By Tom Jowitt
03 July 2009
Most organisations are getting a poor return on their investments in
firewalls due to the complex issues in managing them. This is despite
the fact that enterprises are facing on average 300 network attacks
That's according to an IDC multimedia white paper, The State of Today's
Firewall Management Challenges, sponsored by McAfee.
"This class of product acts as the gatekeeper to the corporate network,"
said Charles Kolodgy, research director at IDC in the multimedia
presentation. "Firewalls inspect IP packets as they enter the network.
The inspection is to determine if the packet conforms to a policy. For
example, is it an acceptable protocol? Based upon the rules configured
into the firewall, the packet will either be allowed through, or
rejected or dropped. Firewalls are the most deployed network security
Various studies have shown that 94 percent of organisations are thought
to have firewalls, although IDC thinks it is more like 85 percent of
organisations have firewalls in place.
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