block facebook app on slt router

[incognito1]

how to block accessing facebook from facebook app or facebook site while on slt wifi router?

 

[^Buddhika^]

4g eke nam security giihin url eka or IP range eka denna block karanna ona

 

[incognito1]

4g eke nam security giihin url eka or IP range eka denna block karanna ona

eken facebook app ekada block wenne nettan browser eken facebook log wena ekada