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Untrusted public key algorithm error on Imunify360 repo with Ubuntu 24.04
There is indeed a way to suppress the warning using the following command:
Code:
echo 'APT::Key::Assert-Pubkey-Algo ">=rsa2048,ed25519,ed448,dsa1024";' | sudo tee /etc/apt/apt.conf.d/99weakkey-warning
As for the permanent fix, I can see that this was relayed to our developers, who informed us about their plans to add a new PGP key and gradually replace it for all clients. Yet no ETA for now, unfortunately.
Untrusted public key algorithm error on Imunify360 repo with Ubuntu 24.04
Good morning.
We've been seeing this sort of error when trying to `apt-get update` on our Ubuntu 24.04 LTS systems. We've seen mention of this over in the Plesk forum but in this case we are not using Plesk on this server.
Code:
[2025-06-05 13:49:19] Err:5 https://repo.imunify360.cloudlinux.com/imunify360/ubuntu/24.04 noble InRelease", "[2025-06-05 13:49:19] The following signatures were invalid: 9EE467641C635726A184D64B8C55A6628608CB71 (untrusted public key algorithm: dsa1024)
As I understand it, there are some workarounds that could be done on our end to configure our system to ignore the untrusted public key, but I believe most system administrators are expecting CloudLinux to update the key use a trusted public key algorithm moving forward. Is there an ETA for this sort of update?
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