How To Install an SSL Certificate on Proxmox

How To Install an SSL Certificate on Proxmox

Proxmox Virtual Environment (Proxmox VE) is an open-source server virtualization platform based on QEMU/KVM and LXC containers. It allows you to manage virtual machines and containers efficiently.

By default, Proxmox uses self-signed SSL certificates to encrypt the web interface. However, self-signed certificates do not provide valid identity assurance and are flagged as insecure by web browsers. To securely access the Proxmox web interface from remote clients and avoid browser warnings, you need to install a valid SSL certificate issued by a trusted Certificate Authority (CA) on Proxmox.

In this video tutorial on how to install an SSL certificate on Proxmox, we will walk you through the entire process of procuring an SSL certificate suitable for Proxmox and installing it.

Commands used:

openssl genrsa -aes256 -out ca-key.pem 4096
openssl req -new -x509 -sha256 -days 3650 -key ca-key.pem -out ca.pem
openssl genrsa -out cert-key.pem 4096
openssl req -new -sha256 -subj "/CN=proxmox" -key cert-key.pem -out cert.csr
echo "subjectAltName=DNS:your-dns.record,IP:x.x.x.x" extfile.cnf
openssl x509 -req -sha256 -days 3650 -in cert.csr -CA ca.pem -CAkey ca-key.pem -out cert.pem -extfile extfile.cnf -CAcreateserial
cat cert.pem ＞＞ fullchain.pem
cat ca.pem ＞ ＞ fullchain.pem











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#ssl #certificate #proxmox