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GatewayPorts
Specifies whether remote hosts are allowed to connect to ports
forwarded for the client. By default, sshd binds remote port
forwardings to the loopback address. This prevents other remote
hosts from connecting to forwarded ports. GatewayPorts can be
used to specify that sshd should allow remote port forwardings to
bind to non-loopback addresses, thus allowing other hosts to con-
nect. The argument may be “no to force remote port forward-
ings to be available to the local host only, “yes to force
remote port forwardings to bind to the wildcard address, or
“clientspecified to allow the client to select the address to
which the forwarding is bound. The default is “no.