FTP 125 Data Connection Open vs 552 Exceeded Storage Allocation
FTP 125 (Data Connection Open) is a 1xx Positive Preliminary response, while 552 (Exceeded Storage Allocation) is a 5xx Permanent Negative response. 125 indicates that the data connection is already open and the transfer is beginning. No need to open a new data connection. In contrast, 552 means that requested file action aborted. Exceeded storage allocation for the current directory or dataset. The user's quota has been reached.
Описание
The data connection is already open and the transfer is beginning. No need to open a new data connection.
Когда вы это видите
When the server reuses an existing data connection for a file transfer instead of opening a new one.
Как исправить
No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection.
Описание
Requested file action aborted. Exceeded storage allocation for the current directory or dataset. The user's quota has been reached.
Когда вы это видите
When uploading a file that would exceed your disk quota or the directory's storage limit configured by the server administrator.
Как исправить
Delete unnecessary files to free up quota, or request a quota increase from the server administrator.
Ключевые различия
125 is a 1xx Positive Preliminary response, while 552 is a 5xx Permanent Negative response.
FTP 125: The data connection is already open and the transfer is beginning. No need to open a new data connection.
FTP 552: Requested file action aborted. Exceeded storage allocation for the current directory or dataset. The user's quota has been reached.
You encounter 125 when when the server reuses an existing data connection for a file transfer instead of opening a new one.
You encounter 552 when when uploading a file that would exceed your disk quota or the directory's storage limit configured by the server administrator.
Когда что использовать
For 125 (Data Connection Open): No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection. For 552 (Exceeded Storage Allocation): Delete unnecessary files to free up quota, or request a quota increase from the server administrator.