LINUX
Remote Access and Authentication.
Written by V R Sunday, 24 October 2010 18:43
Just about the time systems administrators managed to get a handle on network security virtual private networks appeared on the scene,and administrators jobs got a whole lot tougher.The network perimeter now extends to all the systems that connect to it remotely,at least for the duration of the dial-in-session.VPN standards such as IPSec and PPTP provide a common framework for data privacy,but they do not completely address the issue of authentication,and that fail to cover the issue of authentication and access control.
Network Security.
Written by V R Sunday, 24 October 2010 18:38
Securing the system from the potential mischief of employees or users who are otherwise in good standing is a great step forward,but it only covers a system that is isolated from the outside world.This is clearly not a realistic prospect,since most Linux servers are deployed to serve the user population over a network that is often public.Thus,the diligent Linux administrator should carefully evaluate the server's physical connection to the network,including all its interface,their TCP/IP configurations and,most important the configuration of the server's active network daemons.
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