Battle! Crazy DIY 1U hardware firewall recording

Today, the main character is the chassis. Many hardware firewalls are just PCs with multiple NICs. They only use UNIX operating systems and have customized a special chassis-a box, which is worth hundreds of times. The magic box that makes PC accessories worth hundreds of times is a 1U steel shell firewall chassis.

Today, I chose a Firewall Router professional 1U chassis with a model of 1U1D360. The chassis contains a 350-watt High-Power firewall with uninterruptible power supply and six high-speed ball fans, which ensures stable and persistent operation of PC processors and other accessories in a small 1U space, it is positioned as a hardware firewall and professional router DIY market, so it comprehensively considers the compatibility with common accessories on the market, so it feels very comfortable to use.

Plug in the hard disk data line and patch cord plug on the motherboard, such as POWER, RESET, and SPEAKER.

Now our firewall has taken shape. Let's take a look.

There are two front serial ports on the chassis, and the plug of the serial port connection is inserted into the motherboard. This serial port does not mean the same as the serial port hard drive we have mentioned now. How do you use the old serial port mouse? That is the port. This serial port can be used in the firewall as a debugging interface. You can use a serial port to connect other computers to this serial port to debug and maintain this firewall, in fact, we rarely use it. Friends who like to observe may also notice that many ADSL and home broadband routers now have such a serial port, which has the same effect and is rarely used at ordinary times.