An application for Internet content filtering, and for the creation of a secure internet. It can be used by organizations which require an effective and secure workplace for their employees.

There are several reasons why you may wish to use content filtering, or block access to the internet in your workplace.
You can create a:
- More effective work environment many employees spend a lot of their time on servers viewing entertainment sites.
- More secure environment for business information including the blocking of random uploading of sensitive documents
- Antivirus protection resulting in better security for the whole local network
- Better performance of local networks by restricting the download of files not needed at work, such as multimedia files (MP3, AVI) which can slow down Internet access.
- Protection against non-standard behavior the visiting of erotic or pornography pages can be seen as sexual harassment
- Total overview of user activity detailed reports about user activity including information about visited sites and the size of transferred data etc.

Net.purum can block:
- Infected files
- Advertisements
- Prohibited categories of web pages
- Prohibited file extensions
- Prohibited search terms i.e. in search engines
- Use of method POST
- Cookies
- Specific language
- Users who exceed a pre-set monthly data transfer size limit
- Prohibited “Content-type“ in a HTTP answer

Exactly what, and how to block, can be set very specifically for each user group.
Rules for blocking are sorted into categories. All users are included in groups and into each group, blocked categories can be assigned.

avast! Net.purum works like a proxy filter. Either MS ISA server or an internal proxy server can be used. Rules and configuration are stored in a database where either MS SQL server or MSDE can be used.
Users can be defined by IP address or by login name (NTLM authorization).

Price depends on number of PCs and on time period.