I'm having a problem setting up SFTP with an Ubuntu Server 10.04 LTS x64.
I use openSSH with public key authentication, I can login with SSH perfectly with the keys no problem. I can also connect to the FTP server, but I can't write, download or any files from the folder.
Users:
thomas
thomas_filetransfer (home directory is "/" and is part of group "filetransfer")
Groups:
filetransfer
/etc/ssh/sshd_config
:
Not all, just the essentials for SFTP configuration:
Protocol 2
HostKey /etc/ssh/ssh_host_rsa_key
LogLevel VERBOSE
PermitRootLogin no
RSAAuthentication yes
PubkeyAuthentication yes
AuthorizedKeysFile /etc/ssh/authorized_keys #might be the problem?
IgnoreRhosts yes
RhostsRSAAuthentication no
HostbasedAuthentication no
PermitEmptyPasswords no
ChallengeResponseAuthentication no
PasswordAuthentication yes
X11Forwarding no
UsePAM no
UseDNS no
AllowUsers thomas thomas_filetransfer
Subsystem sftp internal-sftp
Match group filetransfer
ChrootDirectory /var/www
X11Forwarding no
AllowTcpForwarding no
ForceCommand internal-sftp
File permissions:
/var/www = owner = root, group = root, permissions = rwxr-x--- (750)
/etc/ssh = owner = root, group = root, permissions = rwxr-xr-x (755)
/etc/ssh/authorized_keys = owner = root, group = root, permissions = -rw-r--r-- (600)
And again, SSH is working perfectly. I set up the private and public keys and they work, SFTP login works also, but when I try to upload/download a file, it get's wrong.
When I authenticate with my ssh box from a remote box I found this in my /var/log/auth.log file, don't know if anything has to do with it anyway:
Connection from 192.168.124.1 port 54993
Failed none for thomas_filetransfer from 192.168.124.1 port 54993 ssh2
Found matching RSA key: b4:a3:3d:18:b9:30:0c:60:e6:2b:31:47:a9:8d:1d:53
Found matching RSA key: b4:a3:3d:18:b9:30:0c:60:e6:2b:31:47:a9:8d:1d:53
Accepted publickey for thomas_filetransfer from 192.168.124.1 port 54993 ssh2
User child is on pid 849
The second line says "failed none for ..."