Hardware and/or software technology that protects network resources from unauthorized access. A firewall permits or denies computer traffic between networks with different security levels based upon a [..]

The legal barrier between banking and broker/dealer operations within a financial institution created to prevent the exchange of inside information.

Any wall built for the purpose of restricting or preventing the spread of fire in a building. Such walls of solid masonry or concrete generally subdivide a building from the foundations to 2 feet or m [..]

A piece of hardware or software that controls what information passes from your computer to the internet, and who or what can access your computer while you're connected.

A system or combination of systems that enforces a boundary between two or more networks, typically forming a barrier between a secure and an open environment such as the Internet.

A logical or physical discontinuity in a network to prevent unauthorized access to data or resources.

A system in a computer which prevents unwanted or unauthorised access, but allows the authorised user to receive information.

A hardware- and/or software-based system that is used as an interface between the internet and a computer system to monitor and filter incoming and outgoing communications.

A program or hardware device that filters information coming through an Internet connection into a computer system. If the incoming information packet is flagged by the filters it is not allowed throu [..]

A computer that protects a company's private network from outside (Internet) users, yet allows the company's users to access both the protected network and the Internet.

also fire-wall, 1851 as a physical wall meant to prevent the spread of fire in a structure, from fire (n.) + wall (n.). Computer sense (originally figurative) is by 1990.

A set of security programs that protect a computer from outside interference or access via the Internet.

A method of preventing unauthorized access to or from a particular network; firewalls can be implemented in both hardware and software, or both. 

A fire-resistant bulkhead that isolates the engine from other parts of an airplane's structure.

An integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer system. Also see 4Go and 4Res.

A computer term for a method of protecting the files and programs on one network from users on another network. A firewall blocks unwanted access to a protected network while giving the protected netw [..]

A firewall is an application or an entire computer (e.g., an Internet gateway server) that controls access to the network and monitors the flow of network traffic. A firewall can screen and keep out u [..]

A computer, or programmable device, with associated software which can be used to restrict traffic passing through it according to defined rules. Controls would typically be applied based on the origi [..]

  Device placed between an organization’s private network and the Internet to authenticate incoming users. A Firewall is normally a specially configured computer which is set up to only allow specific [..]

Sending a deliberately confrontational message to others on the internet.

Router or access server, or several routers or access servers, designated as a buffer between any connected public networks and a private network. A firewall router uses access lists and other methods to ensure the security of the private network.

 A combination of hardware and software

A boundary that helps keep computers on the Internet private. Firewall software helps prevent users from coming to a secure site, or conversely, keeps users inside the firewall from going out [..]

A firewall is a piece of software or hardware that blocks certain types of traffic. For example, a firewall could block incoming traffic on a certain port or block all incoming traffic except traffic [..]

Definition A Firewall is a device to which you connect your computer or network, or a piece of software that you install on your computer. The firewall's purpose is to block unauthorized access t [..]

Used to restrict communications between hosts and/or nodes, implemented in Compute using iptables, arptables, ip6tables, and ebtables.

A computer that (a) acts as an interface between two networks (e.g., the Internet and an private network, respectively), and (b) regulates traffic between those networks for the purpose of protecting the internal network from electronic attacks originating from the external network. The firewall is capable of handling the following tasks: (a) isola [..]

A physical firewall is a wall made of brick, steel, or other inflammable material that prevents the spread of a fire in a building. In computing, a firewall serves a similar purpose. It acts as a barr [..]

WebGuest Dictionary Internet security to protect a LAN against hackers . A combination of hardware and software acts as a firewall to separate the LAN into two parts. "Normal" data is available outside the firewall, while "hot stuff" is inside the firewall.

A firewall is a software or hardware device that limits access to a website, network or computer. Personal firewalls for home or business use are inexpensive and can limit unauthorized access to your home or work computer.

Security for a computer, local network or Intranet. A combination of hardware and software designed to protect unauthorised access to your computer and files and/or to prevent you accessing certain th [..]

A firewall is a system that filters network traffic. It can either let it pass or block it, according to some specified rules. For example, it can block incoming connections aimed at a certain port or [..]

A firewall is a barrier that acts as a security system to protect trusted computer systems and networks from outside connections and untrusted networks, such as the Internet.

Definition The separation of banking and broker/dealer activities within the same financial institution, in order to comply with the Glass-Steagall Act.

A firewall is a network security system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of both. Netw [..]

device or a program that is used to stop unwanted codes and data from entering a computer. Unwanted is blocked but other data is allowed to come through.

A combination of hardware and software that separates a Local Area Network into two or more parts for security purposes.

