New upstream version 3.1.1

packages/etc/n2n/edge.conf.sample

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+#
+#         The configuration file is similar to the command line, with one option per line. An equal
+#        sign '=' should be used between key and value. Example: -c=mynetwork or --community=mynetwork
+#        This file contains a basic configuration example, please refer to the help (-h) for the full
+#        list of available options.
+#
+#       -d|--tun-device
+#        Specifies the name of the TUN interface. 
+#
+-d=n2n0
+#
+#       -c|--community
+#        Specifies the n2n community name the edge belongs to.
+#
+-c=mynetwork
+#
+#       -k
+#        Sets the encryption key (ASCII). The environment variable N2N_KEY=<key> can also be used. 
+#
+-k=mypassword
+#
+#       -m
+#        Specified the MAC address for the TAP interface (random otherwise).
+#
+# -m=DE:AD:BE:EF:99:99
+#
+#       -a
+#        Sets the interface address. For DHCP use '-r -a dhcp:0.0.0.0'.
+#
+-a=1.2.3.4
+#
+#       -p
+#        Sets the local UDP port to a fixed port.
+#
+-p=50001
+#
+#       -l|--supernode-list
+#        Specifies the supernode IP and port.
+#
+-l=7.8.9.0:7777
+#

packages/etc/n2n/supernode.conf.sample

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+#
+#        The configuration file is similar to the command line, with one option per line. An equal
+#        sign '=' should be used between key and value. Example: -p=7777
+#        This file contains a basic configuration example, please refer to the help (-h) for the full
+#        list of available options.
+#
+#       -p
+#        Sets the UDP listening port. 
+#
+-p=7777
+#
+#        -c
+#        Optionally specifies the allowed communities as listed in community.list file.
+#
+# -c=community.list

packages/etc/systemd/system/edge-ntopng@.service.in

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+[Unit]
+Description=n2n edge process, on %I
+After=network-online.target syslog.target
+Wants=network-online.target
+BindsTo=ntopng.service
+
+[Service]
+Type=simple
+ExecStartPre=
+ExecStart=/usr/sbin/edge /etc/n2n/edge-%i.conf -f
+Restart=on-abnormal
+RestartSec=5
+
+[Install]
+WantedBy=ntopng.service
+Alias=

packages/etc/systemd/system/edge.service.in

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+[Unit]
+Description=n2n edge process
+After=network-online.target syslog.target nfw.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStartPre=
+ExecStart=/usr/sbin/edge /etc/n2n/edge.conf -f
+Restart=on-abnormal
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+Alias=

packages/etc/systemd/system/edge@.service.in

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+[Unit]
+Description=n2n edge process, on %I
+After=network-online.target syslog.target nfw.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStartPre=
+ExecStart=/usr/sbin/edge /etc/n2n/edge-%i.conf -f
+Restart=on-abnormal
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+Alias=

packages/etc/systemd/system/supernode.service.in

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+[Unit]
+Description=n2n supernode process
+After=network-online.target syslog.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=n2n
+Group=n2n
+ExecStart=/usr/sbin/supernode /etc/n2n/supernode.conf -f
+Restart=on-abnormal
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+Alias=