SSL CERT issue on some ISPs or devices
icon2341
PROOP

4 months ago

Hello, I'm hosting my website through Railway with Cloudflare as a DNS flattening service.

Certain devices or certain ISPs will have a persistent and unavoidable

ERR_SSL_PROTOCOL_ERROR

for my website local-app.xyz

It has been 48 hours since we set everything up, and when those users switch to LTE through their mobile carrier, they're able to connect fine.

This is only maybe 2% of users.

I've never had any issues, and all the SSL checkers online say that we have a certificate, but for certain ISPs we don't have one, or it's mismatched somehow.

$10 Bounty

6 Replies

Railway
BOT

4 months ago

Hey there! We've found the following might help you get unblocked faster:

If you find the answer from one of these, please let us know by solving the thread!


icon2341
PROOP

4 months ago

SSLCHECKER:

Revocation statusValidation error
CRL ERROR: IOException occurred


DNS CAANo (more info)

Not sure if this is related.

My Cloudflare seems fine as well, i have SSL Full and I am using it as the entire DNS with nameservers on my registrar (squarespace)


paulinebaeni
HOBBY

a month ago

Hey @icon2341,

Did you ever find a solution for your issue? I am having the exact same problem!

Best,

Pauline


paulinebaeni

Hey @icon2341,Did you ever find a solution for your issue? I am having the exact same problem!Best,Pauline

icon2341
PROOP

a month ago

Hi Pauline,

Nope, pretty sure it’s a railway issue… the pro strategy is to get a cloud-flare account (free) and set that up as a proxy so that cloud-flare handles your certs to client, since railway isn’t working right; there is a GitHub issue explaining more.


paulinebaeni
HOBBY

a month ago

Thank you for your quick answer! Do you happen to have the link to that Github issue?


paulinebaeni
HOBBY

a month ago

Hey @icon2341 - curious if you have the link to that GitHub issue?


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