On Wed, 3 Oct 2007, Mark Smith wrote:
The value of network perimeterisation as a security measure, of which NAT is a method, is being questioned significantly by network security people. The obvious example of why it is being questioned is when the CEO brings their laptop inside the "gooey" centre, bypassing the "hard shell" corporate firewalling/NAT box, and infecting all the devices on the corporate network with the malware they've caught from their home broadband connection.
Universities have understood this for many years, with the termly influx of infected student computers. Tony. -- f.a.n.finch <dot@dotat.at> http://dotat.at/ IRISH SEA: SOUTHERLY, BACKING NORTHEASTERLY FOR A TIME, 3 OR 4. SLIGHT OR MODERATE. SHOWERS. MODERATE OR GOOD, OCCASIONALLY POOR.