[ntp:questions] IPv6 and ip6tables

David Woolley david at ex.djwhome.demon.invalid
Thu Mar 14 07:58:38 UTC 2013


Rob wrote:

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

The classic result of ICMP paranoia is breaking Path MTU Discovery, 
meaning that the connection stalls the first time a long packet is 
transmitted.



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