Personal Firewall lets you manage access permissions for programs, and block programs from connecting to risky sites. 
 In the 
Internet Connections for Programs drawer, you can: 
| • | Allow full access for programs.  | 
| • | Allow outgoing access for programs.  | 
| • | Block access for programs.  | 
| • | Remove the access permissions of programs.  | 
| • | Block programs from connecting to risky sites.  |