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Top Forums UNIX for Advanced & Expert Users Connect direct - SFTP - List of servers that I can connect Post 303041452 by Chubler_XL on Sunday 24th of November 2019 03:39:11 PM
Old 11-24-2019
I believe IBM connect direct uses a proprietary protocol which is separate to and incompatible with SFTP.

Quote:
I was under the impression that SFTP will be successful between the servers only for which connect-direct is configured (atleast at server-level and not user-id level) between them.
SFTP runs over SSH and is used on thousands of systems around the world that don't have connect direct installed or configured.

Here are some answers to you specific numbered questions.
  1. SFTP is just a file transfer mechanism that runs over the SSH protocol. If you have SSH access to a computer you would normally also have SFTP access. If you have a password for an account on a remote computer that's running SSH and PasswordAuthentication is enabled (Servers can be configured to only allow public key authentication), and the User/Group is enabled for SSH access the you will be able to use SFTP. There is no file that lists all the servers you can access, but for each server you can check if password authentication is allowed and which users/groups have access.
  2. SFTP uses SSH for connection and transmission authentication can be configured to use password or public/private keys or both.
  3. What do you mean by refer? The starting directory for SFTP is configurable but defaults to the local account's home directory.
  4. Yes in the sshd_config on the target machine you can specify DenyUsers DenyGroups AllowUsers AllowGroups to control which accounts have access.
  5. direct connect uses it's own protocol which many have public/private keys but I would expect these would be separate to the SSH public/private keys.
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libssh2_sftp_unlink_ex(3)					  libssh2 manual					 libssh2_sftp_unlink_ex(3)

NAME
libssh2_sftp_unlink_ex - unlink an SFTP file SYNOPSIS
#include <libssh2.h> #include <libssh2_sftp.h> int libssh2_sftp_unlink_ex(LIBSSH2_SFTP *sftp, const char *filename, unsigned int filename_len); int libssh2_sftp_unlink(LIBSSH2_SFTP *sftp, const char *filename); DESCRIPTION
sftp - SFTP instance as returned by libssh2_sftp_init(3) filename - Path and name of the existing filesystem entry filename_len - Length of the path and name of the existing filesystem entry Unlink (delete) a file from the remote filesystem. RETURN VALUE
Return 0 on success or negative on failure. It returns LIBSSH2_ERROR_EAGAIN when it would otherwise block. While LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se. ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed. LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket. LIBSSH2_ERROR_SOCKET_TIMEOUT - LIBSSH2_ERROR_SFTP_PROTOCOL - An invalid SFTP protocol response was received on the socket, or an SFTP operation caused an errorcode to be returned by the server. SEE ALSO
libssh2_sftp_init(3) libssh2 0.15 1 Jun 2007 libssh2_sftp_unlink_ex(3)
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