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iptables -t nat -A PREROUTING -p tcp --dport 10002 -j DNAT --to-destination 192.168.1.40:10002
But I get the following result: iptables v1.4.2: Unknown arg `(null)'
I'm new to Synology (and manipulating iptables), but reasonably familiar with linux cli. Any advice on how to make this work? My goal is for calls to 192.168.1.141:10002 be redirected to 192.168.1.140:10002 (with the first IP being my diskstation and the second being the box with MusicIP running.