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2. Software-defined perimeter - Wikipedia

   en.wikipedia.org/wiki/Software-defined_perimeter

   A software-defined perimeter (SDP), sometimes referred to as a black cloud, is a method of enhancing computer security.The SDP framework was developed by the Cloud Security Alliance to control access to resources based on identity.

3. DMZ (computing) - Wikipedia

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

   The first firewall (also called the "front-end" or "perimeter" [5] firewall) must be configured to allow traffic destined to the DMZ only. The second firewall (also called "back-end" or "internal" firewall) only allows traffic to the DMZ from the internal network. This setup is considered [4] more secure since two devices would need to be ...

4. Perimeter 81 - Wikipedia

   en.wikipedia.org/wiki/Perimeter_81

   Perimeter 81 is an Israeli cloud and network security company that develops secure remote networks, based on the zero trust architecture, for organizations. Its technology replaces legacy security appliances like VPNs and firewalls .

5. Personal firewall - Wikipedia

   en.wikipedia.org/wiki/Personal_firewall

   Donald R. Woeltje Jr. and the concept he came up with was the installation of special software (firewall software) on every BudNET server, workstation, and perimeter security device. Indeed, every single Windows system on the BudNET network. This is a concept that is now commonly referred to as "personal firewall" software. So, while SSgt.

6. Zero trust architecture - Wikipedia

   en.wikipedia.org/wiki/Zero_trust_architecture

   The problems of the Smartie or M&M model of the network (the precursor description of de-perimeterisation) was described by a Sun Microsystems engineer in a Network World article in May 1994, who described firewalls' perimeter defence, as a hard shell around a soft centre, like a Cadbury Egg. [6]

7. Network enclave - Wikipedia

   en.wikipedia.org/wiki/Network_enclave

   A major difference between a DMZ or demilitarized zone and a network enclave is a DMZ allows inbound and outbound traffic access, where firewall boundaries are traversed. In an enclave, firewall boundaries are not traversed. Enclave protection tools can be used to provide protection within specific security domains.

8. OPNsense - Wikipedia

   en.wikipedia.org/wiki/OPNsense

   OPNsense is an open source, FreeBSD-based firewall and routing software developed by Deciso, a company in the Netherlands that makes hardware and sells support packages for OPNsense. Launched in 2015, [2] it is a fork of pfSense, which in turn was forked from m0n0wall built on FreeBSD. [3]

9. Microsegmentation (network security) - Wikipedia

   en.wikipedia.org/wiki/Microsegmentation_(network...

   This software, however, must be installed on every host. [4] Hypervisor segmentation: In this implementation of microsegmentation, all traffic passes through a hypervisor. [4] Since hypervisor-level traffic monitoring is possible, existing firewalls can be used, and rules can be migrated to new hypervisors as instances are spun up and spun down ...