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Basic Networking question

Discussion in 'Networking' started by tafree, Feb 13, 2007.

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  1. tafree

    tafree Thread Starter

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    Hi Everyone,

    I have a question relating to FTP. They say that FTP is out-of-band meaning uses separate control connection and data connection. I wanted to know what's the advantage and disadvantge of it being an out-of-band?

    Thanks
     
  2. renegade X

    renegade X

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    Advantage is that is is not travelling over the same protocol as most of your other apps (TCP). Disadvantage is that the data may be lost if the application can not keep it.

    I am a FTP fan.
     
  3. tafree

    tafree Thread Starter

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    Hi renegade X,

    You said its not travelling on the same protocol, what exactly is the protocol?
    What if FTP used one connection for both contol and data, would that be good or bad? What would be the difference?

    Thanks,
     
  4. renegade X

    renegade X

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    Think of protocol as a highway.
    TCP and FTP will never collide.
     
  5. tafree

    tafree Thread Starter

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    I think i know what you mean.

    I do have another question, if you dont mind :)

    what are the benefits of SMTP server accepting coonections from hosts it can identify as SMTP servers?

    Thanks,
     
  6. renegade X

    renegade X

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    I would have to say security. If you are setting up an Exchange server, you should use this setting.
     
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