A dedicated computer that functions as a security boundary, blocking traffic from one part of a network to another, usually the transmission of data from a larger network to a local area network. Fire [..]

A system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of both.

A boundary that helps keep computers on the Internet private. Firewall software helps prevent users from coming to a secure site, or conversely, keeps users inside the firewall from going out. Firewal [..]

A piece a computer security hardware or software that blocks hacker attempts. Click here for an article on firewall.

A mechanism that isolates a network from the rest of the Internet, permitting only specific traffic to pass in and out.

A firewall is a program that decides whether traffic coming into a server or going out should be allowed. A firewall usually works by creating rules for which type of traffic is acceptable on which po [..]

A combination of hardware and software that separates a LAN into two or more parts for security purposes. A firewall is commonly used to separate a network from the Internet. See Also: LAN, Network

Hardware and software systems designed to create a security barrier between networks. These can be configured to allow decisions to be made on what can and can not be accessed. Used to detect and bloc [..]

A program that generally typically resides on your computer in order to block unauthorized access via the internet. A firewall is essential if you are constantly connected to the internet, for example [..]

A firewall is a piece of software that blocks unwanted traffic a computer and intranet. Most modern computers come with a firewall already installed, and there are numerous third party firewall applications available online.

Firewalls are used to block access to your computer over the internet by malicious hackers, snoopers or intrusive software. The firewall can be software or hardware, but for the home user it i [..]

The name "firewall" derives from the term for a barrier that prevents fires from spreading.  A computer "firewall" is a barrier between your computer and the outside world.  Just l [..]

A Firewall is a method whereby a computer, or an entire network of computers, is protected by a software or hardware configuration that monitors and analyzes the incoming and outgoing traffi [..]

A technology that gives users access to the Internet while retaining internal network security.

Barrier protecting the connection between the company’s internal computer network and the global internet

Network security system comprising software and hardware to control the flow of data between a private network and the Internet.

A network security system used to stop unauthorised access attempts to a computer or device.

Computer hardware and/or software that limits access to a computer over a network or from an outside source. Firewalls are used to prevent computer hackers from getting into a company's computer systems.

A firewall is a software buffer placed between a computer and the Internet. A firewall allows only "safe" data from the Internet to flow in. This protects you from intruders or hackers who m [..]

The term "firewall" originally referred to fireproof walls that were designed to prevent the spread of fire from one room or building to the next. They were typically made of brick, steel, o [..]

A security device or system, usually a combination of hardware and software meant to protect a local network from intruders from the Internet.

A way to protect a server from unwanted and potentially malicious traffic.

Software that keeps unauthorized users or intruders from entering a network. Sometimes it also keeps company users on an internal network from browsing the Web.

A security barrier erected between a public computer network like the Internet and a local private computer network.

Either a software program or a combination of hardware and software that protects a computer or network from intruders.

A firewall restricts unwanted or undesirable data traveling from the internet to your computer. It is often included in your broadband deal and should be used in conjunction with anti-spyware and anti-virus protection.

Firewall refers to the concept of a security interface between a closed system or network and the outside Internet that blocks or manages communications in and out of the system. The security may be s [..]

is a security system that regulates traffic into and out of a network. It can be used to block unauthorized entry from outsiders or to block insiders from accessing unauthorized content.

Firewalls serve as a protective gateway between an organization's internal network and the Internet.

A network security device (a combination of hardware and software) that prevents unauthorized users from accessing an intranet or LAN (Local Area Network).

A combination hardware and software buffer that many companies or organizations have in place between their internal networks and the Internet. A firewall allows only specific kinds of messages from t [..]

Firewall is a system designed to prevent unauthorized acess to or from an internal private network. Firewalls can be implemented in hardware, software, or a combination of both. Firewalls are frequent [..]

A firewall limits the data that can be sent through it, preventing computers or severs from being damaged by unauthorised or malicious users.

Network hardware and software that limits access between an internal network and the rest of the Internet.

Hardware or software which monitors information going in and out of your computer or network.

A protective technical wall between computers and hosts, it’s designed to stop any unwanted communications.

A firewall is a computer program that acts like a barrier, protecting a computer from unauthorised external access. A firewall is a good way to protect your system against intruders and viruses. We of [..]

A piece of security hardware or software that prevents unauthorised users from accessing private networks connected to the Internet, for example Intranets.

Used to stop unwanted access to either a computer or a network. Most modern computers come with a firewall. Make sure yours is correctly enabled.

A system that prevents unauthorized access to or from a private network. Firewalls can be hardware or software, or a combination of both.

A thing you use to save and store stuff (data). Sometimes called a USB.

