Allow incoming/outgoing ports on iptables
Last couple of years, I just used to disable iptables on my system, this time I decided not to disable it and keep it enabled.
So far so good, now comes the tricky part, I have http server enabled on my system and since this is on local network with already firewall and other security in place so I can allow all incoming to my system and similarly I need to enable XDMCP outgoing. So, I can add the rules like this :
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