[GTALUG] Ubuntu -- Disabling Ping

[James Knott]

On 08/30/2018 12:04 PM, Alvin Starr via talk wrote:
> There are other ICMP messages that can be used for probing like
> timestamp(msg-13).
> All around all disabling ping does for you is to make it harder for
> your ISP or IT support people to see if you are having network
> problems and the really really stupid script kiddies trying to probe you.

There are some who advocate blocking ICMP entirely.  As mentioned, it
can cause problems for legitimate testing and, on IPv6, cause failures.