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Changes between Version 51 and Version 52 of help/en/howto/ftp

-                      v51
+                      v52
 == Problems ==
+=== Maximum number of connections ===
+Many servers limit the number of allowed connections with an error message like `530 Sorry, the maximum number of clients (10) from your host are already connected.`. Because FTP is a stateful protocol it requires opening separate connections when transferring files in parallel. Refer to [wiki:help/en/howto/transfer#Connections limit the number of connections] allowed for the file transfers.
 === Error opening data socket ===
 For data transfers and possibly file listings (depending on the features supported by the server), a second data connection must be opened using `PASV` or `PORT` commands which is referred to as a passive or active data connection.