NxFilter is a freeware web-filter designed for monitoring and filtering internet activity within an enterprise environment. You will also be able to protect your users from malware and botnets while enjoying the many useful features listed below. NxFilter Features: Local DNS cache to accelerate Internet speed Load-balancing and fail-safe with clustering Active Directory integration support User or Group based policy assignment Remote user filtering Bandwidth control Quota time Phishing protection Malware and botnet detection Application control Safe-search enforcing Dual policy for work-time and free-time 4 types of user authentication-IP based authentication-Password based authentication-LDAP authentication-Single sign-on with Active Directory Blocking by domain category Unlimited custom categories Built-in GUI Dashboard and reporting Runs everywhere including Windows, Linux Whitelist and Blacklist based on domain matching and keyword searching DNS query log search with various conditions Internationalized domain name support Email alert Syslog exportation