I've believed this for a long time, but try re-educating two generations of IT people who think firewall equals security. It's hard enough to get them to adopt

I've believed this for a long time, but try re-educating two generations of IT people who think firewall equals security. It's hard enough to get them to adopt IPv6 since most think NAT is essential for security. "But my address is world reachable!" Face palm...