Putty Error Codes
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‘The first cipher supported by the server is ... below the configured warning threshold' 10.5 ‘Server sent disconnect message type 2 (SSH_DISCONNECT_PROTOCOL_ERROR): "Too many authentication failures for root"' 10.6 ‘Out of memory' putty help command line 10.7 ‘Internal error', ‘Internal fault', ‘Assertion failed' 10.8 ‘Unable to use this private key
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file', ‘Couldn't load private key', ‘Key is of wrong type' 10.9 ‘Server refused our public key' or ‘Key refused' 10.10 putty user manual ‘Access denied', ‘Authentication refused' 10.11 ‘Incorrect CRC received on packet' or ‘Incorrect MAC received on packet' 10.12 ‘Incoming packet was garbled on decryption' 10.13 ‘PuTTY X11 proxy: various errors' 10.14 ‘Network error: Software caused putty commands list pdf connection abort' 10.15 ‘Network error: Connection reset by peer' 10.16 ‘Network error: Connection refused' 10.17 ‘Network error: Connection timed out' Chapter 10: Common error messages This chapter lists a number of common error messages which PuTTY and its associated tools can produce, and explains what they mean in more detail. We do not attempt to list all error messages here: there are many which should never occur, and some
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which should be self-explanatory. If you get an error message which is not listed in this chapter and which you don't understand, report it to us as a bug (see appendix B) and we will add documentation for it. 10.1 ‘The server's host key is not cached in the registry' This error message occurs when PuTTY connects to a new SSH server. Every server identifies itself by means of a host key; once PuTTY knows the host key for a server, it will be able to detect if a malicious attacker redirects your connection to another machine. If you see this message, it means that PuTTY has not seen this host key before, and has no way of knowing whether it is correct or not. You should attempt to verify the host key by other means, such as asking the machine's administrator. If you see this message and you know that your installation of PuTTY has connected to the same server before, it may have been recently upgraded to SSH protocol version 2. SSH protocols 1 and 2 use separate host keys, so when you first use SSH-2 with a server you have only used SSH-1 with before, you will see this m
Free SFTP, SCP and FTP client for Windows News Introduction SSH Client SFTP Client FTP Client Download Install Donate Documentation Guides F.A.Q. Scripting .NET & COM Library Screenshots Translations Support Forum Tracker History [[sftp_codes]] WinSCP Contents » Getting Started » Protocols » SFTP » SFTP Status/Error Codes SFTP status/error codes silly putty instructions are a numerical codes that an SFTP server1) uses to indicate a result of a putty command line cheat sheet client request (i.e. a request sent by WinSCP to the server). WinSCP translates the numerical codes to a textual description for you, so
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you do not have to remember them. The SFTP server should also provide a meaningful textual description of the error itself. WinSCP includes the server-side description in its error message, labeled "Error message from server". Such description http://the.earth.li/~sgtatham/putty/0.58/htmldoc/Chapter10.html can include more detailed information than WinSCP can possibly deduce from the numerical code. Code 4 (Failure) Codes List References Code 4 (Failure) Note that not all servers use all codes. Most SSH/SFTP servers, including the most commonly used OpenSSH, support only SFTP version 3 that defines only codes 0 to 8. Advertisements: These servers would generally use code 4 (Failure) for many errors for which there is a specific code defined in the later versions https://winscp.net/eng/docs/sftp_codes of SFTP protocol, such as: Renaming a file to a name of already existing file. Creating a directory that already exists. Moving a remote file to a different filesystem (HDD). Uploading a file to a full filesystem (HDD). Exceeding a user disk quota. In this case the server is required to provide meaningful description of the error itself (see above). Unfortunately, OpenSSH SFTP server uses always description "Failure". Is such case, there is unfortunately no way to tell a reason of the failure. Codes List Code Name Description Comment 0 OK Indicates successful completion of the operation. 1 EOF An attempt to read past the end-of-file was made; or, there are no more directory entries to return. 2 No such file A reference was made to a file which does not exist. 3 Permission denied The user does not have sufficient permissions to perform the operation. 4 Failure An error occurred, but no specific error code exists to describe the failure. This error message should always have meaningful text in the the error message field. See above. 5 Bad message A badly formatted packet or other SFTP protocol incompatibility was detected. 6 No connection There is no connection to the server. This error may be used locally, but must not be return by a server. WinSCP does not use the code. 7 Connection lost The co
configuration but server only provides (old, insecure) SSH-1' 10.4 ‘The first cipher supported by the server is ... below the configured warning threshold' https://tartarus.org/~simon/putty-snapshots/htmldoc/Chapter10.html 10.5 ‘Server sent disconnect message type 2 (protocol error): "Too many authentication failures for root"' 10.6 ‘Out of memory' 10.7 ‘Internal error', ‘Internal fault', ‘Assertion failed' 10.8 ‘Unable to use this private key file', ‘Couldn't load private key', ‘Key is of wrong type' 10.9 ‘Server refused our public key' or ‘Key refused' 10.10 ‘Access denied', ‘Authentication refused' 10.11 ‘No command line supported authentication methods available' 10.12 ‘Incorrect CRC received on packet' or ‘Incorrect MAC received on packet' 10.13 ‘Incoming packet was garbled on decryption' 10.14 ‘PuTTY X11 proxy: various errors' 10.15 ‘Network error: Software caused connection abort' 10.16 ‘Network error: Connection reset by peer' 10.17 ‘Network error: Connection refused' 10.18 ‘Network error: Connection timed out' 10.19 ‘Network error: Cannot assign putty error codes requested address' Chapter 10: Common error messages This chapter lists a number of common error messages which PuTTY and its associated tools can produce, and explains what they mean in more detail. We do not attempt to list all error messages here: there are many which should never occur, and some which should be self-explanatory. If you get an error message which is not listed in this chapter and which you don't understand, report it to us as a bug (see appendix B) and we will add documentation for it. 10.1 ‘The server's host key is not cached in the registry' This error message occurs when PuTTY connects to a new SSH server. Every server identifies itself by means of a host key; once PuTTY knows the host key for a server, it will be able to detect if a malicious attacker redirects your connection to another machine. If you see this message, it means that PuTTY has not seen this host key before, and has no way of knowing whether it is correct or not.