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  2. Egress filtering - Wikipedia

    en.wikipedia.org/wiki/Egress_filtering

    TCP/IP packets that are being sent out of the internal network are examined via a router, firewall, or similar edge device. Packets that do not meet security policies are not allowed to leave – they are denied "egress". [1] Egress filtering helps ensure that unauthorized or malicious traffic never leaves the internal network.

  3. Ingress filtering - Wikipedia

    en.wikipedia.org/wiki/Ingress_filtering

    The best current practices for network ingress filtering are documented by the Internet Engineering Task Force in BCP 38 and 84, which are defined by RFC 2827 and RFC 3704, respectively. [ 4 ] [ 5 ] BCP 84 recommends that upstream providers of IP connectivity filter packets entering their networks from downstream customers, and discard any ...

  4. ISO/IEC 27002 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_27002

    ISO/IEC 27002 provides best practice recommendations on information security controls for use by those responsible for initiating, implementing or maintaining information security management systems (ISMS). Information security is defined within the standard in the context of the CIA triad:

  5. Network security - Wikipedia

    en.wikipedia.org/wiki/Network_security

    Network security are security controls, policies, processes and practices adopted to prevent, detect and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. [1] Network security involves the authorization of access to data in a network, which is controlled by the network ...

  6. Deep packet inspection - Wikipedia

    en.wikipedia.org/wiki/Deep_packet_inspection

    Deep packet inspection (DPI) is a type of data processing that inspects in detail the data being sent over a computer network, and may take actions such as alerting, blocking, re-routing, or logging it accordingly.

  7. Identify legitimate AOL websites, requests, and communications

    help.aol.com/articles/identify-legitimate-aol...

    Best practices • Don't enable the "use less secure apps" feature. • Don't reply to any SMS request asking for a verification code. • Don't respond to unsolicited emails or requests to send money. • Pay attention to the types of data you're authorizing access to, especially in third-party apps.

  8. Distributed firewall - Wikipedia

    en.wikipedia.org/wiki/Distributed_firewall

    A distributed firewall is a security application on a host machine of a network that protects the servers and user machines of its enterprise's networks against unwanted intrusion. A firewall is a system or group of systems ( router , proxy , or gateway ) that implements a set of security rules to enforce access control between two networks to ...

  9. 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 VLAN s.

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