Spoofing

Spoofing is the obtaining of information by faking the own identity. In IT-Security a distinction is drawn between:

  • IP Spoofing, Address Spoofing (Allegation of a wrong IP address)
    Countermeasure: packetfilter
  • DNS Spoofing (Interspersing of a wrong IP assignment into the DNS communication system - Cache Pollution)
    Countermeasure: digital signature while exchanging DNS entries
  • ARP Spoofing (Interspersing of a wrong IP-MAC assignment in the Ethernet; overwriting by push technique)
    Countermeasure: Replacing the ARP cache with a list saved in a file.
  • RIP Spoofing (Redirecting of the Data streams by interspersing wrong routing information)
    Countermeasure: Set the right kernel parameter
  • WWW Spoofing (URL rewriting, man in the middle attack)
    Countermeasure: Check the certificates of encrypted connections

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