Configure SSHD maxAuthTries, loginGraceTime, maxConnectionsPerUser

Enable the site administrator to control the SSHD server's limits by
defining how many times a user can prevent an SSH key before we give
up, how long the session is allowed to sit without authentication,
and how many sessions any single user may have.

Change-Id: Ia7da504caa6e741a412dc03cf0e2e167d6d4c612
Signed-off-by: Shawn O. Pearce <sop@google.com>
2 files changed