[06:08] <vubuntor193> Chao cac ban
[06:10] <vubuntor193> xin chi minh cach bao mat ubuntu server 14.04.1, ngoai ufw firewall ra con cai gi nua de bao mat server khong?
[06:14] <vubuntor193> khong co ai ah? ubuntu vn it nguoi share huong dan nhi.
[06:15] <vubuntor193> lau wa ma k ai tra loi giup cau hoi