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About ICMP

Posted: 11 Sep 2014, 11:32
by SolidSnake
Hello,

I have question about Blocking all ICMP except these Dynamic DNS
file (csf.dyndns) - all listed domains will be resolved and allowed through the firewall

If I add Dynamic DNS in these & disallow ICMP to 0 value in configuration will the ICMP be allowed in these Dynamic DNS or not

If no , then how to make it only on ICMP to these Dynamic DNS ?

My Regards

Update#1

I'm using CSf via Webmin !

If there is away through Webmin instead of command line it will be more useful & easily

Re: About ICMP

Posted: 15 Jul 2016, 19:34
by Sergio
My advice, don't block ICMP, you should read this article:
http://security.stackexchange.com/quest ... block-icmp