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GB201311176D0 - Resolution of address translations - Google Patents

Resolution of address translations

Info

Publication number
GB201311176D0
GB201311176D0 GBGB1311176.0A GB201311176A GB201311176D0 GB 201311176 D0 GB201311176 D0 GB 201311176D0 GB 201311176 A GB201311176 A GB 201311176A GB 201311176 D0 GB201311176 D0 GB 201311176D0
Authority
GB
United Kingdom
Prior art keywords
nat
resolution
pat
address translations
network
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.)
Withdrawn
Application number
GBGB1311176.0A
Other versions
GB2505288A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
BAE Systems PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BAE Systems PLC filed Critical BAE Systems PLC
Publication of GB201311176D0 publication Critical patent/GB201311176D0/en
Publication of GB2505288A publication Critical patent/GB2505288A/en
Withdrawn legal-status Critical Current

Links

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
    • H04L43/02—Capturing of monitoring data
    • H04L43/026—Capturing of monitoring data using flow identification
    • 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
    • H04L63/30—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information
    • H04L63/306—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information intercepting packet switched data communications, e.g. Web, Internet or IMS communications
    • 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
    • H04L43/02—Capturing of monitoring data
    • H04L43/028—Capturing of monitoring data by filtering
    • 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
    • H04L43/04—Processing captured monitoring data, e.g. for logfile generation
    • 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
    • H04L43/06—Generation of reports
    • H04L43/065—Generation of reports related to network devices
    • 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
    • H04L43/12—Network monitoring probes
    • 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
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/2591—Identification of devices behind NAT devices
    • 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
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/2514—Translation of Internet protocol [IP] addresses between local and global IP addresses
    • 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
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/2517—Translation of Internet protocol [IP] addresses using port numbers
    • 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
    • H04L63/30—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A method and apparatus are provided for mapping IP communications sessions, e.g. TCP or UDP sessions, before and after IP source address and port number translation by a network Address Translation/Port Address Translation (NAT/PAT) device. Data packets outgoing from a network may be captured before and after the NAT/PAT device and processed in a passive correlation device according to the present invention to map pre-NAT and post-NAT IP quint data fields.
GB1311176.0A 2012-06-26 2013-06-24 Identifying address translations Withdrawn GB2505288A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1211323.9A GB201211323D0 (en) 2012-06-26 2012-06-26 Resolution of address translations

Publications (2)

Publication Number Publication Date
GB201311176D0 true GB201311176D0 (en) 2013-08-14
GB2505288A GB2505288A (en) 2014-02-26

Family

ID=46704237

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1211323.9A Ceased GB201211323D0 (en) 2012-06-26 2012-06-26 Resolution of address translations
GB1311176.0A Withdrawn GB2505288A (en) 2012-06-26 2013-06-24 Identifying address translations

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1211323.9A Ceased GB201211323D0 (en) 2012-06-26 2012-06-26 Resolution of address translations

Country Status (2)

Country Link
GB (2) GB201211323D0 (en)
WO (1) WO2014001773A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2534563A (en) * 2015-01-26 2016-08-03 Telesoft Tech Ltd Data retention probes and related methods
US9264370B1 (en) 2015-02-10 2016-02-16 Centripetal Networks, Inc. Correlating packets in communications networks
US9866576B2 (en) 2015-04-17 2018-01-09 Centripetal Networks, Inc. Rule-based network-threat detection
US10135930B2 (en) * 2015-11-13 2018-11-20 Yaana Technologies Llc System and method for discovering internet protocol (IP) network address and port translation bindings
US20190007293A1 (en) * 2017-06-28 2019-01-03 Cpacket Networks Inc. Apparatus and method for correlating network traffic on opposite sides of a network address translator
US11233777B2 (en) 2017-07-24 2022-01-25 Centripetal Networks, Inc. Efficient SSL/TLS proxy
US10931534B2 (en) 2017-10-31 2021-02-23 Cisco Technology, Inc. Auto discovery of network proxies
US10834138B2 (en) 2018-08-13 2020-11-10 Akamai Technologies, Inc. Device discovery for cloud-based network security gateways
US10951589B2 (en) 2018-12-06 2021-03-16 Akamai Technologies, Inc. Proxy auto-configuration for directing client traffic to a cloud proxy
CN112671949B (en) * 2020-12-29 2023-05-12 科来网络技术股份有限公司 Method and system for associating NAT front-back session according to syslog log
US11949646B2 (en) 2022-08-09 2024-04-02 Packet Forensics, LLC Correlating protocol data units transiting networks with differing addressing schemes
CN116527626A (en) * 2023-04-25 2023-08-01 西安新路网络科技有限公司 Method and system for dialing one-to-many network address translation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003084137A2 (en) * 2002-03-29 2003-10-09 Network Genomics, Inc. Methods for identifying network traffic flows
US8219675B2 (en) * 2009-12-11 2012-07-10 Tektronix, Inc. System and method for correlating IP flows across network address translation firewalls
GB201101723D0 (en) * 2011-02-01 2011-03-16 Roke Manor Research A method and apparatus for identifier correlation

Also Published As

Publication number Publication date
GB201211323D0 (en) 2012-08-08
WO2014001773A1 (en) 2014-01-03
GB2505288A (en) 2014-02-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)