@Clive_A Thanks much for responding so quickly. Apologies for this short aside of info: Some folks on the internet have offered negative opinions of Mr. Gibson's his utilities. These folks have...

@Clive_A Thanks much for this thread and all the info. The ER605(UN)_v2_2.2.3-Build20231201 firmware did fix up my router so it passed Shield's Up Port Scan - all ports were stealth mode. However,...