|  | LibraryDoor | Symantec I-Gear | WebSense | SurfControl | N2H2 (Bess) | 
       
        | Estimated price (Yearly Subscription for 75 Computers) | $1,250.00 | $4,155.00 | $4,495.00 | $4,600.00 | $3,513.60 | 
       
        | Web-Based Administration |  |  |  |  |  | 
       
        | Site Black List Viewable and Editable |  |  |  |  |  | 
       
        | Can filter by word/phrase weighting system |  |  |  |  |  | 
       
        | Allow internet access by users, groups of users, or workstation |  |  |  |  |  | 
       
        | Editable word/phrase weighting system |  |  |  |  |  | 
       
        | Editable exception list for specified sites, parts of sites, browser IPs and usernames |  |  |  |  |  | 
       
        | Filters by whitelist mode where all sites except those listed are blocked |  |  |  |  |  | 
       
        | Filters site by IP address or URL |  |  |  |  |  | 
       
        | Automatic Software Updates by vendor |  |  |  |  |  | 
       
        | Free/Unlimited (Live Person) Technical Support |  |  |  |  |  | 
       
        | Filters text and HTML pages for obscene (sexual, racial, violent, etc.) content |  |  |  |  |  | 
       
        | Hardware Maintenance Provided |  |  |  |  |  | 
       
        | Hardware Upgrades |  |  |  |  |  | 
       
        | Hardware Warranty Replacement Program |  |  |  |  |  | 
       
        | Firewall Provided |  |  |  |  |  | 
       
        | Proxy/Caching Server Provided |  |  |  |  |  | 
       
        | DHCP Server Provided |  |  |  |  |  | 
       
        | DNS Server Provided |  |  |  |  |  | 
       
        | Network Address Translation (NAT service) Provided |  |  |  |  |  |