http://www.ledanet.org www.ledanet.org Wed, 01 Feb 2012 11:40:48 +0000 http://backend.userland.com/rss092 en Multiuser systems, typically found on server systems, usually have the rights and authorized actions for users partitioned into groups. One group may be able to read most of the system, for example, but not modify system files. Another may be able to read sensitive files but not modify them. A ... http://www.ledanet.org/partitioned-privileges/ Host-based firewalls are a complement to a network-based firewall. While most systems do not run host-based firewalls, instead relying on the network’s firewall to provide them with protection, at the host level more fine-grained control can be applied. This method also acts as a fail over protection for the network-based ... http://www.ledanet.org/host-based-firewall/ The easiest way to defend against network-based worms coming from the Internet is to remove any links to the outside world. This would leave only the internal network vulnerable to attacks that originated inside. Obviously, this is not a viable solution for many, because the Internet’s communications links are important ... http://www.ledanet.org/host-based-defense/ The evolution of software broadly classified into the era of the lack of computer and after the introduction of computers. Before the computer era is divided into primitive and mechanical era. Whereas in the era after the introduction of computers, software evolution follows the evolution of the computer hardware itself. The ... http://www.ledanet.org/software-evolution/ When the use of a proxy server provides privileged access to locations and system, the use of that server may be restricted. Typically, a user begins his or her use of the application gateway by providing some form of credentials to the proxy server. This can be done using several ... http://www.ledanet.org/authentication-with-proxy-server/ Second type of network firewall is the proxy server. Firewalls built on proxy servers use a technology based on a third party brokering a request for a client to a server. This third party is made up of the proxy server, which is connected to and passes the resulting information ... http://www.ledanet.org/network-defense-proxy/ Continuing last article, lets have a look at the second step in the protection of a network at the host and service level is to ensure that the services are properly configured. Misconfiguration of services can expose the host to new vulnerabilities that would otherwise be absent. If the software ... http://www.ledanet.org/features-within-a-service/