19inch 1U aluminium horizontal firewall network server case/chassis

Check all data packets that enter the internal network from the external network; check all the datagrams that flow out from the internal network to the external network; implement the security policy to limit all the packets that do not meet the requirements of the security policy; have anti-attack ability and ensure their own security . Logically, the firewall is a splitter, a limiter, and an analyzer that effectively monitors any activity between the intranet and the Internet and ensures the security of the internal network.