RE: icmp echo-requests?

["Daniel R. Miessler" <danielrm26 () hotmail com>]

> in my firewall logs I see a lot of echo-requests within the internal
network. Of
> course, the simplest answer to these events is that pings are causing
these events.
> But on these machines definitely no pings are startet to that times. 

An echo-request IS a ping (or at least part of it).  There is no
difference.  When you 'ping' something you are just using the ICMP
protocol to try and contact a certain host.  This is done with an
echo-request (a specific type of ICMP).

--danielrm26