, L.P. | Client node device and methods for use therewith |
US10154493B2 (en) | 2015-06-03 | 2018-12-11 | At&T Intellectual Property I, L.P. | Network termination and methods for use therewith |
US10348391B2 (en) | 2015-06-03 | 2019-07-09 | At&T Intellectual Property I, L.P. | Client node device with frequency conversion and methods for use therewith |
US9912381B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US9866309B2 (en) | 2015-06-03 | 2018-01-09 | At&T Intellectual Property I, Lp | Host node device and methods for use therewith |
US9913139B2 (en) | 2015-06-09 | 2018-03-06 | At&T Intellectual Property I, L.P. | Signal fingerprinting for authentication of communicating devices |
US10142086B2 (en) | 2015-06-11 | 2018-11-27 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9608692B2 (en) | 2015-06-11 | 2017-03-28 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9820146B2 (en) | 2015-06-12 | 2017-11-14 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9667317B2 (en) | 2015-06-15 | 2017-05-30 | At&T Intellectual Property I, L.P. | Method and apparatus for providing security using network traffic adjustments |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9865911B2 (en) | 2015-06-25 | 2018-01-09 | At&T Intellectual Property I, L.P. | Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium |
US10033108B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
US10320586B2 (en) | 2015-07-14 | 2019-06-11 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US10205655B2 (en) | 2015-07-14 | 2019-02-12 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array and multiple communication paths |
US10170840B2 (en) | 2015-07-14 | 2019-01-01 | At&T Intellectual Property I, L.P. | Apparatus and methods for sending or receiving electromagnetic signals |
US9882257B2 (en) | 2015-07-14 | 2018-01-30 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US9722318B2 (en) | 2015-07-14 | 2017-08-01 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10033107B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US9847566B2 (en) | 2015-07-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a field of a signal to mitigate interference |
US10341142B2 (en) | 2015-07-14 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor |
US9836957B2 (en) | 2015-07-14 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating with premises equipment |
US9628116B2 (en) | 2015-07-14 | 2017-04-18 | At&T Intellectual Property I, L.P. | Apparatus and methods for transmitting wireless signals |
US9793951B2 (en) | 2015-07-15 | 2017-10-17 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10090606B2 (en) | 2015-07-15 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system with dielectric array and methods for use therewith |
US9608740B2 (en) | 2015-07-15 | 2017-03-28 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10784670B2 (en) | 2015-07-23 | 2020-09-22 | At&T Intellectual Property I, L.P. | Antenna support for aligning an antenna |
US9871283B2 (en) | 2015-07-23 | 2018-01-16 | At&T Intellectual Property I, Lp | Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration |
US9948333B2 (en) | 2015-07-23 | 2018-04-17 | At&T Intellectual Property I, L.P. | Method and apparatus for wireless communications to mitigate interference |
US9749053B2 (en) | 2015-07-23 | 2017-08-29 | At&T Intellectual Property I, L.P. | Node device, repeater and methods for use therewith |
US9912027B2 (en) | 2015-07-23 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for exchanging communication signals |
US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
US10020587B2 (en) | 2015-07-31 | 2018-07-10 | At&T Intellectual Property I, L.P. | Radial antenna and methods for use therewith |
US9967173B2 (en) | 2015-07-31 | 2018-05-08 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9904535B2 (en) | 2015-09-14 | 2018-02-27 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing software |
US10009063B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal |
US10136434B2 (en) | 2015-09-16 | 2018-11-20 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel |
US10051629B2 (en) | 2015-09-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an in-band reference signal |
