- The SSH chroot does not work with pam_chroot when there is no mounted /proc inside the chroot.

Solution Unverified - Updated -

Issue

  • SSH chroot using pam_chroot.so does not work when there is no mounted /proc inside the chroot. The ssh server throws the following error in /var/log/secure:
Aug xx xx:xx:xx hostname sshd[11735]: fatal: openpty returns device for which ttyname fails.

while the client shows the following error and disconnects:

Connection to localhost closed by remote host.
Connection to localhost closed.

Environment

  • glibc-2.5-81.el5_8.4

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