When I was involved with the Australian Stock Exchange we had no ICMP to the internet, limited internally across zones, minimal in the DMZ etc. This was a 6 9's environment (i.e. 99.9999% uptime). There was only a couple issues with ICMP. ICMP was allowed and restricted based on a business need. Th...
When I was involved with the Australian Stock Exchange we had no ICMP to the internet, limited internally across zones, minimal in the DMZ etc. This was a 6 9's environment (i.e. 99.9999% uptime). There was only a couple issues with ICMP. ICMP was allowed and restricted based on a business need. Th...
[ more ]