Do I have the correct s/d for csf.allow?

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Junior Member
Posts: 9
Joined: 18 Jul 2015, 11:46


I have 2 IPs on my server running Ubuntu 18.04 LTS for this post I will call the IPs and

I would like to have use for TeamSpeak 3 and need to option some TCP and UDP ports for it to all work.
I read I can open the ports using csf.allow but not sure how to allow the IP only to thoses ports

These are the ports I need to open only for the IP
TCP In: 2008,10011,30033,41144
TCP Out: 2008,10011,30033,41144
UDP In: 9987
UDP Out: 2011:2110

Now here the bit I get lost with the s/d for the port and ip.
Have I got the below correct?



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