Becoming Parents Make Computer Firewall
A firewall is a device that can manage data traffic in the network. He can filter the data so that only data that is considered safe to be entered into a computer or network. "Castle of fire" was used to protect against "attack" or "smugglers" from outside the network.
Not only was it the task of a firewall. Security device that can also be used for access control-who can access the network and who should not. During the operation, he recorded all the events and report it to administrators.
Firewall there are two kinds, namely personal and network. Personal firewall designed to protect a computer connected to the network. Windows Firewall is one example of personal firewall applications.
While the network firewall designed to protect the network. This network firewall there are two forms, can be hardware, could also be the software. There is a special hardware for the firewall. But, we also can make a hardware firewall with a PC. Well, if your home is an old PC idle, use it to protect the computer network in your home.
In the PC, we will install a software. No need to buy, just download it, eh do not need to download also on the CD because there is also PCplus edition. SmoothWall Express is a free software is quite reliable. Although made based on the Linux operating system, open source firewall is still available in versions of Windows.
SmoothWall is designed to be easy to use and set-set through a web-based interface. Essentially practical. We do not need to have my level of knowledge in an office network administrator to use this software.
Let us install and use immediately.
1. SmoothWall Express Burn ISO to a CD. If SmoothWall Express is a CD, boot the computer using the CD that came SmoothWall screen. Press "Enter" to change the screen display. Once again, press "Enter".
2. Next will come the demand to enter the SmoothWall Express CD into the CD-ROM. Since the CD is in your CD-ROM is a CD that's right, just press "Enter".
3. The next dialog box to tell if the SmoothWall is installed. Again, press "Enter". Further confirmation will appear stating that the disk will be formatted. Approve the request by just pressing "Enter". Wait a moment until the new window appears that says the success of the installation.
4. The next process is to manage SmoothWall Express. SmoothWall will offer automated configuration process when previously you've been setting SmoothWall. Since this new configuration the first time, replied with "No".
5. The next window will ask for the keyboard mapping. Select the type of keyboard "UK" and press "Enter" to continue.
6. Enter a name for the "hostname". You are free to name this hostname. What is clear, do not use special characters such as spaces, numbers, underscores. This name will be called on the network when someday you want to access the firewall. In satandar, hostname will be filled "smoothwall".
7. The next window is the "default security policy". In this window, you can determine how tight the security level is applied. Options "Open" will make all the open access. Options "Half-open" to make some open access, others closed. Access closed access is usually considered to be risk of attack. Now, if the option "Closed" will close all access. Select the option in accordance with the security level you want, then press "Enter".
8. In the window "Network configuration menu", select "Network configuration type", then press "Enter". When the window "Network configuration type" open, select the type of configuration according to your network. Select the "Green" if your network is connected to the Internet via a modem or ISDN. Select the "Green + Red" if your network is connected to the Internet via a network card. If your wireless network and the Internet connect to the internet with a modem, select "Green + Purple (Red is modem / ISDN)". Select the "Green + Purple + Red" if your network card is connected to a wired network, wireless and internet.
9. Next, select the menu "Drivers and card assignments". There you are asked to set up your network card. Configuration that is here is very dependent on the brand and type of network card you use. If so, press "Enter".
10. In the next window, select the "Probe" SmoothWall to automatically detect the network card. Once detected you need to specify which network card was detected in the category "Green" or "Red". Select the "Green" and press "Enter".
11. Press "Enter", to return to the "Network configuration menu. Now click the "Address Settings". Select the "Green" on this window. When a warning window appears, just answer with "OK".
12. Next you will be prompted to enter the IP address of the network following his mask in the window "Green Interface". If so, click "OK".
13. Repeat steps 11 and 12 until all the network card is configured successfully, both in orange or purple category. To access the Internet via a network card (RED), select option "RED" and press "Enter". Select "Static" if your static IP given by ISP. Select DHCP if you use dynamic IP. Select "PPPOE" if you use the "Point to Point Protocol Over Ethernet" to connect to your ISP. This choice depends on your ISP settings. Just ask them to know for sure. When we select the DHCP option, then we have to fill "DHCP hostname" from the ISP. If we use static IP, of course, we must enter the IP address and network mask. When everything is complete, press "OK".
14. Now it's time you select the "DNS and Gateway settings". Enter "IP control" and "IP gateway". Press OK and select Done to close the Network Configuration menu.
15. Now you'll be taken to "Section menu. Here you can set the proxy, ISDN, ADSL, and DHCP server. If you do not use it, pass it directly by pressing the "Finished".
16. You are asked to enter an administrator password twice. Minimum password length of 6 characters and maximum 25 characters. This password will be used to manage web-based SmoothWall at this initial configuration is complete. Finally, a confirmation window will appear that the setup process is complete. You can press OK to restart the PC.
17. After restarting, you can access via browser SmoothWall Express. Enter the computer name or IP address of the firewall in the browser, for example: http://smoothwall:81 or https: / / 192.168.0.2:441. You can access the server via HTTPS via port 441 or port 81 via HTTP. When the warning appears on the digital certificate, accept the certificate.
18. Enter admin as the username and password fill in accordance with the password you specified in the configuration process at the beginning of the installation. Page SmoothWall displays IP configuration and data traffic has been running like. To further firewall configuration changes can be done through a web-based interface is. Not have to worry again with a complicated configuration in the beginning.
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