I am running Debian and I am trying to open 3 ports realising I am using
iptables I tried the following (as interpreted from a few pages I googled):
iptables -A INPUT -p ALL --dport 3977 -j ACCEPT
but I get the following error
iptables v1.4.21: unknown option "--dport"
But dport is listed in many of the results I googled, has dport been
depreciated and replaced with something else??
This is for internal LAN operation not external internet access
Thanks in advance
Tim
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