This is the default example configuration of openssh-server provided by OpenSSH. This config file was generated by OpenSSH running on Ubuntu 14.04.
It is located under: /etc/network/if-up.d/openssh-server
#! /bin/sh
# Reload the OpenSSH server when an interface comes up, to allow it to start
# listening on new addresses.
set -e
# Don't bother to restart sshd when lo is configured.
if [ "$IFACE" = lo ]; then
exit 0
fi
# Only run from ifup.
if [ "$MODE" != start ]; then
exit 0
fi
# OpenSSH only cares about inet and inet6. Get ye gone, strange people
# still using ipx.
if [ "$ADDRFAM" != inet ] && [ "$ADDRFAM" != inet6 ]; then
exit 0
fi
# Is /usr mounted?
if [ ! -e /usr/sbin/sshd ]; then
exit 0
fi
if [ ! -f /var/run/sshd.pid ] || \
[ "$(ps -p "$(cat /var/run/sshd.pid)" -o comm=)" != sshd ]; then
exit 0
fi
# We'd like to use 'reload' here, but it has some problems; see
# #502444.
invoke-rc.d ssh restart >/dev/null 2>&1 || true
exit 0
Download the raw file with wget or curl
wget -O openssh-server.example http://exampleconfig.com/static/raw/openssh/ubuntu14.04/etc/network/if-up.d/openssh-server
curl http://exampleconfig.com/static/raw/openssh/ubuntu14.04/etc/network/if-up.d/openssh-server > openssh-server.example
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