What is Firewall

1.

A hardware device or software program that controls the passage of traffic at a network boundary according to a predefined set of rules. Learn more in: Taxonomy of Cyber Threats to Application Security and Applicable Defenses

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A firewall is a network security system that allows or denies incoming and outgoing network traffic based on predetermined security rules. Learn more in: Crime Identification Using Traffic Analysis of HTTP Botnet

3.

A device or software to selectively filter packets. Learn more in: Malicious Software

4.

This is a host or router which provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: On the Stability of Peer-to-Peer Networks in Real-World Environments

5.

A collection of systems that enforce an access control policy amount networks. Typically the firewall is located between the internal network and the outside network to block unauthorized traffic (Butcher-Powell, 2005). Learn more in: Status and Future Trends of Multimedia Interactivity on the Web

6.

A software or hardware that is designed to block and prevent unwanted or unauthorized network traffic between computer networks or hosts. Learn more in: Early Detection and Recovery Measures for Smart Grid Cyber-Resilience

7.

Hardware or software solutions used to prevent unauthorized access to private networks through the internet. Learn more in: The Analysis of Top Cyber Investigation Trends

8.

A firewall is a system designed to prevent unauthorized access to or from a network. Firewalls can be implemented in both hardware and software, or a combination of both. There are several types of firewall techniques. These include packet filter, application gateway, circuit-level gateway, and proxy server. Learn more in: Practical Measures for Securing Government Networks

9.

This is a host or router, which provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: Network-Based Intrusion Detection

10.

It is a device from a network of computers that has the function of regulating network traffic between unrelated networks and preventing the transmission and/or reception of harmful or unauthorized data from one network to another. Learn more in: POSMASWEB: Paranoid Operating System Methodology for Anonymous and Secure Web Browsing

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This is a host or router which provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: Intrusion Detection Based on P2P Software

12.

This is a host or router which provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: E-Collaboration Enhanced Host Security

13.

A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy. Learn more in: Methodology for Cyber Security Risk Mitigation in Next Generation SCADA Systems

14.

This is a host or router which provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: A Novel Application of the P2P Technology for Intrusion Detection

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A set of related programs that reside on a network gateway server that protects the resources of a private network from users from other networks. Learn more in: Videoconferencing for Supervision of Graduate Students

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Computer, device connecting company local Network with global network (Internet). Learn more in: Employer Branding and Internet Security

17.

In network security, firewall is a system used to keep surveillance over the traffic passing through it in and out on the basis of some prior defined security protocols. It basically protects the trusted network from the untrusted one like Internet. Learn more in: Reviewing the Security Features in Contemporary Security Policies and Models for Multiple Platforms

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This is a host or router, which provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: Peer-to-Peer Methods for Operating System Security

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Hardware and software used to prevent unauthorized access to a computer or network. Learn more in: E-Accounting: Future Challenges and Perspectives

20.

This is a host or router that provides a strict gateway to the Internet for a subnetwork, checking traffic and maybe dropping some network packets. Learn more in: Application of the P2P Model for Adaptive Host Protection

21.

A firewall is a piece of hardware and/or software which functions in a networked environment to prevent some communications forbidden by the security policy, analogous to the function of firewalls in building construction. Learn more in: Peer-to-Peer (P2P) Network Security: Firewall Issues

22.

A device and/or software designed to protect networks of differing security levels. Learn more in: Firewalls as Continuing Solutions for Network Security

23.

A peace of software that is a part of the operating system or can be an external program. It serves to protect a particular computer system it is installed on, or to protect a group of machines in a local area network (LAN). Learn more in: Software in Amateur “Packet Radio” Communications and Networking

24.

A security system used in computer networks to monitor network traffic. Learn more in: Digital State Strategy

25.

A software or hardware that is designed to block the unwanted or unauthorized network traffic between computer networks or hosts. Firewalls are mostly considered as a part of IPS that constitutes the first line of defense in the provisioning of the information security services. Learn more in: Detecting Intrusions in Cyber-Physical Systems of Smart Cities: Challenges and Directions