This is a discussion on Re: How to make Linux answer for ICMP Address mask request? - Security ; Piotr Sobolewski wrote: > Hello, > > How can I make Linux (2.6 kernel) answer for ICMP Address mask request? > Should I set something in /proc/sys/net? > AFAIK , iptables -A INPUT -p icmp --icmp-type address-mask-request -j ACCEPT iptables ...
Piotr Sobolewski wrote:
> Hello,
>
> How can I make Linux (2.6 kernel) answer for ICMP Address mask request?
> Should I set something in /proc/sys/net?
>
AFAIK,
iptables -A INPUT -p icmp --icmp-type address-mask-request -j ACCEPT
iptables -A OUTPUT -p icmp --icmp-type address-mask-reply -j ACCEPT
cheers,
Eric