US10079661B2 (en) | 2015-09-16 | 2018-09-18 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a clock reference |
US10009901B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations |
US9705571B2 (en) | 2015-09-16 | 2017-07-11 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system |
US9769128B2 (en) | 2015-09-28 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for encryption of communications over a network |
US9729197B2 (en) | 2015-10-01 | 2017-08-08 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating network management traffic over a network |
US10074890B2 (en) | 2015-10-02 | 2018-09-11 | At&T Intellectual Property I, L.P. | Communication device and antenna with integrated light assembly |
US9882277B2 (en) | 2015-10-02 | 2018-01-30 | At&T Intellectual Property I, Lp | Communication device and antenna assembly with actuated gimbal mount |
US9876264B2 (en) | 2015-10-02 | 2018-01-23 | At&T Intellectual Property I, Lp | Communication system, guided wave switch and methods for use therewith |
US10355367B2 (en) | 2015-10-16 | 2019-07-16 | At&T Intellectual Property I, L.P. | Antenna structure for exchanging wireless signals |
US10051483B2 (en) | 2015-10-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for directing wireless signals |
US10665942B2 (en) | 2015-10-16 | 2020-05-26 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting wireless communications |
US9912419B1 (en) | 2016-08-24 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for managing a fault in a distributed antenna system |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US10291311B2 (en) | 2016-09-09 | 2019-05-14 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating a fault in a distributed antenna system |
US11032819B2 (en) | 2016-09-15 | 2021-06-08 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a control channel reference signal |
US10340600B2 (en) | 2016-10-18 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via plural waveguide systems |
US10135146B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via circuits |
US10135147B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US9876605B1 (en) | 2016-10-21 | 2018-01-23 | At&T Intellectual Property I, L.P. | Launcher and coupling system to support desired guided wave mode |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
US9991580B2 (en) | 2016-10-21 | 2018-06-05 | At&T Intellectual Property I, L.P. | Launcher and coupling system for guided wave mode cancellation |
US10312567B2 (en) | 2016-10-26 | 2019-06-04 | At&T Intellectual Property I, L.P. | Launcher with planar strip antenna and methods for use therewith |
US11496435B2 (en) * | 2016-10-28 | 2022-11-08 | The Nielsen Company (Us), Llc | Systems, methods, and apparatus to facilitate mapping a device name to a hardware address |
US10498044B2 (en) | 2016-11-03 | 2019-12-03 | At&T Intellectual Property I, L.P. | Apparatus for configuring a surface of an antenna |
US10224634B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Methods and apparatus for adjusting an operational characteristic of an antenna |
US10291334B2 (en) | 2016-11-03 | 2019-05-14 | At&T Intellectual Property I, L.P. | System for detecting a fault in a communication system |
US10225025B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method and apparatus for detecting a fault in a communication system |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10090594B2 (en) | 2016-11-23 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system having structural configurations for assembly |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-antenna system and methods for use therewith |
US10361489B2 (en) | 2016-12-01 | 2019-07-23 | At&T Intellectual Property I, L.P. | Dielectric dish antenna system and methods for use therewith |
US10305190B2 (en) | 2016-12-01 | 2019-05-28 | At&T Intellectual Property I, L.P. | Reflecting dielectric antenna system and methods for use therewith |
US10727599B2 (en) | 2016-12-06 | 2020-07-28 | At&T Intellectual Property I, L.P. | Launcher with slot antenna and methods for use therewith |
US10819035B2 (en) | 2016-12-06 | 2020-10-27 | At&T Intellectual Property I, L.P. | Launcher with helical antenna and methods for use therewith |
