Connect direct - SFTP - List of servers that I can connect Post: 303041449

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Top Forums UNIX for Advanced & Expert Users Connect direct - SFTP - List of servers that I can connect Post 303041449 by chill3chee on Sunday 24th of November 2019 12:20:14 PM

11-24-2019

Registered User

Connect direct - SFTP - List of servers that I can connect

Greetings Experts,

I am working for a bank client and have a question on connect-direct and SFTP.

We are using Linux RedHat servers. We use connect-direct to transfer (NDM) files from one server to another server. At times, we manually transfer the files using SFTP from one server to another server. We have a portal for connect-direct to check the list of nodes/servers configured to send/receive the files on a specific server.

With above given information..

I had a requirement to transfer a file from SIT environment to PROD environment (I know its not correct way, but due to un-avoidable situation did it). I had checked whether the connect-direct is configured between the 2 servers and confirm that they are not configured (verified netmap entries also). As no other alternative, I tried SFTP and transferred the file using SFTP successfully.

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.

I am not able to understand on below. Can you please help to explain.

Questions:

1. As SFTP successful, how can I know the list of servers I can successfully transfer through SFTP. Is there any file which contains the list of servers that can be connected to. Or is that I can connect to any servers through SFTP without any issues if I have the passwords.

2. Does SFTP also use the public and private keys for connections and transmission.

3. For SFTP, will it refer to both specified user-id home-directories on source and target servers or only on source server or only on target server.

4. Is there any way to restrict the users have SFTP access and allow only the specified users to have SFTP access.

5. Does connect-direct also use the public and private keys for connection establishment.

Thank you for your valuable suggestions and time.

chill3chee

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LEARN ABOUT DEBIAN

libssh2_sftp_unlink_ex

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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