Setting up network security firewall
How does one set up a network security firewall?
As network security threats are increasing, the need for network security firewall too is on the rise. The firewalls used in a computer are of two types viz. hardware firewall and software firewall. The actions performed by hardware firewall and software firewall are different; therefore, familiarizing oneself with both of them is important. A hardware firewall is related to hardware devices like routers, switches and hubs that act as a filter or a shield against the threats to a system from an external network. Software firewalls are those that we manually download and install. They act as a filter for the data received by a system and they send the data to a wide network area from the system. A software firewall monitors both incoming and outgoing signals to act as a shield against online network security threats. Operating systems are integrated with firewall software programs that are enabled by default for protecting a system against network security threats.
Different methods to set up a network firewall:
- Installing a network firewall
- Enabling built-in firewall of an Operating System
- Enabling wireless network security
Installing a network firewall
Today, one can network security firewall with good filtering features that can be downloaded and installed for protecting a system against online network threats. Certain antivirus software programs that are integrated with a firewall program are available for free and they come in paid versions as well. It is important that you install a firewall software belonging to a reputed brands for getting better protection against network security threats.
Enabling built-in firewall of an Operating System
Operating systems like Microsoft Windows have bundled firewall software programs that are enabled by default. It is advised that you keep the firewall enabled for protecting a system against network security threats. Bundled firewalls are recommended the most for a system as they will perfectly with the operating software. It is also recommended that you turn the automatic updates on so that the firewall database gets updates for better performance.
Enabling the wireless network security of a router is a good way to firewall a system against incoming network security threats. It is a hardware firewall that can offer protection against unauthorized network access through wireless network devices. Changing the default login password, renaming the wireless network and disabling SSID strenghten the security against unauthorized access and incoming network threats.
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