Cyan Secure Web Proxy Server is a carrier grade,high performance Internet filtering proxy serverfor Linux. It includes scalable (user/group/host)Web filter and virus scan utilities for blockingmalicious applications at the gateway. It has anadvanced URL database, authentication support(Active Directory, LDAP, NTLM), SSL Interception,easy deployment, and remote administration. License: Other/Proprietary License with Free TrialChanges:
Active directory authentication via Samba has been implemented. SUP is configurable individually for each category in each profile. There are reporting system enhancements. Problems with IE 6.0 have been fixed. A group authentication bug with Windows authentication has been fixed.