jask zakazu ICMP Echo Reply (zvenku), kdyz v systemu nemam iptables, ipchains? Diky.

[Oqak]

> jask zakazu ICMP Echo Reply (zvenku), kdyz v systemu nemam iptables, 
> ipchains?
>> Diky.
>
> sysctl -w net.ipv4.icmp_echo_ignore_all=1
´
:(

-sh: sysctl: not found