Explanation
The PROT command has requested
a data protection level that is unknown to the FTP server. The request
to set the level is rejected. The level specified on the command
must be one character long. The following list shows the valid level
names:
- C
- Clear
- P
- Private
- S
- Safe
System action
FTP continues.
User response
Reissue the PROT command
with one of the valid level names.
System programmer response
None.