A system of either software or hardware used to keep a network secure. Firewalls create a special "wall" to block insecure sites and unwanted or corrupt data, like spam and viruses, as well as unwanted people, such as hackers or identity thieves, from accessing your network. flame An email message with angry or antagonistic content. Calle [..]

Firewalls are configured (in hardware, software, or both) with specific criteria to block or prevent unauthorized access to a network.

A firewall is a set of network components that, similar to a router connect an internal network (intranet) to a public network (e.g. Internet). Access to the other network can thereby be limited or fu [..]

Firewalls prevent unauthorised access to your computer over the internet.

Hardware or software that secures computer files by watching Internet traffic coming into your home and blocking anything that may harm you or your computer.

This is a barrier that can protect information in a system or network when there is a connection to another network, for example, the Internet.

A system that keeps unwanted users out of your network. Firewalls also restrict certain types of data and IP addresses for security. Firewalls are typically included in your computer’s operating system and may also be included in your router.

A barrier between any connected public network and private network that prevents unauthorised traffic passing through it.

Security software designed to protect Web servers. Firewalls are typically deployed to protect sites from hacker attacks and unauthorized access.

A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications. It is a device or set of devices which is configured to p [..]

A system, hardware or software designed to prevent unauthorized access to or from a private network.

  Is a combination of hardware and software that protects the network from invasions from outside of the network. The firewall typically looks at the incoming and outgoing connections and port address [..]

A protective software or hardware "screen" which prevents unauthorised access to or attacks on systems sheltered "behind" it. Used on servers as well as personal computers and routers. False Positive

Software or hardware components that restrict access between a protected network and the Internet, or between other sets of networks, to block unwanted use or abuse.

An integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer system. It is also a device or set of devices configured to permit, deny, encrypt, decrypt, or proxy all computer traffic between different security domains based upon a set of rules and other criteria. Firewalls can be implement [..]

This term refers to security measures designed to protect a networked system from unauthorized or unwelcome access.  

A security device that places a protective "wall" around a computer or network of computers, keeping it from being accessible to the public.

A firewall acts as a barrier between the customer’s computer and the Internet, preventing unauthorised access to the computer by hackers.

Any of several ways to protect a network from an untrusted host or network. Consists of mechanisms to block network traffic and mechanisms to permit network traffic.

Hardware or software that restricts and regulates incoming and outgoing data to or from computer systems. Firewalls allow or disallow accessing certain websites or social media platforms.

Hardware or software that permits only authorized users to enter, and logs attempted intrusions

(n) (colloquial) the application of maximum thrust(n) (computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to a [..]

A firewall is a combination of hardware and software that enforces a boundary between two or more networks. A firewall is e.g. used to limit the exposure of a computer or computer network to an attack [..]

A set of security procedures that separates and protects data on a LAN from crackers who might access the LAN from the Internet.

A security system, usually for networked computers, which controls access in and out of the network.

A computer or software system designed to prevent unauthorized access to or from a computer or computer network.

A device that isolates a network from the Internet. The word is derived from construction, where "firewalls" isolate areas of a building in order to stop a fire from spreading. A firew [..]

a program that restricts network access, usually for security. The most common purpose of a firewall is protect a computer from unauthorized access over a network -- it prevents outsiders from browsin [..]

A combination of industrial strength computer hardware and software designed to securely separate the Internet from internal web servers, computer systems, networks and databases. Firewalls keep unaut [..]

Security feature that protects the VPN and terminating equipment from direct exposure to the Internet. This is one of the advantages of MPLS versus IP VPN over Internet

Hardware or software designed to prevent unauthorised access to a computer or network from another computer or network.

According to ISA-99, a firewall is an integral part of the connection between two networks and regulates the data communication between them. A firewall can be either an application installed on a suitable computer or a separate device that forwards or rejects data packets in a network. It enables or blocks access to certain ports based on defined [..]

A firewall is a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts. It is a network security system that controls the incoming and outgoing network traffic based on an applied rule set.

A method of guarding a private network by analyzing the data leaving and entering. Firewalls can also provide network address translation, so the IP addresses of computers inside the firewall stay hidden from view. Packet-filtering firewalls use rules based on a packets source, destination, port or other basic information to determine whether or no [..]

Hardware or software designed to prevent unauthorised access to a computer or network over the Internet.

A firewall is a type of software that is installed between two points, typically the internet and either a network service or a whole network, to protect it from attacks. A firewall is typically associated with protecting networks. In case of websites such as WordPress, a web application firewall is used. Refer to the web application firewall

Hardware or software that is designed to allow or deny access to an individual computer or a computer system. Most security experts agree that a firewall is necessary when using a computer that is con [..]

