Ftp 421 Error
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» FTP Status and Error Codes FTP Status and Error Codes Last Year GlobalSCAPE 5 CuteFTP for Windows THE INFORMATION IN THIS ARTICLE APPLIES TO: EFT Server all versions CuteFTP® all versions DISCUSSION During FTP sessions, servers send and receive various numbered codes to/from FTP clients. Some ftp error 421 too many connections codes represent errors, most others simply communicate the status of the connection. Below are ftp error 421 service not available brief explanations for the most common status and error codes. When determining a course of action, review the entire log; some codes ftp error codes are informational only, others indicate that you have entered the wrong information, and others indicate what the information is that you need to provide before continuing. For troubleshooting CuteFTP connection problems, also refer to Troubleshooting CuteFTP
Ftp Response 421 Received. Server Closed Connection.
Connection Problems. The table below is provided so that you have some idea whether you can solve the issue on your own (e.g., code 331=you need to provide a password) or you need to call your ISP for assistance (e.g., code 426=you are unable to connect to the remote server). These codes are used by most FTP servers/clients. NOTE: The information below is only offered as a courtesy to assist you in ftp error 426 telling your Internet Service Provider what the error is so that they can help solve your issue. For example, if you get a code 426, the transfer was aborted and the connection closed. The solution to this error is to "try logging back in; contact your hosting provider to check if you need to increase your hosting account; try disabling the firewall on your PC to see if that solves the problem. If not, contact your hosting provider or ISP." The list below contains standard FTP codes. Numbers outside this list are proprietary to the Server or Client that you are using. Code Description Discussion 100 Series The requested action was initiated; expect another reply before proceeding with a new command. 110 Restart marker reply. The text is exact and not left to the particular implementation; it must read "MARK yyyy = mmmm" where yyyy is User-process data stream marker, and mmmm server's equivalent marker (note the spaces between markers and "="). 120 Service ready in nn minutes. (Informational) 125 Data Connection already open; transfer starting. (Informational) 150 File status okay; about to open data connection. FTP uses two ports: 21 for sending commands, and 20 for sending data. A status code of 150 indicates that the server is about to open a new
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Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies http://serverfault.com/questions/155873/client-can-not-view-ftp-directory-windows-ftp-error-421 of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask http://unix.stackexchange.com/questions/90487/why-do-i-get-kicked-out-of-a-ftp-session-once-i-run-a-command Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a ftp error question Anybody can answer The best answers are voted up and rise to the top Client can not view FTP directory Windows FTP error 421 up vote 0 down vote favorite I am running Windows FTP server on 2003 machine. It is running in passive mode. I have set the passive ports to be 5500 - 5520. On The firewall I have opened ftp error 421 ports TCP 21 and 5500 - 5520. The scope is set to everyone. the problem I am having one of my clients can not view the folders when the firewall is up. If I drop the firewall it works for her. I can however connect and see the files and folders (using same login details, but a different location). Here is the logs when she tries to connect: 2010-06-28 14:10:12 84.201.189.58 gandgadmin MSFTPSVC1 NTDD2761 62.128.131.128 21 [186]USER gandgadmin - 331 0 0 0 0 FTP - - - - 2010-06-28 14:10:12 84.201.189.58 gandgadmin MSFTPSVC1 NTDD2761 62.128.131.128 21 [186]PASS - - 230 0 0 0 0 FTP - - - - 2010-06-28 14:12:36 84.201.189.58 gandgadmin MSFTPSVC1 NTDD2761 62.128.131.128 21 [185]closed - - 421 121 0 0 161438 FTP - - - - 2010-06-28 14:13:43 84.201.189.58 gandgadmin MSFTPSVC1 NTDD2761 62.128.131.128 21 [187]USER gandgadmin - 331 0 0 0 0 FTP - - - - 2010-06-28 14:13:43 84.201.189.58 gandgadmin MSFTPSVC1 NTDD2761 62.128.131.128 21 [187]PASS - - 230 0 0 0 0 FTP - - - - 2010-06-28 14:14:20 84.201.189.58 gandgadmin MSFTPSVC1 NTDD2761 62.128.131.128 21 [188]USER gandgadmin - 331 0
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Unix & Linux Questions Tags Users Badges Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Why do I get kicked out of a FTP session once I run a command? up vote 7 down vote favorite 4 Why do I get kicked out of a FTP session once I run a command? It seems that once I successfully login into a server is get the following after running a command such as "ls" (I've enclosed the error portion in the "[ERROR]" tags): allen92@allen92-VirtualBox:~/Videos$ ftp -n ftp.FreeBSD.org Connected to ftp.FreeBSD.org. 220 beastie.tdk.net FTP server (Version 6.00LS) ready. ftp> user (username) anonymous 331 Guest login ok, send your email address as password. Password: 230 Guest login ok, access restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. ftp> ls [ERROR] 421 Service not available, remote server has closed connection [ERROR] ftp> This seems to happen on any remote FTP server. Everything works fine when I login onto the local machine and run FTP commands. If in fact the "421" error is a generic error, is there any way to find out the source of the problem? Any leads on this would be appreciated. I haven't been able to find any support on this particular issue. Anybody with an similar problem please share your thoughts. NOTE: I have VSFTPD installed. ftp share|improve this question edited Apr 27 at 18:30 Anthon 47.5k1462125 asked Sep 13 '13 at 8:45 AllenD 3773612 add a comment| 2 Answers 2 active oldest votes up vote 7 down vote accepted There is most likely a NAT-firewall between you and the servers showing the symptom. (NAT-firewalls hide a whole network behind a single IP-number). The problem is that ftp wants to send the data resulting from the command in a ne