One of the many tasks of a system administrator is the installation and setting up of firewalls in an organization. A firewall is a vital component of a firm’s network and it plays an extremely important part in securing and protecting it; network security refers to methods of addressing external and internal threats to a company’s network system. Firewalls can help secure a network from both internal and external dangers.
Everyone has heard of the word ‘router’; it is a device that essentially connects or acts as a bridge between two or more different networks. When an organization’s internal network is connected to the internet, it is usually assumed that the network is vulnerable to threats from the external network which is the internet in this case.
A firewall is a device that is installed between the internal network and the external network (internet) to filter all incoming and outgoing traffic or data. This is also known as ‘packet filtering’. A system administrator programs certain rules in a firewall which are used to evaluate incoming and outgoing data. A firewall performs two major roles:
Therefore, it is important that a firewall is installed and managed by a professional system administrator to provide the maximum amount of protection to your company’s network infrastructure. When done correctly, the advantages of using firewalls cannot be ignored. Their main benefits are:
From total network planning, design and installation to upgrades and maintenance, Cooper Systems is ready to assist. Our team of qualified professionals can manage whatever your IT need is. We have over 16 years experience in computer networking.
A Cooper Systems Tech can come to your home and set up your internet connection, setup wireless laptop connections and check your security settings to assure safe Internet access.