Prevents computers on a network from communicating directly with external computer systems. A firewall typically consists of a computer that acts as a barrier through which all information passing between the networks and the external systems must travel. The firewall software analyzes information passing between the two and rejects it if it does n [..]

A security tool that protects an individual computer or even an entire network from unauthorized attempts to access your system. Firewalls often protect e-mail servers from receiving spam. A firewall [..]

A hardware or software link in a network that inspects all data packets coming and going from a computer, permitting only those that are authorized to reach the other side.

A firewall is a device or set of devices configured to permit, deny, encrypt, or proxy all computer traffic between different security domains based upon a set of rules and other criteria.

Definition: A firewall is either software, hardware or a combination of both that examines in-bound and, in some cases, outbound traffic for malware signatures and unauthorized traffic for information [..]

A firewall is hardware or software that enforces security on your computer or system. It's like a locked door, preventing dangerous material from getting into the room.

A firewall is a small program that helps protect your computer and its contents from outsiders on the Internet or network. When installed, it prevents unauthorised traffic to and from your PC.

Security software that blocks unauthorized entities from gaining access to your computing environment.

A programme or device designed to prevent unauthorised access to or from a network or system by filtering incoming and outgoing network data based on a series of rules.

A system used to protect your computer from unauthorised access by third parties.

A Hacker Intrusion Detection System, which stops unwanted / unknown network trying to access your computer when connected to Internet. On Daily Basis, there are so many victims who get affected by hac [..]

A logical "wall" around a LAN or WAN that restricts access into and out of the network.  See Gateway Frame Relay

A firewall is specialised hardware and/or software designed to block unwanted traffic from entering or leaving your devices. It’s important to keep firewalls up to date to ensure they are providing an [..]

Microsoft describes a firewall as, “a software program or piece of hardware that helps screen out hackers, viruses, and worms that try to reach your computer over the Internet.”

A firewall is an electronic boundary (or a physical piece of hardware) that prevents unauthorised users and packets of data or information (such as files and programs) from accessing a protected system.

  A system designed to prevent unauthorized access to or from a private network. [3] Firewalls can be implemented in both hardware and software, or a combination of both. Forensics

A hardware or software link in a network that relays only data packets clearly intended and authorized to reach the other side.

A security tool that protects an individual computer or even an entire network from unauthorized attempts to access your system. Firewalls often protect e-mail servers from receiving spam. A firewall [..]

A device or app designed to protect your computer, network, smartphone or other device from unauthorized access.

A hardware or software device that limits access to a computer or network to help prevent unauthorized access. Also see Firewall Appliance

The metal panel that separates the engine compartment from the passenger compartment. It also often includes sound and heat insulation.

The partition between the engine compartment and the passenger compartment.

A security application that protects servers from intrusion by hackers. For example, CSF is a popular firewall for Linux systems. Linux systems also include a built-in firewall, iptables.

 A combination in hardware and software buffer that many companies or organizations have in place between their internal networks and the internet. A firewall allows only specific kinds of messages from the internet to flow in and out of the internal network. This protects the internal network from intruders or hackers who might try to use the inte [..]

A solid metal plate that separates the engine compartment from the driver’s compartment of the race car.

A computer that protects a company's private network from outside internet users

A firewall works as a barrier between networks, e.g. between a Local Area Network and the Internet. The firewall ensures that only authorized users are allowed to access the one network from the other [..]

A firewall is a software or hardware application installed on a home or office computer that is intended to prevent unauthorized users from accessing that computer.  With hacking and network intrusions on the rise, they are becoming essential in protecting private information.  Four popular types of firewall are packet filtering, application gatewa [..]

A computer connected both to the Internet and a local network (e.g.,a hospital) that prevents the passing of Internet traffic to the internal network. Provides an added security layer.

A firewall works as a barrier between networks, e.g. between a Local Area Network and the Internet. The firewall ensures that only authorized users are allowed to access the one network from the other [..]

A security system that is designed to block unauthorized access while permitting authorized communications. This can cause issues when streaming if not configured properly. Livestream Studio, Producer [..]

A firewall works as a barrier between networks, e.g. between a Local Area Network and the internet. The firewall ensures that only authorized users are allowed to access the one network from the other [..]

A firewall is a collection of programs which act as a gateway to a network, only allowing certain things or people to get through. Typically computers have a firewall which recognises and blocks virus [..]

A computer that protects a company's private network from outside internet users

A computer that protects a company's private network from outside internet users

A security system used to prevent unauthorized users from gaining access to a LAN. A firewall usually has a single computer that is connected to the Internet and all Internet traffic must pass through [..]

