In this blog, we discuss 10 security measures or controls that a LAN should have enabled. Introduction Before we present the 10 security measures to enable, let’s introduce the operation of a switch in a LAN network. Switches An Ethernet switch is the central element of a LAN network and operates at data link OSI…
In this blog, we talk about the general idea about using and IDS or IPS. let’s recall that IDS/IPS stands for intrusion detection and prevention systems. We give examples of implementations of vendors and leaders of the market. Scope of an IDS/IPS Let’s start from a basic setup: clients that try to access ressources on…
In this blog, let’s study static routing with an intermediate address to resolve in a Checkpoint firewall. Introduction Static routing is supported by CKP (Checkpoint firewalls or gateways). Let’s recall that a static route defines a destination subnet or network and the way to reach it: the outgoing interface on the gateway, a connected nexthop…
Let’s discover in this blog the recommended study path and experience to fulfill the requirement for a position as a cybersecurity expert of consultant. What is Cybersecurity in general Per Cisco definition, Cybersecurity is “the practice of protecting systems, networks, data and programs from digital attacks”. The scope may include: identification of attacks, protections of…...
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In this post, we present the work on radio coverage in Wlans, accessible at this address: A novel beamforming based model of coverage and transmission costing in IEEE 802.11 WLAN networks, about how to modalized the radio area coverage to enhance costing of the transmission opportunity in such networks. What this work is about The…...
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In this post, let’s understand hard drive operation and try to find a methodology (procedure) to troubleshoot it (and heal it if needed). Lab setup Let’s describe in detail our “simple” setup. for the purpose of our test we mount this setup: PC + USB to SATA adapter + Seagate 1T HDD. The most basic…
