Resolving Password Prompting Issues with LFTP Connections using SSH Key Authentication on CentOS 7
In this article, we will discuss how to resolve password prompting issues with LFTP connections using SSH key authentication on CentOS 7. Specifically, we will cover how to configure a CentOS server (server1) and a client (client1) to connect to an LFTP server using SSH key authentication without being prompted for a password.
Prerequisites
- Two CentOS 7 servers with LFTP installed
- SSH key pair generated for client1
Configure SSH Key Authentication
To configure SSH key authentication, follow these steps:
- Copy the public key from client1 to server1:
ssh-copy-id -i ~/.ssh/id\_rsa.pub user1@server1- Set the correct permissions for the SSH directory and files:
# On client1
chmod 700 ~/.ssh
chmod 600 ~/.ssh/id\_rsa
# On server1
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized\_keys
Configure LFTP to Use SSH Key Authentication
To configure LFTP to use SSH key authentication, follow these steps:
- Create a new LFTP configuration file:
vi ~/.lftp/rc- Add the following lines to the configuration file:
set sftp:connect-program "ssh -o StrictHostKeyChecking=no -i ~/.ssh/id\_rsa"
set sftp:ssl-allow no
Test the LFTP Connection
To test the LFTP connection, use the following command:
lftp user1@server1If the SSH key authentication is configured correctly, you should be able to connect to the LFTP server without being prompted for a password.
In this article, we discussed how to resolve password prompting issues with LFTP connections using SSH key authentication on CentOS 7. Specifically, we covered how to configure a CentOS server (server1) and a client (client1) to connect to an LFTP server using SSH key authentication without being prompted for a password. By following the steps outlined in this article, you should be able to configure LFTP to use SSH key authentication and avoid password prompting issues.