[ntp:questions] IPv6 and ip6tables

Rob nomail at example.com
Wed Mar 13 13:28:37 UTC 2013

Alexandre Y. Harano <harano at nic.br> wrote:
> In IPv4 firewalls, people usually blocks ICMPv4 messages.

That is not a good idea either.  It will cause weird problems.

When you block ICMPv4 you need to know what message types to
block and what the effect will be.

More information about the questions mailing list