Better keep it at NAT 2.
It is not very strict,thus games can be played.
And exposure can be reduced...
However get yourself good router... because this generic ONT got lots of security flaws.
NAT1 configuration is simply a bidirectional relationship with your external IP and Internal IP.Thus,all incoming connections are allowed.
NAT2 configuration is also bidirectional relationship albeit some of the incoming ports are closed for added protection.Usually used by ISP which are generous.It requires Port forwarding but most router ship with inbuilt config allowing commonly used port for direct connections.
PS I am not very sure about NAT3 and NAT4.
IF anyone can help me understand NAT3 AND NAT4...I will be highly thankful. @varkey @Realme@JB700
Did your internet disconnect or smth after setting it to this? Because back then when I changed DNS in router, my internet got disconnected and I had to wait for about a week or two. And since it's lockdown rn, I'm worried I'll lose internet connection. Thanks!
@Zenshey
Since NAT configuration is a router level configuration on user premise,there is no need to disconnect the router. Usually,the generic Chinese ONT allow us to change anything with real-time implementation.
Also, I know this post might seem repetitive but all other posts regarding this are for ps4 or xbox and have a modem and a separate router in the mix while my issue has a modem/router mix unit from BSNL.
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