Phonenet diagnostics



  • by programme telnet Check it out. accessible Whether the specified tcp-port in the vehicle, and listen. Is this port a program?


    Canon responses with examples for different operational systems and programme performance are welcomed telnet



  • unix-like operating systems

    It is likely that bsd- and gnu-realizations are most likely to be found here: https://packages.debian.org/ru/source/sid/netkit-telnet and https://packages.debian.org/ru/source/sid/inetutils . for this diagnosis, the difference between them is not material.


    example of failure to connect to port 12345 on some of the servers whose name will be removed github.com:

    $ telnet github.com 12345
    Trying 192.30.253.113...
    

    The failure of an attempt can be interrupted with help ctrl+c


    Example of successful connection to the same server at port 22:

    $ telnet 192.30.253.113 22
    Trying 192.30.253.113...
    Connected to 192.30.253.113.
    Escape character is '^]'.
    SSH-2.0-libssh-0.7.0
    

    The last line here is information from a program that listens to 22 ports on the requested server.

    If the compound was not immediately disbanded by the listening programme (which depends on its implementation and on the construction of the connection), the interruption of the petnet session is possible by launching the proposed combination of the programme. ctrl+]And then the key. enterafter which the programme will be invited telnet:

    telnet>
    

    where a team can be established q (or full) quitand press the key enter♪

    Microsoft Windows

    Actions are almost identical for unix-like LOs. Windows has a built-in telnet client, but it can be off. To include it, we need to take steps, https://technet.microsoft.com/en-us/library/6da83bed-c357-4dd7-af1e-26cc2f6c0364 ♪

    When it's done, you can start a telnet-client.

    Busk - Implement - telnet - Okay.

    The following lines will be visible in the open console window:

    Welcome to Microsoft Telnet Client
    Escape Character is 'CTRL+]'
    Microsoft Telnet> 
    

    To try to open a particular address and port, you need to write a letter. oand then the address and the port. For example:

    Microsoft Telnet> o github.com 12345
    



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