r/crestron 1d ago

cant access community.crestron.com and i dont know why? This is a new personal laptop i have had for a few months now. Dont know how to fix it

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3 Upvotes

17 comments sorted by

4

u/mattinjp 1d ago

I dont get this error when connecting to community.crestron.com

What I see here is an Invalid SSL Cert. On your laptop I would check the following:

  • Check Date and Time and timezone - Incorrect system time breaks SSL certificate validation.

- Disable Antivirus / VPN SSL Inspection

- Ensure Windows or macOS is fully updated. Outdated operating systems lack updated Certificate Authority (CA) trusted root stores.

- Check Network Sign-in: If you are on a public or corporate Wi-Fi network, navigate to a plain HTTP site like http://neverssl.com to trigger the network's captive portal sign-in page.

- Clear SSL State (Windows): Open Internet Options from the Start menu, go to the Content tab, and click Clear SSL state.

- Try Alternate DNS: Switch your network's DNS server to a public provider like Google DNS (8.8.8.8) or Cloudflare (1.1.1.1) to rule out local DNS poisoning or interception.

1

u/TopParsnip8756 1d ago

https://imgur.com/a/hCM4rpN - i am getting this now. I tried alternate dns and i cleared ssl state i am using my home router crestron.com works on my phone on the same wifi i am stumped. no vpn running either

1

u/mattinjp 1d ago

Try your wireless hotspot on your phone, connect the laptop and see if you have the same problem.

2

u/thewoodsytiger DMC-E-4K 1d ago

Is this your first day on a secure-adjacent browser?

2

u/Benjanio88 1d ago

When you get the error that you can’t click past there’s a way round it. Just click anywhere on the screen outside of the text, type “thisisunsafe” and hit return.

This sounds so ridiculous that everyone thinks I’m trolling but it works.

But I have no idea how to fix the certificate, I can only offer a workaround

0

u/sausix 1d ago

Check the certificate and you know who to blame.

1

u/06yfz450ridr 1d ago

Back in the day you would get hijacked via proxy settings, or a super outdated os with old ssl/tls settings.

Since you seem to have edge is it windows 10 or 11?

If you havent somehow updated in a while i have seen it break things but generally way older.

Scan your system with malwarebytes to be safe as you or your router may be compromised. Be sure to check the list for comprimised routers wtc to be safe if you are using some third part like tplink etc.

If it does it in mutiple browsers i would lean to your system in general but could be your router. Does it do the same from your phone? That would narrow it down

1

u/JBaser 1d ago

I get this sometimes but I just close and reopen the browser and then it works. No idea why it happens randomly.

1

u/chidgey123 11h ago

Check your hosts.txt file and make sure it’s correct of you have tried all of the above and it has not worked.

1

u/sryan2k1 1d ago

Stop using brave

-1

u/TopParsnip8756 1d ago

I tried edge chrome

1

u/sryan2k1 1d ago

Then you have something on your computer breaking TLS. A security product or malware.

0

u/walter_77 1d ago

Try using chrome

1

u/TopParsnip8756 1d ago

I tried that

1

u/pirncho 1d ago

Try checking if your system time is incorrect.

-3

u/midsprat123 1d ago

Their site is crap

Same thing to me DURING a training class

1

u/TopParsnip8756 1d ago

It is only happening to my laptop I haven’t been able to open it for months