System moduli file for sshd
/etc/moduli
The /etc/moduli file contains the system-wide Diffie-Hellman prime moduli for sshd. For more information, see /etc/moduli in the NetBSD documentation.
scp, sftp, sftp-server, ssh, ssh-add, ssh-agent, ssh-keygen, ssh-keyscan, ssh-keysign, ~/.ssh/ssh_config, /etc/ssh/ssh_config, sshd, /etc/ssh/sshd_config in the NetBSD documentation