/etc/webmin/webmin.acl

cat > /etc/webmin/webmin.acl << 'EOT'
altagrade: acl proftpd adsl-client apache at backup-config bacula-backup bandwidth bind8 cpan cron custom dfsadmin exports fdisk fetchmail filemin filter fsdump grub htaccess-htpasswd idmapd inetd init inittab ipfilter ipfw ipsec iscsi-client iscsi-server iscsi-target iscsi-tgtd logrotate lvm mailcap mon mount mysql net openslp package-updates pam pap phpini postfix postgresql ppp-client pptp-client pptp-server quota raid samba sarg sendmail servers shell smart-status smf software spam sshd status syslog-ng syslog system-status time tunnel updown useradmin vgetty webmin webmincron webminlog xinetd virtual-server virtualmin-htpasswd php-pear virtualmin-slavedns bsdexports bsdfdisk format hpuxexports rbac sgiexports zones
EOT