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Author Topic: ERR_CERT_COMMON_NAME_INVALID in Chrome with DIR-615  (Read 1601 times)

terryturbo

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ERR_CERT_COMMON_NAME_INVALID in Chrome with DIR-615
« on: March 12, 2022, 07:27:50 AM »

I am helping a friend who has a DIR-615 and is having a strange issue where they cannot use Cisco Jabber. The Jabber client gives a certificate error when attempting to connect to loginp.webexconnect.com. So I tried to connect to that site via Chrome and I encountered a ERR_CERT_COMMON_NAME_INVALID error (an example is shown below). When they use their iPhone to tether for Internet access everything works fine.

I have tried various steps:
  • Upgraded firmware from 8.02 to 8.05 B06
  • Noticed the time and date weren't set so enabled NTP option
  • Changed DNS to Cloudflare 1.1.1.1 & 1.0.0.1
  • Tried disabling ALG for SIP under Firewall settings
  • Tried disabling SPI under Firewall Settings
  • Tried putting PC in DMZ

Any ideas on what else I can try? Recognize this is a legacy router so they should just go out and buy a new one but thought I would try and see if there were any ideas here. Just strange it only happens via the DIR-615. I didn't think it would interrupt SSL traffic.

Thanks!

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FurryNutz

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Re: ERR_CERT_COMMON_NAME_INVALID in Chrome with DIR-615
« Reply #1 on: March 14, 2022, 08:39:55 PM »

What is the Mfr and model# of the Internet Service Providers modem/ONT the router is connected too?
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.

terryturbo

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Re: ERR_CERT_COMMON_NAME_INVALID in Chrome with DIR-615
« Reply #2 on: March 15, 2022, 01:24:29 PM »

The cable modem is a Thomson THG571.
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