3 ms·A firewall (which must also host a resolver) Is that true? Per what spec are you referring to?by nickburns 2y agoA firewall (which must also host a resolver) Is that true? Per what spec are you referring to?Zak 2y agoignoramous probably meant that in order to block access to all IP addresses that it has not recently resolved, the firewall must also host or communicate closely with a resolver. This is a tautology, not a spec.nickburns 2y agoAh, I definitely misread. Thanks!