CISSP Exam Note (Telecommunications and Networking Security Domain) – LAN Media Access Methods

April 2, 2010 · Posted in Don's eBook Report, IT Docs, InfoSec Docs, Information Security, Information Technology, eBooks, etc... · Comment 

LAN Media Access Methods

  • Physical & Data Link Layers
  • Controls the use of a network

Ethernet 802.3

  • Uses CSMA/CD
  • Designed for sporadic traffic
  • Defines a bus topology with 3 different cabling standards:
    • Thinnet (10Base2) – coax with segments up to 185 meters
    • Thicknet (10Base5) – coax with segments up to 500 meters
    • Unshielded Twisted Pair (UTP) – all devices connected to a hub or a switch

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CISSP Exam Note (Telecommunications and Networking Security Domain) – 5 Common LAN Topologies

March 30, 2010 · Posted in Don's eBook Report, IT Docs, InfoSec Docs, Information Security, Information Systems, Information Technology, eBooks, etc... · Comment 

Topologies – defines the manner in which the network devices are organized to facilitate communication

Bus

  • All transmissions travel full length of the cable and receive by all other stations
  • Single point of failure n the cable
  • If one of the links between any of the computers is broken, the network is down
  • Primarily Ethernet
  • These networks were originally designed to work with more sporadic traffic Read more

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CISSP Exam Note (Telecommunications and Networking Security Domain) – Common Data Network Services

March 26, 2010 · Posted in Don's eBook Report, IT Docs, InfoSec Docs, Information Security, Information Systems, Information Technology, eBooks, etc... · Comment 

File Services – Share data files and subdirectories on the file server

Mail Services – Send and receive e-mail internally and externally

Print Services – Print documents to shared printers

Client/Server Services – Allocate computing resources among workstations Read more

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CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Network Address Translation

March 15, 2010 · Posted in Don's eBook Report, IT Docs, InfoSec Docs, Information Security, Information Technology · Comment 

NAT – Network Address Translation

  • 3 Private IP Address Ranges
  • Global Non-routable Addresses
  • Class A – 10.0.0.0 to 10.255.255.255
  • Class B – 172.16.0.0 to 172.31.255.255
  • Class C – 192.168.0.0 to 192.168.255.255 Read more

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  • RSS From the National Vulnerability Database

    • CVE-2011-3958 (chrome) February 7, 2012
      Google Chrome before 17.0.963.46 does not properly perform casts of variables during handling of a column span, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document. […]
      nvd@nist.gov
    • CVE-2012-1033 (bind) February 7, 2012
      The resolver in ISC BIND 9 through 9.8.1-P1 does not properly implement a cache update policy, which allows remote attackers to trigger continued resolvability of domain names that are no longer registered via an unspecified "Ghost Names exploit." […]
      nvd@nist.gov
    • CVE-2011-3971 (chrome) February 7, 2012
      Use-after-free vulnerability in Google Chrome before 17.0.963.46 allows user-assisted remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to mousemove events. […]
      nvd@nist.gov
    • CVE-2011-3954 (chrome) February 7, 2012
      Google Chrome before 17.0.963.46 allows remote attackers to cause a denial of service (application crash) via vectors that trigger a large amount of database usage. […]
      nvd@nist.gov
    • CVE-2011-3970 (chrome, libxslt) February 7, 2012
      libxslt, as used in Google Chrome before 17.0.963.46, allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors. […]
      nvd@nist.gov
    • CVE-2012-0926 (realplayer, realplayer_sp) February 7, 2012
      The RV10 codec in RealNetworks RealPlayer 11.x, 14.x, and 15.x before 15.02.71, and RealPlayer SP 1.0 through 1.1.5, does not properly handle height and width values, which allows remote attackers to execute arbitrary code via a crafted RV10 RealVideo video stream. […]
      nvd@nist.gov
    • CVE-2011-3969 (chrome) February 7, 2012
      Use-after-free vulnerability in Google Chrome before 17.0.963.46 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to layout of SVG documents. […]
      nvd@nist.gov
    • CVE-2011-3956 (chrome) February 7, 2012
      The extension implementation in Google Chrome before 17.0.963.46 does not properly handle sandboxed origins, which might allow remote attackers to bypass the Same Origin Policy via a crafted extension. […]
      nvd@nist.gov
    • CVE-2011-3968 (chrome) February 7, 2012
      Use-after-free vulnerability in Google Chrome before 17.0.963.46 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors involving Cascading Style Sheets (CSS) token sequences. […]
      nvd@nist.gov
    • CVE-2012-1035 (ada_web_services) February 7, 2012
      AdaCore Ada Web Services (AWS) before 2.10.2 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters. […]
      nvd@nist.gov
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