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資訊安全─入門手冊 PowerPoint PPT Presentation


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資訊安全─入門手冊. 第 18 章 無線網路安全. 第 18 章 無線網路安全. 組織使用無線網路的情況越來越普及,主要是因為價格低廉和容易設定。 某些組織在比較更換建物線路的費用之後,轉向採用無線網路以節省更新線路工程的成本。 雖然無線網路可以節省可觀的費用,但是也為組織帶來更為嚴重的安全問題。 目前已經公佈許多可以用來處理竊聽和身份認證的安全機制標準,但是許多建置這些標準的商品,同樣也存在著許多嚴重的安全弱點。. 迄今,尚未出現真正完全解決無線網路風險的安全解決方案提案。 本章將要深入探討組織內部網路附掛無線網路得安全風險,以及認證組織管理這些風險的對策。

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資訊安全─入門手冊

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18


18


    • 18-1

    • 18-2

    • 18-3


18-1

  • local area networkLAN802.1xabg

  • 54MbpsLAN18-1


    • 18-1-1

    • 18-1-2

    • 18-1-3


18-1


18-1-1

  • wireless LANWLAN

  • 802.11x WLAN150

  • 1500


  • access pointAP

  • IPDHCP

  • WLAN

DHCPWLANIPIPWLANDHCP


  • WidnowsNovell NDS


18-1-2

  • WLAN

  • APAP

  • 802.11xWLANWired Equipment PrivacyWEP


  • WEP


  • WEPAP

  • MACAP

  • AP

  • WEP

  • APRC418-2


  • APAPAP


18-2 WEP


  • WEP

  • WEP

  • WEPCrackhttp://sourceforge.net/projects/wepcrack/


  • RC4

  • RC4

  • WEPRC4

  • RC4

  • 802.11x2


  • WEP40128

  • WEPWEP

WEP


  • WEP

  • WEP

  • WEPCrackhttp://sourceforge.net/projects/wepcrack/


  • RC4WEPRC4


  • WEP

  • 32cyclic redundancy checkCRC

  • CRCCRC

  • CRC12


  • WEPCRC

  • WEPCRC


18-1-3

  • WLANWLANWLAN

    • MAC

    • WEP

    • 802.1X


  • Service Set IdentifierDDID32

  • APSSID

  • SSID

  • SSIDAP

  • SSID

APSSIDSSID


MAC

  • APMAC

  • APMAC

  • APMACMAC

  • MAC


  • MACMACAP


WEP

  • WEP

  • APAP

  • WEP18-3


802.1X

  • 802.1xWLAN

  • WLANWEP802.1x

  • Authenticator

    • WLANAP


  • Supplicant

    • WLAN

    • 802.1xRADIUS

    • AP


  • Port access entityPAE

    • PAEPAE

  • Extensible Authentication ProtocolEAP

    • EAPRFC 2284EAP


  • 802.1x802.11xRADIUS

  • 802.1x

AP802.1x


  • 802.1x

  • MACWLAN


18-3 WEP


18-2

  • WLAN

    • 18-2-1 WLAN

    • 18-2-2

    • 18-2-3

    • 18-2-4


18-2-1 WLAN

  • WLAN

  • NetStumblerhttp://www.netstumbler.com/WindowsGlobal Positioning SystemGPSWLAN

  • WLANSSIDWEP


  • Kismethttp://www.kismetwireless.net/APMAC

  • WLAN

  • WLAN



18-2-2

  • WLAN18-4


18-4 WLAN


  • WEP


18-2-3

  • WLAN



  • 18-5

  • IPIP


18-5 WLAN



18-2-4

  • WLANWLAN


18-3

  • WLAN


    • 18-3-1

    • 18-3-2

    • 18-3-3

    • 18-3-4


18-3-1

  • AP

  • APWEP

  • MAC

  • AP


  • APSSID

  • AP

  • WebSNMP

  • HTTPSAP

  • AP


  • AP

WLAN


18-3-2

  • WEP

  • Internet

  • WEP

  • WEPWLAN

  • WLANWLAN


  • VPNWEP

WLANVPNWLAN


18-3-3

  • WLAN

  • WLANsniffer

  • WLAN

  • WLAN

  • WLAN


18-3-4

  • WLANWLANWLAN

  • 16WLANWLAN

  • WLANWLAN


  • WLAN

  • WLAN

  • 802.1xSSIDMAC


  • VPN

  • AP

  • AP


  • NetStumblerAP

  • APToolshttp://winfingerprint.sourceforge.net/aptools.phpFoundScanhttp://www.foundstone.com/


18WLAN

  • WLANWLAN

  • WLAN

  • WLAN


18

  • 1.

  • 2.WLAN

  • 3.

  • 4.AP


  • WLAN

  • CAT5WLAN

  • WLAN

  • WLAN


  • Login