How can I chroot SFTP-only SSH users into their homes?
When accessing using sshfs with the netdrive user because of chroot configuration I would only see things stored inside server’s /home/netdrive/ directory, perfect. The repeated /home/netdrive/home/netdrive/ directory structure is what made it work for me in having a clean chroot ssh writable solution.
Why does SSHD not allow root to login?
PS. By default, sshd doesn’t allow root logins at all, because of PermitRoot no option. So normally you cannot sshfs root@remote_host. If you would like to test chown behavior via root, I would recommend to set PermitRoot without-password. This means that root can login when a public key is added to /root/.ssh/authorized_keys.
Why does chroot have to be owned by root?
All this pain is thanks to several security issues as described here. Basically the chroot directory has to be owned by root and can’t be any group-write access. Lovely. So you essentially need to turn your chroot into a holding cell and within that you can have your editable content.
How to mount a remote folder using SSHFS?
I use sshfs to mount a remote folder from another server to the local server. Mounting the remote folder works without a problem using the following command: The problem is that I cannot change the owner of the files using chown (regardless of root permissions) I always get: The user that accesses the folder is member of the fuse group.
How to create a chroot jail for SSH?
Start by creating the chroot jail using the mkdir command below: # mkdir -p /home/test. 2. Next, identify required files, according to the sshd_config man page, the ChrootDirectory option specifies the pathname of the directory to chroot to after authentication.
How to use SSHFS to share folders between servers?
If you add content to the shared folder /opt/sshfs_export on master server, don’t forget to set correct ownership to allow full access by the slave server (s): Alternatively, you can create /opt/sshfs also on the “master” server and mount the SSHFS folder there using 127.0.0.1 as the server IP.
How to create SSH key pair for Shared Folders?
This is because we added user_allow_other to fuse.conf, and specified allow_other in the SSHFS command below. Add user autossh and ensure it’s a member of the fuse group: Prepare the folder which will hold shared content: Switch to user autossh and create an SSH key pair for authentication: