[Unit]
Description=Redirects TCP connections from one IP address and port to another
After=network.target network-online.target

[Service]
ExecStart=/usr/sbin/rinetd
ExecReload=kill -HUP $MAINPID
Type=forking
PIDFile=/var/run/rinetd.pid
Restart=always

[Install]
WantedBy=default.target