Hướng dẫn cài đặt config Firewall sử dụng IP Tables trên Ubuntu 12.04

In order to make a server more secure after the initial set up, Ubuntu ships with Iptables which is the distribution’s default firewall. At the outset, although the Ubuntu firewall is configured, it is set up to allow all incoming and outgoing traffic on a virtual private server. To enable some stronger protection on the […]