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| 2014-07-28 | 2014-08-04 | ||
| 5.6 bug 160 webdav (martin) | american spelling + typo (martin) | ||
| Line 26: | Line 26: | ||
| WinSCP implements two methods for keepalives. For SFTP and SCP, the basic option is to send SSH-level keepalives implemented by null SSH packets (SSH ignore messages). Some servers may be configured not to count these packets as data and thus they will still disconnect clients sending them. Also if you use SSH-1 and your server suffers [[ui_login_bugs#chokes_on_ssh-1_ignore_messages|"SSH-1 ignore message" bug]], this method will not work. | WinSCP implements two methods for keepalives. For SFTP and SCP, the basic option is to send SSH-level keepalives implemented by null SSH packets (SSH ignore messages). Some servers may be configured not to count these packets as data and thus they will still disconnect clients sending them. Also if you use SSH-1 and your server suffers [[ui_login_bugs#chokes_on_ssh-1_ignore_messages|"SSH-1 ignore message" bug]], this method will not work. | ||
| - | As an alternative WinSCP can send dummy commmands of the transfer protocol instead. For SFTP it is implemented as canonisation of path ''/''. For SCP it is implemented as ''echo'' command.((With SCP this keepalive method does not work while WinSCP waits for user prompt in the middle of file transfer.)) For FTP it is the only option and is implemented as randomly selected FTP protocol command with no effect. | + | As an alternative WinSCP can send dummy commands of the transfer protocol instead. For SFTP it is implemented as canonization of path ''/''. For SCP it is implemented as ''echo'' command.((With SCP this keepalive method does not work while WinSCP waits for user prompt in the middle of file transfer.)) For FTP it is the only option and is implemented as randomly selected FTP protocol command with no effect. |
| The option is not available with [[webdav|WebDAV protocol]]. | The option is not available with [[webdav|WebDAV protocol]]. | ||