A firewall is software used to maintain the security of a private network. Firewalls block unauthorized access to or from private networks and are often employed to prevent unauthorized Web users or i [..]

The metal panel between the cab and the engine compartment.

A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy.

A system used to prevent access to a network or certain devices on a network. There are software as well as hardware firewalls.

A computer system that screens data passing between network segments, used to provide security for a private network at the point of connection to the Internet.

A firewall is a hardware or software solution to enforce security policies. In the physical security analogy, a firewall is equivalent to a door lock on a perimeter door or on a door to a room inside of the building - it permits only authorized users such as those with a key or access card to enter. A firewall has built-in filters that can disallow [..]

 Computer hardware and software that block unauthorized communications between an institution's computer network and external networks.

Section of the aircraft specially designed to let heat and smoke enter the cockpit.

A firewall is a hardware device or software program that help s protect a computer from unauthorised access. In effect a firewall is the equivalent to a lock on a door into a room in that it only permits authorised users, ie those with the key, to enter. Firewalls have built-in filters that can prevent unauthorized or potentially dangerous material [..]

A firewall acts as a filter that prevents information from getting in or out of a protected network. 

A system that prevents unauthorized access to corporate, private and home networks. In the physical sense, it's equivalent to a locked door that only allows access to people who have the key. An [..]

A gateway supported by hardware or software that limits access between computer networks. Firewalls can protect your home computer from hackers and your family from web sites that may contain offensive material.

A computer system that sits between the Internet and a company's LAN. It is a means of automatically limiting what a company's computer system will pass along to outside computer systems. It acts as an active gateway to keep non-company entities from accessing company confidential data.

, A security system for protecting a server and local area network. A firewall monitors and manages traffic in and out of a network while limiting access to authorized users and programs.

A computer system that sits between the Internet and a company’s LAN. It is a means of automatically limiting what a company’s computer system will pass along to outside computer systems. It acts as an active gateway to keep non-company entities from accessing company confidential data.

A set of related programs that protect the resources of a private network from users of other networks.

Firewall is a security software or hardware that blocks unauthorized access to a computer or network based on specific criteria. Electronic Commerce

an integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer system. It is also a device or set of devices configured to permit, deny, encrypt, decrypt, or proxy all computer traffic between different security domains based upon a set of rules and other criteria.

a set of technologies used for security that allow the Company to test, filter and route all incoming internet messages.

A system available in many configurations providing the necessary isolation between trusted and untrusted environments (USAID Automated Directives System - ADS - Chapter 545).

A firewall is a controlled access point between sections of the same network, designed to confine problems to one section. A firewall is also a controlled access between a private network and a public network (such as the Internet), usually implemented with a router and special firewall software.

Can limit unauthorized access to your home or work computer. It is a software or hardware device that limits access to a website, network or computer. Inexpensive personal firewalls for home or business use are recommended.

The task of the firewall is to protect network connections. It prevents the unauthorized access to computers.

A piece of hardware or software program which protects a computer or network from attacks.

A system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented as hardware, software, or a combination of both. All messages entering or leaving pass through the firewall, which examines each message and blocks those that do not meet the security criteria specified on the firewall.

A firewall is a piece of hardware or software program which protects a computer or network from attacks from intruders and hackers.

 a barrier between a network and the Internet through which only authorized users can pass; set of security policies to screen incoming and outgoing messages; also used to isolate one part of a network from another

Hardware or software that protects a network from un authorized access.

The legal barrier between banking and broker/dealer operations within a financial institution created to prevent the exchange of inside information.

A firewall is a fire-resistant barrier used to prevent the spread of fire for a prescribed period of time. Firewalls are built between or through buildings, structures, electrical substation transform [..]

A firewall is a fire-resistant barrier used to prevent the spread of fire for a prescribed period of time. Firewalls are built between or through buildings, structures, electrical substation transform [..]

Firewall is a crime novel by Swedish author Henning Mankell.

Firewall may refer to: Firewall (construction), a barrier inside a building or vehicle, designed to limit the spread of fire, heat and structural collapse Firewall (engine), the part of a vehicle that [..]

Firewall is a 2006 American-Australian crime thriller film directed by Richard Loncraine and written by Joe Forte. The film stars Harrison Ford as a banker who is forced by criminals, led by Paul Bett [..]

In automotive engineering, the firewall is the part of the automobile body (unibody or body-on-frame) that separates the engine compartment from the passenger compartment (driver and passengers). It i [..]

In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a bar [..]

A black hole firewall is a hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at (or near) the event horizon. The "firewall" phenomenon was pro [..]