US10326494B2 (en) | 2016-12-06 | 2019-06-18 | At&T Intellectual Property I, L.P. | Apparatus for measurement de-embedding and methods for use therewith |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided waves |
US10135145B2 (en) | 2016-12-06 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave along a transmission medium |
US10755542B2 (en) | 2016-12-06 | 2020-08-25 | At&T Intellectual Property I, L.P. | Method and apparatus for surveillance via guided wave communication |
US10382976B2 (en) | 2016-12-06 | 2019-08-13 | At&T Intellectual Property I, L.P. | Method and apparatus for managing wireless communications based on communication paths and network device positions |
US10439675B2 (en) | 2016-12-06 | 2019-10-08 | At&T Intellectual Property I, L.P. | Method and apparatus for repeating guided wave communication signals |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna and methods for use therewith |
US9927517B1 (en) | 2016-12-06 | 2018-03-27 | At&T Intellectual Property I, L.P. | Apparatus and methods for sensing rainfall |
US10694379B2 (en) | 2016-12-06 | 2020-06-23 | At&T Intellectual Property I, L.P. | Waveguide system with device-based authentication and methods for use therewith |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
US10446936B2 (en) | 2016-12-07 | 2019-10-15 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system and methods for use therewith |
US10139820B2 (en) | 2016-12-07 | 2018-11-27 | At&T Intellectual Property I, L.P. | Method and apparatus for deploying equipment of a communication system |
US10389029B2 (en) | 2016-12-07 | 2019-08-20 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system with core selection and methods for use therewith |
US10359749B2 (en) | 2016-12-07 | 2019-07-23 | At&T Intellectual Property I, L.P. | Method and apparatus for utilities management via guided wave communication |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US10243270B2 (en) | 2016-12-07 | 2019-03-26 | At&T Intellectual Property I, L.P. | Beam adaptive multi-feed dielectric antenna system and methods for use therewith |
US10547348B2 (en) | 2016-12-07 | 2020-01-28 | At&T Intellectual Property I, L.P. | Method and apparatus for switching transmission mediums in a communication system |
US10027397B2 (en) | 2016-12-07 | 2018-07-17 | At&T Intellectual Property I, L.P. | Distributed antenna system and methods for use therewith |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
US10530505B2 (en) | 2016-12-08 | 2020-01-07 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves along a transmission medium |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method for use therewith |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US10916969B2 (en) | 2016-12-08 | 2021-02-09 | At&T Intellectual Property I, L.P. | Method and apparatus for providing power using an inductive coupling |
US10411356B2 (en) | 2016-12-08 | 2019-09-10 | At&T Intellectual Property I, L.P. | Apparatus and methods for selectively targeting communication devices with an antenna array |
US10069535B2 (en) | 2016-12-08 | 2018-09-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves having a certain electric field structure |
US10389037B2 (en) | 2016-12-08 | 2019-08-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for selecting sections of an antenna array and use therewith |
US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US10938108B2 (en) | 2016-12-08 | 2021-03-02 | At&T Intellectual Property I, L.P. | Frequency selective multi-feed dielectric antenna system and methods for use therewith |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
US10516645B1 (en) | 2017-04-27 | 2019-12-24 | Pure Storage, Inc. | Address resolution broadcasting in a networked device |
JP2019041176A (ja) * | 2017-08-23 | 2019-03-14 | 株式会社ソフトクリエイト | 不正接続遮断装置及び不正接続遮断方法 |
KR20190076313A (ko) * | 2017-12-22 | 2019-07-02 | (주)노르마 | Arp 스푸핑 탐지 시스템 및 방법 |
WO2019167384A1 (ja) * | 2018-02-28 | 2019-09-06 | 株式会社オートネットワーク技術研究所 | 車載通信システム、スイッチ装置、検証方法および検証プログラム |
US11626010B2 (en) * | 2019-02-28 | 2023-04-11 | Nortek Security & Control Llc | Dynamic partition of a security system |
