How to connect to FTP server which requires SSL authentication?
Hello,
I tried searching through lot of threads for a solution but couldn't fetch the exact solution, so I am creating a new thread.
I am trying to connect to a FTP server
1) using a simple FTP command, it gives the error :
2) using SFTP command on port number 21
3) using curl command, it throws following error
I am stuck at this point and could not think of any solution. Let me know if I am missing out on anything here.
Thanks in advance & apologies if a similar thread already exist.
Regards,
Amit
Last edited by Scott; 11-09-2011 at 02:35 PM..
Reason: Code tags...
1. May be due to iptables or other firewalls. Try turning off the firewall and then ftp.
For turning off iptables, do /etc/init.d/iptables stop
2. SSH keys are not setup (Search for "passwordless ssh" in unix.com/google) or the SSH daemon is not running.
To start the ssh daemon /etc/init.d/sshd start
3. Same as 1.
Make sure the ftp daemon is running on the server. Mine is vsftpd.
To start the ftp daemon /etc/init.d/vsftpd start
Did you get information about the used protocol when you got username and password?
I'd try the easiest method first. Issue AUTH SSL before sending username and password in an normal ftp-session.
I never had to use FTP over SSH - its basically tunneling normal FTP over an ssh-connection.
For FTPS you need a client that can handle that protocol like lftp. Opening a connection with lftp could look like this:
Which option did you try? AUTH SSL or ftps?
For ftps you need a version of lftp compiled with tls support. This one for example supports ftps transfers:
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