Managing Linux® Systems with Webmin™ System Administration and Module Development

41.12. Restricting Clients by IP Address

Even though it is possible to block clients from certain addresses by ensuring that they do not fall into any class, there is a feature in the module dedicated specifically to blocking clients based on their IP addresses or hostnames. This can be used to lock out specific hosts that are abusing your FTP server, or to restrict access to clients from only your own company or home network.

To define banned client systems, follow these steps:

1.	Click on the Limits and Access Control icon on the module's main page to open the form shown in Figure 41.4.
2.	Each row in the Deny access from table specifies an IP address, hostname, or pattern from which block logins. As with other tables in this module, there ...