Having alittle more time to read through all this here, at broadbandreports (link above), and giving up over at ZA forums, who are swamped with multiple threads, it made more sense to me to install KB 951748 and make the reasonable temp workaround in ZA.
Had I not been behind a router, I don't know if I'd make a choice to reduce the security level of my firewall however.
As best I can understand this DNS issue, and the "coordinated" effort of those vendors, including MS to issue these patches, it seems that having the KB 951748 goes beyond "important."
Was sooo appreciative that Winchester73 took the time to futz with the possible workarounds and report it. Better you than me around firewalls and troubleshooting connection issues.
These are the type of "experiences" that get reported online that cause people to disregard or ignore certain OS security updates beyond the time of fixes or alternatives, and actually leave themselves in a more vulnerable position in the long run it seems.
Once again Winchester73, thank you for the heads up...twas "hearing" violins playing hero cowboy music all day today :lol: