Packet Filtering Firewall
The purpose of this article is to show how an AIX server can be configured to filter TCPIP traffic using the operating systems built-in filtering capabilities. This firewall type applies a variety of security mechanisms once a UDP or TCP connection has been made. How Firewalls Work A Firewall Is Simply A Program Or Hardware Device That Filters The Information Comi Computer Network Network Security Technology Networking The firewall maintains an access control list which dictates what packets will be looked at and what action should be applied if any with the default action set to silent discard. . Rather they compare each packet received to a set of established criteria such as the allowed IP addresses packet type port number and other aspects. The static packet filter does not impact performance to any noticeable degree and its. Packet filtering can be very helpful but it can be challenging to properly configure. If you w...