How to make Linux answer for ICMP Address mask request?

This is a discussion on How to make Linux answer for ICMP Address mask request? within the Linux Security forums, part of the System Security and Security Related category; Hello, How can I make Linux (2.6 kernel) answer for ICMP Address mask request? Should I set something in /...


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  #1 (permalink)  
Old 11-29-2005
Piotr Sobolewski
 
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Default How to make Linux answer for ICMP Address mask request?

Hello,

How can I make Linux (2.6 kernel) answer for ICMP Address mask request?
Should I set something in /proc/sys/net?

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Piotr Sobolewski http://sobolewscy.tehran.lain.pl/piotr/
http://www.wstepwolny.w.pl
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  #2 (permalink)  
Old 11-30-2005
EricT
 
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Default Re: How to make Linux answer for ICMP Address mask request?

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
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