[GTALUG] Ubuntu -- Disabling Ping

[Jamon Camisso]

On 29/08/18 23:23, Howard Gibson wrote:
>> Try this if you want to go the sudo route:
>>
>> echo 1 |sudo tee /proc/sys/net/ipv4/icmp_echo_ignore_all
> 
>    It works!
> 
>    Thank you.  
> 
>    Now all I have to do is stick it in a boot script.

As Alvin Starr pointed out, if you want this to persist, the best way
would be via sysctl. Try putting 'net.ipv4.icmp_echo_ignore_all=1' in a
file in /etc/sysctl.d, or in /etc/sysctl.conf itself.

Cheers, Jamon