Comparison of firewalls

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The following is a comparison of notable firewalls, starting from simple home firewalls up to the most sophisticated Enterprise-level firewalls.

Video Comparison of firewalls

Firewall software

Some firewall solutions are provided as software solutions that run on general purpose operating systems. The following table lists different firewall software that can be installed / configured in different general purpose operating systems.

Maps Comparison of firewalls

Firewall appliances

In general, a computer appliance is a computing device with a specific function and limited configuration ability, and a software appliance is a set of computer programs that might be combined with just enough operating system (JeOS) for it to run optimally on industry standard computer hardware or in a virtual machine.

A firewall appliance is a combination of a firewall software and an operating system that is purposely built to run a firewall system on a dedicated hardware or virtual machine. These include:

• embedded firewalls: very limited-capability programs running on a low-power CPU system,
• software-based firewall appliances: a system that can be run in independent hardware or in a virtualised environment as a virtual appliance
• hardware-based firewall appliances: a firewall appliance that runs on a hardware specifically built to install as a network device, providing enough network interfaces and CPU to serve a wide range of purposes. From protecting a small network (a few network ports and few megabits per second throughput) to protecting an enterprise-level network (tens of network ports and gigabits per second throughput).

The following table lists different firewall appliances.

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Firewall rule-set Appliance-UTM filtering features comparison

Notes

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Firewall rule-set advanced features comparison

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Firewall's other features comparison

Notes

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Non-Firewall extra features comparison

Those features are not strictly firewall features, but are sometimes bundled with firewall software, or exist on the platform.

NOTE: Features are marked "yes" even if implemented as a separate module that comes with the platform on which firewall sits.

IDS: real-time firewall that logs/sniffs/blocks suspicious connections that are not part of rule-set.

VPN (Virtual Private Network) Types are: PPTP, L2TP, MPLS, IPsec, SSL/SSH.

Profile selection: The user can switch between sets of firewall settings, e.g. for use at work, at home, and on public connections.

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See also

• Internet Security
• Comparison of antivirus software
• Next-Generation Firewall

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References

Source of the article : Wikipedia