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.
Descrição
The data connection is already open and the transfer is beginning. No need to open a new data connection.
Quando você o vê
When the server reuses an existing data connection for a file transfer instead of opening a new one.
Como corrigir
No fix needed — the transfer is starting immediately. Your client should begin reading or writing data on the existing connection.
Descrição
Requested file action aborted. Exceeded storage allocation for the current directory or dataset. The user's quota has been reached.
Quando você o vê
When uploading a file that would exceed your disk quota or the directory's storage limit configured by the server administrator.
Como corrigir
Delete unnecessary files to free up quota, or request a quota increase from the server administrator.
Diferenças principais
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.
Quando usar qual
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.