Qualys Offers Free Network Vulnerability Scans with Qualysguard Trial
QualysGuard is a Web-based service that scans networks for vulnerabilities and provides reports on its findings. Qualys lists 24 targeted services, ranging from MS Front Page and SMB shares to SNMP and X Window.
According to Qualys, the product scans for over 300 applications and maintains a database of 1500 vulnerability signatures over 20 operating systems.
Microsoft has released a cumulative security patch, downloadable at http://www.microsoft.com/technet/security/bulletin/MS02-018.asp to address the vulnerabilities