firewall Setting

Hi

we use Cpanel as coantrol panel so i have open on my server the following port:

21,22,25,26,53,80,110,143,443,2082,2083,2086,2087,2095,2096,3306,8888

all these ports should be open for IN and OUT? or is there a port that i can open only for IN or only for OUT? so i can get a better security

thank u

 

 

 

 

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