mfw allows multiple firewall configurations to be managed from the commandline on Mac OS X. Multiple firewall modes (and easy means of selecting between them) are useful on laptops, where one may want a default paranoid firewall, a mode for network scanning with nmap, modes for various networked games, or to run a software Network Address Translation (NAT) wireless base station.
Lizard Safeguard PDF Security software encrypts PDF documents to prevent unauthorized viewing, copying, sharing, modifying, printing, and saving in unprotected form. It can also restrict the number of times an authorized operation can be performed. It prevents screenshots from being taken. Documents can be set to expire after a certain time, and permission to use a document can be instantly revoked. The software can be rebranded with your own company information. A simple-to-use Web-based administration system lets you control customer access.