PatchLink, which is well known for its patch management software, offers WebConsole IT Management Suite for Windows NT/2000 with a PatchLink Alert snap-in module that lets you use SNMP to monitor ISA Server. The snap-in alerts administrators to server runtime and downtime events and to unauthorized firewall breach attempts. The snap-in can monitor and report on multiple ISA Server boxes. PatchLink's Web-based solution lets you use any Java-enabled Web browser to gather realtime monitoring and historical reporting information.
Sane Solutions' NetTracker analyzes ISA Server logs and provides detailed statistics. The software comes with more than 80 standard reports, plus wizards to design more customized filters and reports. Administrators can readily export information to Microsoft Word, Excel, and Access.
Aelita Software's InTrust (formerly EventAdmin) software collects, consolidates, and reports on ISA Server events. It comes with 60 predefined reports and lets you use OLAP to perform data analysis. The software can alert administrators through email, pager, network message, or SNMP trap notifications. You can save reports in HTML, XML, PDF, comma-separated value (CSV), text, and other popular Microsoft formats.
Burst Technology offers ISAFilter and bt-LogAnalyzer separately or combined as its Employee Productivity Management (EPM) solution. Both products use the MMC for administration and work with Active Directory (AD) in mixed or native mode. ISAFilter blocks inappropriate Web content based on category, time of day, bandwidth quotas, length of time, and day of week. bt-LogAnalyzer categorizes and reports on email and Web content. Web usage is broken down into predefined categories, such as sex, sports, and malicious code. Email usage reports identify the most popular message domains sending mail to and from your organization.
WebSpy's ISA Server Suite includes a copy of ISA Server and a copy of WebSpy's WebSpy Analyzer Standard. WebSpy Analyzer Standard is a reporting tool that lets you summarize and drill down into your organization's Internet use. The software reads more than 20 different log formats from various firewalls and proxies and exports the information in almost a dozen different formats. WebSpy Analyzer Standard comes with a Web-based client to review its predefined multi-tiered reports.
Security Enhancements
Although ISA Server works well as a firewall and proxy, many third-party products are available that can help you strengthen your defenses against a hostile world. Security add-ons fall into four categories: content and application security, intrusion detection, URL filtering, and user authentication.
Content and application security. Content and application security add-ons work by analyzing data within the application layer. Akonix Systems has made a name for itself by monitoring and securing Instant Messaging (IM) communications in the corporate environment. The company's Akonix L7 Enterprise for ISA Server lets you secure unmanaged public IM. After you install the software as an ISA Server application filter, it begins mapping active IM sessions and chat names to users' network ID. You can then monitor and store IM sessions or deny messages based on content, size, destination, and user name. You can also configure Akonix L7 Enterprise for ISA Server to scan IM file attachments and enforce the use of the latest IM clients to minimize security holes.
Symantec extends its antivirus protection to ISA Server by filtering and protecting Web, SMTP, and FTP connections over HTTP traffic. Symantec AntiVirus for Microsoft ISA Server works by installing an ISA Server filter that intercepts and passes monitored content to a separate server running Symantec's antivirus scan engine. The scan engine inspects, cleans, repairs, and returns the content to ISA Server for forwarding to users. The software can alert administrators by using SMTP, SNMP, or any of the default ISA Server reporting mechanisms.
Trend Micro's InterScan WebProtect for ISA is installed as an Internet Server API (ISAPI) filter on ISA Server systems to scan and protect HTTP and FTP connections over HTTP traffic. The software also scans for malicious Java applets and ActiveX objects and uses Trend Micro's MacroTrap technology to detect known and unknown macro viruses.
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