hi,
it’s hard for me a layman to block the ports.

however, i got a solution now.
for nordvpn:

the android app sign in need access to n-apps1.com or n-apps2.com,

the desktop win10 need go to nordvpn.com to obtain the tcp config file or the nordvpn.exe

so i blocked these 2 in the tplink, and also use adblock for brumew.

now i am more free from internet addiction.

thanks

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