Hardware vs. Software Based Firewall
There are two main types of security and remote access options available today: software and hardware. Software based firewalls running a computer or server have inherent problems.
The complexity of current software based firewall and VPN products have been problematic; particularly ease of use and management. Hardware based firewall solutions, typically embodied in security appliances, protects the entire network.
A security appliance is a solid-state platform with a powerful onboard processor to handle the demands of firewall processing. Because security appliances protect the network at the Internet gateway, they provide a platform for seamless local or remote management of all security and remote access services.
SonicWALL Internet security appliances protect confidential information stored on private networks from Internet hackers. The all-in-one SonicWALL Internet security appliances offer state-of-the-art access security with an ICSA (International Computer Security Association) certified firewall to detect and thwart all known hacker and DoS (Denial-of-Service) attacks.
SonicWALL Internet Security Appliances support seamless integration of an expanding array of value-added security services.
A general-purpose computer's operating system isn't designed with bulletproof security in mind. Configuring computer-based firewall gateways require that you harden the operating system. This means ensuring the operating system always has the latest security patches to fix new security flaws.
SonicWALL Internet security appliances are built on stateful inspection firewall technology, the most effective way to protect network access. Stateful inspection technology tracks each packet traversing the firewall and makes sure that they are legitimate. A stateful inspection firewall also monitors the state of the connection and compiles the information in a state table ensuring that the source and destination of each packet is valid. Designed into every SonicWALL Internet security appliance are:
Stateful Packet Inspection ® Stateful inspection technology tracks each packet traversing the firewall and makes sure that they are legitimate. A stateful inspection firewall also monitors the state of the connection and compiles the information in a state table ensuring that the source and destination of each packet is valid. This enterprise class technology is designed into every SonicWALL Internet security appliance.
Network Address Translation (NAT) ® NAT is a technique that hides the IP addresses of your internal computers from prying eyes by replacing them with a single public IP address.
Monitoring and Logging ® Keeping records of attacks is important. It will help you analyze your security needs and provide you with feedback on the performance of your firewall.