What is a 421 error code?
The request was directed at a server that is not able to produce a response. This can be sent by a server that is not configured to produce responses for the combination of scheme and authority that are included in the request URI.
What is FTP response code?
The FTP status code and the FTP substatus code are recorded in the FTP log. The FTP status and substatus code may indicate whether a request is successful or unsuccessful. The FTP status and substatus code may also reveal the exact reason that a request is unsuccessful.
When a website is having issues on the server side what number does the HTTP status code start with?
Response status codes beginning with the digit “5” indicate cases in which the server is aware that it has encountered an error or is otherwise incapable of performing the request.
What is a 412 error?
The HyperText Transfer Protocol (HTTP) 412 Precondition Failed client error response code indicates that access to the target resource has been denied.
What is a 420 error?
420 Method Failure (Spring Framework) A deprecated response used by the Spring Framework when a method has failed.
What is a 425 FTP response code?
425 FTP Response code. A 425 response code may be sent in response to any command requiring the usage of a data connection if the server is unable to open a data connection. This is considered a transient negative reply as it is considered to be a temporary condition.
How to fix FTP error 421?
Under the Select Entry section, choose your site, then tap the Transfer Settings tab. Tick the Limit number of simultaneous connections box and fill out the Maximum number of connections field with your preferred amount of connections. Click OK to save the settings. Reconnect and see if FTP error 421 is gone. Note!
What is a 421 response code?
It is considered a transient negative response, which means the client is encouraged to issue the same command again at a later time when it can be accepted. 421 Service not available, closing control connection. A 421 response code may be given in response to any FTP command or connection attempt if the FTP server knows it must shut down.
What does the first digit of the FTP response code mean?
Following are the meaning of the values for the first digit of the FTP response code. The requested action is being initiated, expect another reply before proceeding with a new command. A positive completion reply.