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2. Virtual firewall - Wikipedia

   en.wikipedia.org/wiki/Virtual_firewall

   A virtual firewall then is a firewall service or appliance running entirely within a virtualised environment — even as another virtual machine, but just as readily within the hypervisor itself — providing the usual packet filtering and monitoring that a physical firewall provides.

3. Firewall (computing) - Wikipedia

   en.wikipedia.org/wiki/Firewall_(computing)

   In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on configurable security rules. [1] [2] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet, [3] or between several VLANs.

4. Stateful firewall - Wikipedia

   en.wikipedia.org/wiki/Stateful_firewall

   In computing, a stateful firewall is a network-based firewall that individually tracks sessions of network connections traversing it. Stateful packet inspection , also referred to as dynamic packet filtering, [ 1 ] is a security feature often used in non-commercial and business networks.

5. Comparison of firewalls - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_firewalls

   Barracuda Firewall Proprietary: Included Firewall Next Generation appliance Windows-based appliance embedded firewall distribution Cyberoam: Proprietary: Included Firewall Sophos appliance Windows-based appliance embedded firewall distribution D-Link: Proprietary: Included Firewall DFL Windows-based appliance embedded firewall distribution ...

6. Router VPNs vs device VPNs: Which privacy solution is best ...

   www.aol.com/news/router-vpns-vs-device-vpns...

   We will break down the pros and cons of both methods to help you make the right decision. Get Security Alerts, Expert Tips - Sign Up For Kurt’s Newsletter - The Cyberguy Report Here Woman using ...

7. Personal firewall - Wikipedia

   en.wikipedia.org/wiki/Personal_firewall

   A firewall can be configured to allow different security policies for each network. Unlike network firewalls, many personal firewalls are able to control network traffic allowed to programs on the secured computer. When an application attempts an outbound connection, the firewall may block it if blacklisted, or ask the user whether to blacklist ...