new installation unable to update proxmox

starting apt-get update
Ign:1 http://download.proxmox.com/debian/pve bookworm InRelease
Ign:2 http://security.debian.org bookworm-security InRelease
Err:3 http://security.debian.org bookworm-security Release
Cannot initiate the connection to security.debian.org:80 (2a04:4e42:600::644). - connect (101: Network is unreachable) Cannot initiate the connection to security.debian.org:80 (2a04:4e42:200::644). - connect (101: Network is unreachable) Cannot initiate the connection...

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