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  2. Distributed firewall - Wikipedia

    en.wikipedia.org/wiki/Distributed_firewall

    This is an artifact of firewall deployment: internal traffic that is not seen by the firewall cannot be filtered; as a result, internal users can mount attacks on other users and networks without the firewall being able to intervene. Large networks today tend to have a large number of entry points.

  3. Web application firewall - Wikipedia

    en.wikipedia.org/wiki/Web_application_firewall

    A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service.By inspecting HTTP traffic, it can prevent attacks exploiting a web application's known vulnerabilities, such as SQL injection, cross-site scripting (XSS), file inclusion, and improper system configuration. [1]

  4. Next-generation firewall - Wikipedia

    en.wikipedia.org/wiki/Next-generation_firewall

    Administrators could promptly prevent an unsafe application from being accessed by users by blocking the associated ports and protocols. But blocking a web application that uses port 80 by closing the port would also mean complications with the entire HTTP protocol. Protection based on ports, protocols, IP addresses is no more reliable and viable.

  5. ModSecurity - Wikipedia

    en.wikipedia.org/wiki/ModSecurity

    Free and open-source software portal; ModSecurity, sometimes called Modsec, is an open-source web application firewall (WAF). Originally designed as a module for the Apache HTTP Server, it has evolved to provide an array of Hypertext Transfer Protocol request and response filtering capabilities along with other security features across a number of different platforms including Apache HTTP ...

  6. Using McAfee: Firewalls - AOL Help

    help.aol.com/articles/Using-McAfee-Firewalls

    Computer users can use a ping tool, which sends and receives ICMP Echo Request messages, to determine whether a given computer is connected to the network. You can configure Firewall to prevent or allow computer users to ping your computer. To configure your ICMP ping requests setting: 1.

  7. Application security - Wikipedia

    en.wikipedia.org/wiki/Application_security

    Before code is written the application's architecture and design can be reviewed for security problems. A common technique in this phase is the creation of a threat model. Whitebox security review, or code review. This is a security engineer deeply understanding the application through manually reviewing the source code and noticing security flaws.

  8. Internet security - Wikipedia

    en.wikipedia.org/wiki/Internet_security

    A computer firewall controls access to a single computer. A network firewall controls access to an entire network. A firewall is a security device — computer hardware or software — that filters traffic and blocks outsiders. It generally consists of gateways and filters. Firewalls can also screen network traffic and block traffic deemed ...

  9. Application firewall - Wikipedia

    en.wikipedia.org/wiki/Application_firewall

    An application firewall is a form of firewall that controls input/output or system calls of an application or service. It operates by monitoring and blocking communications based on a configured policy, generally with predefined rule sets to choose from. The two primary categories of application firewalls are network-based and host-based.

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