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I have a VPS Box running on CentOS 6.5 with vsftpd.

I have setup a user account for login with username/password.

My customer now sent me a id_rsa_2048.pub key which he wants to use for authentication instead of username/password combination for his username let's say "testaccount".

What do i have to change in my vsftpd config to authenticate against his certificate?

Andreas Hinderberger
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  • This sounds like a possible miscommunication. It appears your client wants to use SSH File Transfer Protocol with public key authentication, which is a complete different protocol from regular (or SSL secured) FTP for which you would use vsftpd. http://en.m.wikipedia.org/wiki/SSH_File_Transfer_Protocol – HBruijn Nov 03 '14 at 19:06
  • he wrote SFTP in his mail – Andreas Hinderberger Nov 03 '14 at 19:11
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    In CentOS sftp is supported by the OpenSSH server in `/etc/ssh/sshd_config` a recipe is here https://wiki.archlinux.org/index.php/SFTP_chroot – HBruijn Nov 03 '14 at 19:19

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