Operational only in the sense that network operators will get asked about this fun statistic by their managers on Internet infrastructure attacks. NIST's ITL bulletin covered "Computer Attacks: What are they and how to defend against them" this month. NIST researchers estimated that 5% of the computer attacks they analyzed were against "Internet infrastructure" (which, in their analysis, includes both routers and firewalls). http://www.nist.gov/itl/lab/bulletns/may99.htm Instead of diverting your manager's attention by yelling "Watch where you step, the token fell out of the ethernet!" you might try soothing his concerns by reporting the bulletin also said most Internet infrastructure attacks were scanning and denial of service, and few involved penetration attacks. # config t (config)# ! too many commands to list here, ask the TAC for help securing (config)# ! your router -- Sean Donelan, Data Research Associates, Inc, St. Louis, MO Affiliation given for identification not representation