Christoph Anton Mitterer via github
.\" (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 1.264 2018/02/10 06:40:28 djm Exp $
+.\" $OpenBSD: ssh_config.5,v 1.265 2018/02/10 09:03:54 djm Exp $
.Dd $Mdocdate: February 10 2018 $
.Dt SSH_CONFIG 5
.Os
.Pp
To disable TCP keepalive messages, the value should be set to
.Cm no .
+See also
+.Cm ServerAliveInterval
+for protocol-level keepalives.
.It Cm Tunnel
Request
.Xr tun 4