FTP ports

[Pat]

For FTP on a W2K machine, do I need port 20 open, what is this port
for?

 

[Mahmood Ali]

It for FTP control data. You will need both 20 and 21 open if you are
allowing FTP access

 

[Pat]

thanks for the response

It for FTP control data. You will need both 20 and 21 open if you are
allowing FTP access

 

[Eric Shen [MSFT]]

Hi Pat,

For your reference, you can check the detailed FTP information on the
following article:

283679 Information About the IIS File Transmission Protocol (FTP) Service
http://support.microsoft.com/?id=283679

Port 20 is used for a connection established in FTP active mode.

Regards,

Eric Shen
Product Support Services
Microsoft Corporation

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