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guessnet-scan (8)
  • >> guessnet-scan (8) ( Linux man: Команды системного администрирования )
  •  

    NAME

    guessnet-scan - guess network configuration data by looking at network traffic
     
    

    SYNOPSIS

    guessnet-scan [options] [ethernet_interface]
     

    DESCRIPTION

    Guessnet-scan tries to deduce network configuration data by watching network traffic at a given Ethernet interface. After scanning network traffic for some time, guessnet-scan prints a configuration string suitable for inclusion in /etc/network/interfaces. Note that guessnet-scan uses heuristics and wild guesses and that the resulting data is not guaranteed to be accurate. The program is intended to be used as a first try at getting network configuration data without bothering anyone.

     

    OPTIONS

    Options follow the usual GNU conventions,
    --debug
    Print debugging messages.
    --help
    Show a brief summary of commandline options.
    --init-time=int
    Time in seconds to wait for the interface to initialize when it is not found already up at program startup. Default: 3 seconds.
    -t, --timeout=int
    Time in seconds to watch for network traffic. Default: 5 seconds.
    -v, --verbose
    Operate verbosely.
    --version
    Show the version number of the program.

     

    SCANNING REQUIREMENTS

    To correctly identify all data of the local network, guessnet-scan needs to see traffic related to a host in the local network and to the local gateway, if any. To be able to identify the network gateway, guessnet-scan also needs to see some traffic directed to the external network: you can help the detection by generating some outbound IP traffic during the scan, for example by browsing a web page (without proxy) or using telnet to open a connection to some remote host. Note that if you are connected to a switch, guessnet-scan won't probably be able to work, since the switch will isolate it from the network traffic that the other machines are generating.

     

    SEE ALSO

    guessnet(8), interfaces(5).

     

    AUTHOR

    Guessnet-scan was written by Enrico Zini <[email protected]>.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    SCANNING REQUIREMENTS
    SEE ALSO
    AUTHOR


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