nanog mailing list archives

Re: Help on setting up a new block


From: "Valdis Klētnieks" <valdis.kletnieks () vt edu>
Date: Wed, 20 Mar 2019 13:15:44 -0400

On Wed, 20 Mar 2019 10:22:34 -0400, Pete Baldwin said:

 ��� It's potentially more difficult now than in the past because there 
are some hosting providers that are simply a few people that own VMs on 
some other infrastructure that they do not control or have visibility 
into.� The VM hosting company might be blocking your network, and so the 
VMs never see your traffic.�� This means you might contact Landstar, and 
then Landstar calls up their web person, but the web person doesn't 
understand this stuff.�� The web person phones his web hosting company 
who can't find anything wrong, because they never see your packets to 
begin with.�� Now the web hosting company (if you can get them to do 
this) needs to contact their DC company that is hosting their VMs to 
find out if there is a firewall or anti DDoS system etc that is sitting 
in front of their VMs.

Have we reached the point where it is (or should be) due diligence and a BCP to
make sure your new address space is reachable on IPv6 as well, to improve your
chances of being reachable even if your IPv4 space is in somebody's block list?


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