Firewalls are another protective device for networks that stand in the way of a penetration tester or attacker. Firewalls represent a barrier or logical delineation between two zones or areas of trust. In its simplest form an implementation of a firewall represents the barrier between a private and a public network. When discussing firewalls, it … Read more
It is a hardware/software which acts as a shield between an organization‟s network and the internet and protects it from the threats like virus, malware, hackers, etc. It can be used to limit the persons who can have access to your network and send information to you. Figure : Firewall There are two type of … Read more
HOW TO SET UP A FIREWALL UNDER LINUX? To configure a Linux firewall, you will likely use the latest implementation of firewalling, called IPTables. IPTables is a packet filter for kernels 2.4 and above. It is a tremendous improvement over IPChains and provides enhanced features such as stateful packet filtering, Network Address Translation, MAC Address … Read more