Hi Daniel,
the command you're looking for is "restrict". Please see below:
CSS(config)# restrict ?
console Restrict Console access
ftp Restrict FTP access
secure-xml Restrict secure XML access
snmp Restrict SNMP access
ssh Restrict SSH access
telnet Restrict Telnet access
user-database Restrict User Database access
web-mgmt Restrict Web Management access
xml Restrict XML access
hope this helps,
Fabrizio