FTP Terminology and Information

150 file is in good condition, open data connection
200 Command success
202 Command not implemented
211 System State or system help response
212 Directory Status
213 File Status
214 Help information, information only useful to human users
215 Name System Type
220 ready for new User Service
221 Service Shutdown control connection, can exit login
225 Data connection open, no transfer in progress
226 The data connection is turned off, the requested file operation succeeded
227 into passive mode
230 User Login
250 requested file operation completed
257 Creating "PATHNAME"
331 username is correct, requires password
332 Require account information at logon
350 requested file operation requires further command
421 Too many connection users
425 Cannot Open data connection
426 Close the connection, abort the transmission
450 The requested file operation was not performed
451 Abort The requested operation: there is a local error
452 the requested operation was not performed: there is not enough storage space in the system
500 format error, command not recognized
501 Parameter Syntax error
502 Command not implemented
503 Command Order Error
504 The command feature under this parameter is not implemented
530 Account or password error
532 storage files require account information
550 the requested operation was not performed
551 Request Action aborted: page type unknown
552 requested file operation aborted, storage allocation overflow
553 The requested operation was not performed: file name is not valid


400-bad Request failed requests error (one of the most common errors)
The problem is that the URL you typed is faulty. It is possible that the server you are connecting to does not recognize the document you are requesting to browse, or that you do not have access to it or even that it simply does not exist. Carefully check whether you write the URL wrong, including the case (the general URL is not case-sensitive, but some special text file exceptions), symbols or more dozen spaces. This is the most common type of error.
401-unauthorized not certified Error
You may have access to a password-protected site and you have entered a password that is incorrect. First you need to verify that you have access to the site (usually with a username and password), that the password is strictly case-sensitive, and generally not anonymous.
403-forbidden Prohibit access errors
You may not have the right to access this document, sometimes some pages are not allowed to access directly (no link to the above page), of course, there is the possibility of password protection. Then you need to go back to the previous page and enter the password before you can access it.
404-not found did not find the error (most common error bis)
This is the access error that we often encounter. First of all, it may be that your URL has errors (missing words, case, symbol differences, etc.), or the end of the URL extension is not correct, of course, there may be this address or the page does not exist. Go to the previous page to see if the page has been moved or canceled. Try deleting a directory tree level from the back and gradually finding the parent directory that you can access.
500-server Error Server errors
Usually it is the other side of the Web page design error, may be modified and uploaded pages, waiting for the other page to correct the error and then try again.
503-service Unavailable Service Unavailable error (common error three)
There are many possibilities: Your ISP server crashes, your company's gateway is broken (if you're using a unit's LAN), or your own system has a problem. The best way is to wait and try again, if you still do not go to see your machine, ask the network administrator.
Bad file request error files requests
Your browser requires access to special forms of files and documents, such as data fields and Drop-down lists, but the pages you visit do not have these forms, or the form is faulty. You only have to notify the administrator to update the form.
Socks Error Proxy Server errors
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This is the most common error on a client computer in a proxy environment because of a connection timeout, a proxy server has been turned off, or the online has been disconnected. Consult the server administrator to find the appropriate error and resolve it against.
Request Time Out Connection Timeout error (common error five)
Connection timeout, the main reason may be your network speed is too bad, or you set the timeout in the browser option, or because of the server problem, try more.
An unexpected web error occurred unpredictable web page errors
There are many reasons for this error and there are no detailed explanations and solutions. Only use the above mentioned step by step access to the parent directory, or give up.
Cannot add form submission results to bookmark list
When you search for a bunch of URLs and want to save the results to a bookmark, you may not be able to add it to a bookmark because you get a Dynamic Web page. You can save the results page as an HTML file on your hard drive.
Failed DNS Lookup DNS lookup failure error
DNS (domain Name System) is used to translate the URL into a legitimate Internet physical address, this error may be you enter the address error, check the loss
Address, and then try again.
file contains no data file no content error
The site you visit is correct, but there is no Web page, only try several times to see.
Connection refused by host hosts deny connection
It may be that you have no access to this site, or that it denies access to your IP (or IP segment),
It may also be the result of password protection.
Viewer not found unable to find viewers error
There are a variety of files on the web, such as sound files, compressed files, animation files. If your browser does not define the relevant software, you will not be able to access it. The simple solution is to download and install the relevant software.
Unable to locate cannot locate server errors
You may have entered a problem with the URL, or the server does not exist, or the server has been canceled (at this point, there will be a page prompts you to go to the corresponding page). Re-check the address you entered and try again.
Host unavailable hosts are not available for errors
It is possible that the host crashed. Wait a moment, refresh and look again.
Network connection is refused by the server denied a network connection error requiring access to the "a" device too many users to answer your request. Only to keep on refreshing
and try again.
Host unknown cannot find error
Typically, the server freezes, or your network connection is interrupted.


Ii. common errors and resolutions in FTP, newsgroups, foxmail and oe, cuteftp, netants
connet:10061 Not connected
The connection fails or is not connected, or the host you are connecting to does not provide the FTP service at all.
Not connet,access deny deny connection access error
Cannot login and access anonymously, you must provide a username and password to log in. You only have to apply for a username to get into the mainframe.
Bad target URL destination URL error
The most common mistake in using the network ant netants is that your job has a problem with the URL address, you may have a problem with your input, or you may have a connection error on the server.
Too Many users too many
The error that occurs when you log on to FTP. This is due to the number of users accessing the FTP site, you can go to the site's mirror site to try.
Can ' t log on as a anonymous user you cannot log on as anonymous
Some FTP sites allow access through anonymity (that is, by using a anonymous username and password), but some only allow their members (with specific user names and passwords) to access them. Another possibility is that your browser does not support anonymous FTP access, and you can access it using specialized FTP software such as CuteFTP.
Permission denied denied access
When you try to upload a file to an FTP site, there is no permission or the site is too busy.
The NNTP server error newsgroup server error
When you try to log in to a news discussion group, the error may be caused by a server shutdown or a disconnected connection.
Too many connections--try again later too many connections, wait a second and try again.
This is also due to the user too much error message, you have another time to visit it!
The Receive and send data error received or sent errors
When using Foxmail or Outlook Express, the connection to the server is accidentally interrupted due to poor line quality.
Connect Server fail Connection failed
When you use Foxmail or Outlook Express, you cannot connect to your mail server. Please check that you are connected to your ISP or that the network is disconnected, and this can happen if the mail server is turned off or too busy.
Can "t resolve server address cannot resolve
When using Foxmail or Outlook Express, resolving server addresses fails, usually because the DNS server is not connected, or the POP3 (SMTP) server name is incorrectly written, and the server setting parameters for the mailbox are corrected.
The actual size of downloading file is unknown download size cannot be determined
This is a bug for netants because netants must know the size of the file before downloading the file because the server's answer does not include the file size. will be improved in later versions.
Warning the server says 553 sorry,that domain isn "t in my list of allowed send mailbox address error
The error that occurs when you use Outlook Express and Foxmail is that the SMTP server does not accept the e-mail address you are sending. Typically, some free mail servers only accept e-mail addresses that are sent to it. Workaround: Replace an SMTP server address.