Steven Kerr wrote:

> "you may even stop responses to ping to really be invisable."
>
> Pardon me for asking...
>
> I know it is possible, but how do you do it ?

ipchains -A output --proto icmp --icmp-type echo-reply -j DENY

That would block ping replies to everywhere.  You could include other
rules to allow ping replies to some machines.

-- 

Alexander Else
Internet Operations Technician
OzEmail / UUNET Asia Pacific Operations
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