upstream commit

mux-related manual tweaks

mention ControlPersist=0 is the same as ControlPersist=yes

recommend that ControlPath sockets be placed in a og-w directory

ssh_config.5

@@ -33,8 +33,8 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $OpenBSD: ssh_config.5,v 1.194 2014/10/09 06:21:31 jmc Exp $
-.Dd $Mdocdate: October 9 2014 $
+.\" $OpenBSD: ssh_config.5,v 1.195 2014/11/10 22:25:49 djm Exp $
+.Dd $Mdocdate: November 10 2014 $
 .Dt SSH_CONFIG 5
 .Os
 .Sh NAME
@@ -537,7 +537,8 @@ by a hash of the concatenation: %l%h%p%r.
 It is recommended that any
 .Cm ControlPath
 used for opportunistic connection sharing include
-at least %h, %p, and %r (or alternatively %C).
+at least %h, %p, and %r (or alternatively %C) and be placed in a directory
+that is not writable by other users.
 This ensures that shared connections are uniquely identified.
 .It Cm ControlPersist
 When used in conjunction with
@@ -550,7 +551,9 @@ If set to
 then the master connection will not be placed into the background,
 and will close as soon as the initial client connection is closed.
 If set to
-.Dq yes ,
+.Dq yes
+or
+.Dq 0 ,
 then the master connection will remain in the background indefinitely
 (until killed or closed via a mechanism such as the
 .Xr ssh 1