Cyclope Internet Filtering Proxy 

Cyclope Internet Filtering Proxy monitors the entire Internet traffic and blocks the access to websites and files according to the chosen filter. The Internet Filter allows to specify URL, keywords and file types rules.
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FilterGate 

FilterGate automatically blocks Popup-Windows, Banner-Ads, Privacy-invasions, Adult-content and more. FilterGate comes in one easy to use package offering you cleaner browsing and peace of mind.
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