An Automatic Mechanism to Redirect Incredible Flow to Content-Filtering Proxy Base on General VPN
Xiangdong Jiang · China Information Security · 2007
This paper presents a simple but efficient Content-Filtering method by the introduction of white-list. The visits to credible web sites included in white-list are not filtered. On the contrary the visits to incredible web sites are automatically re-directed to proxy or application-layer firewall for content filtering via general VPN mechanism. Thus the efficiency of communication is greatly improved.