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…
Introduction Dans cet article nous discutons de la fonction de base d’un WAF ou pare-feu d’applications web. Comme son nom l’indique il s’agit de sécuriser l’application, plus précisemment l’accès à cette application, et ne se préoccupe pas nécessairement d’autres aspects sécuritaires : réseau, d’autres applicatifs (niveau 7 OSI) ou de transport (niveau 4 et 5…
In this post let’s detail the operation of PIM (Protocol Independent Multicast) in sparse mode. Previous posts tackled the operation of PIM dense mode. Let’s recall that PIM is the multicast routing protocol that allows PIM routers exchange information needed distribute multicast traffic to receivers. Introduction This blog is a part of a serie of…...
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In this post, we present the work accessible via this link: dRRMize your WIFI… and get your head out of the box!, about radio resources management in a WLAN enterprise network. RRM or Radio Resource Management being fundamental to the operation any unified wireless network and a master piece of any WLC (the Wlan controller)….
Guide pratique de la réussite d’un Dossier d’Archiecture Technique ou DAT. Au centre de cette activité, le DAT Le DAT s’inscrit en amont dans le processus de définition et réalisation d’une solution technique en réponse à une demande besoin. Il se constitue en quelque sorte comme un contrat, entre le client et l’architecte de la…
In this blog, we’ll discuss in detail the operation of HSRP one of the most known FHRP (First Hop Routing Protocols) protocols proposed by Cisco to help secure (in terms of redundancy) the gateway (for hosts or servers) within a LAN. The objective is simple: configure one gateway address and provision as many real routers…...
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