Hi Tim,
I suspect it is because you have the protocol as ALL, There are more
protocols than TCP and UDP.
You would need to create a rule for TCP and one for UDP if you want to
open the port for both.
iptables -A INPUT -p tcp --dport 3977 -j ACCEPT
iptables -A INPUT -p udp --dport 3977 -j ACCEPT
Failing that you could use
--destination-port
instead of dport.
Regards
David
On 14/02/15 23:59, Tim wrote:
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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