ContentWatch’s CP 300 security appliance offers very good content filtering, traffic shaping and anti-malware capabilities, as well as excellent reporting. It also integrates with directory services such as LDAP to let businesses enforce Internet usage policy by person. The device includes a hardware bypass so that network traffic continues to pass through it even if it fails. It lacks context-sensitive help—clicking the Help button downloads and opens a PDF of the manual. Other than a few quirks, everything is where you’d expect it to be, the GUI is responsive, and reporting is excellent.

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