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2927AC (4.4.5.2) Unable to Import Letsencrypt Certificates

  • idirian
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12 Jul 2024 16:16 #103467 by idirian
Hi, all.

For the past few years, every 90 days or so, I've imported my current LetsEncrypt Certificate into my 2927 (and previously 2763) without difficulties.

I'm unsure if it's the most recent firmware, but I can no longer do this. I'm doing via "Upload Certificate and Private Key", pointing to two files (cert.pem and privkey.pem), clicking on "Import", all to no avail (nothing happens at all).

I emphasise, I've done things this way, using the same filenames and (to the best of my knowledge) file formats for about four years now, and am mildly frustrated that it's stopped working. I'm aware that there are other ways of doing this, and at the moment, I'm importing a router generated root cert into Firefox etc. and getting around things that way, but it's a not the way I want to do things.

I've also tried converting the keys I have to PKCS12 format, with identical results.

Any ideas?

Thanks.

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29 Jul 2024 16:58 #103536 by dan123land
I'm having exactly the same issue - same router (non wi-fi version) and same firmware.

Anyone able to help?
Thanks

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29 Jul 2024 18:45 #103538 by dan123land
Quick update - i found a workaround to this - downgraded to firmware 4.4.0, uploaded the certs, then upgraded the firmware to 4.4.5.2.

Dirty but works. I'll open a support ticket with Draytek, as it must be a bug introduced since that firmware.

Cheers
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31 Jul 2024 06:36 #103546 by idirian
Great workaround, just a bit of a pain to repeat the process every three months. :)

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31 Jul 2024 13:12 #103548 by dan123land

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31 Jul 2024 18:37 #103549 by piste basher
Excuse my ignorance but do I assume from this that the Let's Encrypt certificate obtained from DrayDDNS isn't really worth having? It's never seemed to do much on my 2927ax.

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