Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 599)

4.
Configure the port number.
Normally, set [ Port number setting ] to 00021 (for FTP/FTPS) or
00022 (for SFTP).
Select [
OK ] to go to the next screen.
Go to step 6 if you selected [ FTP ] or [ FTPS ] in step 1. Go to step 5 if
you selected [ SFTP ].
5.
Configure the SSH login authentication settings.
Select [ User name ] and [ Password ] to access the virtual keyboard
( ) and enter the user name and password for SSH password
authentication.
Select [
OK ] to go to the next screen.
6.
Configure the passive mode setting.
Not displayed if you selected [ SFTP ] in step 1.
Select [ OK ] to go to the next screen.
If an Error 41 (Cannot connect to FTP server) is displayed in step 9,
setting [
Passive mode ] to [ Enable ] may resolve it.
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