nanog mailing list archives

Re: WIndows Updates Fail Via IPv6 - Update!


From: Stephen Satchell <list () satchell net>
Date: Sun, 3 Mar 2019 14:33:59 -0800

On 3/3/19 1:04 PM, Mark Andrews wrote:
There are lots of IDIOTS out there that BLOCK ALL ICMP.  That blocks PTB getting
back to the TCP servers.

For those of us who are in the dark, "PTB" appears to refer to "Packet
Too Big" responses in ICMPv6.

Yes, some admins don't have fine-enough grain tools to block or throttle
specific types of ICMP, but that's the fault of the vendors, not the admins.


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