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 blog let’s try to connect to a home network from outside (internet) in a secure manner using SSL. NAT and PAT NAT and PAT is what allowed local IP addresses translation or mapping to some routable public IP address (over the internet). This mapping can be one to one (NAT) or many to…
In this blog, we will setup a Checkpoint lab using virtualbox and gns3 on windows. Introduction In this lab we implement a basic security architecture to demonstrate the operation of a firewall cluster to protect our network. Our “security domain” is segmented into four zones: Security topology Our security topology is compound by two security…...
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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…
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…
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