US20200279473A1 (en) * | 2019-02-28 | 2020-09-03 | Nortek Security & Control Llc | Virtual partition of a security system |
CN110061977A (zh) * | 2019-03-29 | 2019-07-26 | 国网山东省电力公司邹城市供电公司 | 一种有效监控并防范arp病毒的系统 |
US11277442B2 (en) * | 2019-04-05 | 2022-03-15 | Cisco Technology, Inc. | Verifying the trust-worthiness of ARP senders and receivers using attestation-based methods |
TWI728901B (zh) * | 2020-08-20 | 2021-05-21 | 台眾電腦股份有限公司 | 雙模式切換之阻斷網路連線的方法 |
CN112491888A (zh) * | 2020-11-27 | 2021-03-12 | 深圳万物安全科技有限公司 | 防止设备冒用的方法及系统 |
US20220231990A1 (en) * | 2021-01-20 | 2022-07-21 | AVAST Software s.r.o. | Intra-lan network device isolation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005079706A (ja) * | 2003-08-28 | 2005-03-24 | Nec Corp | ネットワークへの不正接続防止システム、及びネットワークへの不正接続防止装置 |
JP2008520159A (ja) * | 2005-04-06 | 2008-06-12 | スコープ インコーポレイテッド | ネットワーク上における特定ipアドレス、または特定装置を保護/遮断するためのip管理方法及び装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7536723B1 (en) * | 2004-02-11 | 2009-05-19 | Airtight Networks, Inc. | Automated method and system for monitoring local area computer networks for unauthorized wireless access |
-
2009
- 2009-03-18 JP JP2009066649A patent/JP4672780B2/ja not_active Expired - Fee Related
-
2010
- 2010-02-24 US US12/711,981 patent/US20100241744A1/en not_active Abandoned
-
2012
- 2012-08-09 US US13/571,224 patent/US20120304294A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005079706A (ja) * | 2003-08-28 | 2005-03-24 | Nec Corp | ネットワークへの不正接続防止システム、及びネットワークへの不正接続防止装置 |
JP2008520159A (ja) * | 2005-04-06 | 2008-06-12 | スコープ インコーポレイテッド | ネットワーク上における特定ipアドレス、または特定装置を保護/遮断するためのip管理方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2010220066A (ja) | 2010-09-30 |
US20120304294A1 (en) | 2012-11-29 |
US20100241744A1 (en) | 2010-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4672780B2 (ja) | ネットワーク監視装置及びネットワーク監視方法 | |
US8107396B1 (en) | Host tracking in a layer 2 IP ethernet network | |
US8646033B2 (en) | Packet relay apparatus | |
US8369346B2 (en) | Method and system for restricting a node from communicating with other nodes in a broadcast domain of an IP (internet protocol) network | |
US20080301303A1 (en) | Virtual network connection apparatus, system, method for controlling connection of a virtual network and computer-readable storage medium | |
KR100949355B1 (ko) | 통신방법, 이동 에이전트 장치, 및 홈 에이전트 장치 | |
US20100057895A1 (en) | Methods of Providing Reputation Information with an Address and Related Devices and Computer Program Products | |
US20190058731A1 (en) | User-side detection and containment of arp spoofing attacks | |
US20180270189A1 (en) | Equipment for offering domain-name resolution services | |
JP2003046533A (ja) | ネットワークシステム、その認証方法及びそのプログラム | |
US20170237769A1 (en) | Packet transfer method and packet transfer apparatus | |
EP1486050A2 (en) | A ddns server, a ddns client terminal and a ddns system, and a web server terminal, its network system and an access control method | |
JP2011205614A (ja) | Ipsecとipv6近隣要請の競合解消方法及びそのシステム | |
JP2004166002A (ja) | 通信装置、境界ルータ装置、サーバ装置、通信システム、通信方法、ルーティング方法、通信プログラム及びルーティングプログラム | |
US7916733B2 (en) | Data communication apparatus, data communication method, program, and storage medium | |
Stapp | DHCPv6 Bulk Leasequery | |
JP3590394B2 (ja) | パケット転送装置、パケット転送方法およびプログラム | |
JP4895793B2 (ja) | ネットワーク監視装置及びネットワーク監視方法 | |
JP2019522416A (ja) | Dnsリクエストの抑制のためのシステム及び方法 | |
JP2011124774A (ja) | ネットワーク監視装置、ネットワーク監視方法 | |
JP2004078280A (ja) | リモートアクセス仲介システム及び方法 | |
JP2019041176A (ja) | 不正接続遮断装置及び不正接続遮断方法 | |
WO2009110327A1 (ja) | ネットワーク監視システム、ネットワーク監視方法、及びネットワーク監視プログラム | |
JP2006352719A (ja) | ネットワーク監視装置,ネットワーク監視方法,ネットワークシステム及びネットワーク監視方法及びネットワーク通信方法 | |
JP5842128B2 (ja) | 通信システム、機器通信サーバ、クライアント機器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100730 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100914 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101110 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101221 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110119 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 4672780 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140128 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |