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Analyze IIS logs and monitor critical IIS server events in real-time with EventLog Analyzer

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Microsoft IIS servers, both web and FTP, have become essential for businesses. However, an IT security administrator's job doesn't stop with deploying IIS servers. Post deployment, administrators have to adopt security measures to protect those servers. One proven way to monitor the security of IIS servers is by installing a log management tool that provides out-of-the-box support for IIS logs.

EventLog Analyzer is a comprehensive tool that can manage and audit your Microsoft IIS server logs and provide you with crucial insights on the activities happening in your IIS servers. This software has out-of-the-box support for both IIS web and IIS FTP server logs, and provides in-depth reports that make your auditing job a lot easier.


Other solutions offered by EventLog Analyzer

  • Log archival

    Utilize the automated log archiving feature in EventLog Analyzer to securely store IIS logs, comply with security mandates such as Cybersecurity Maturity Model Certification(CMMC), Codes of Connection(CoCo), Good Practice Guide(GPG), and FERPA that require IIS log data, and conduct forensic analysis in case of web server attacks and network compromise.

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  • Real-time alerting

    Set-up alerts for critical anomalies and error events using EventLog Analyzer's alerts dashboard which contains predefined alert criteria based on IIS report profiles. Enable real-time notifications via email or SMS, add alert severity level, customize the alert message format, set the threshold values for the alert trigger, and configure other advanced settings to create a complete profile.

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  • Windows log analyzer

    Audit Windows environments thoroughly with EventLog Analyzer's reports for Windows client machines, servers, firewalls, user activities, active directory, and Windows based threats.

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  • Application log monitoring

    Along with monitoring IIS web and FTP servers, EventLog Analyzer also supports Apache servers, database applications such as MySQL, Oracle server, IBM Db2 and PostgreSQL, DHCP servers, print servers, and third party applications.

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  • Event correlation

    Correlate IIS logs with events detected across various endpoint devices and applications to identify threat patterns and attack attempts. One example is an application suddenly crashes and new files pop up on your server. This can be correlated with spikes in the interaction with a new external IP by analyzing the firewall logs. This is a possible indicator of a threat actor transferring malware payload to your IIS server. Similarly, EventLog Analyzer offers over 30 predefined correlation rules, options to customize and create new rules, and trigger alerts when patterns are matched.

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Frequently asked questions

1. What information do IIS logs hold?

The IIS logs record the activities and events occurring in the Microsoft IIS servers. You can obtain the following critical information from the IIS logs:

  • Server-side data: Server name, IP address, server bytes sent, service status code, users and admins who access and make changes to the server, configuration changes, and timestamp of every activity.
  • Client-side data: Client IP address, service and instance used to send request to the server, request type, requested file, and other parameters in the request.

2. How to manually analyze the IIS logs ?

To manually analyze the IIS logs, you need to enable logging for the hosted sites, select the fields to be logged, and configure log storage and compression. IIS logs are notoriously known for taking up a large amount of storage.

To configure the IIS settings, Launch the IIS Manager > head to the Connections pane > select the intended site > go to the Actions pane > select Settings.

Once log collection is initiated, upload the log files to an open source log parser tool, choose a suitable predefined pattern or add a custom one, export the parsed data to an excel sheet, and generate reports.

3. Why are log management tools required to analyze IIS logs?

The manual method may work for IIS servers hosting limited applications and serving a very small number of end users. However, as the scale grows, it's imperative to use an automated IIS log analyzer tool that can generate reports on the go.

A centralized on-premise log management solution like EventLog Analyzer can comprehensively manage IIS servers and seamlessly perform the following actions:

  • Collect, parse, manage, monitor, and analyze IIS web server and IIS FTP server logs.
  • Allow users to import log data through an easy-to-use interface and enable periodical log import through log scheduler.
  • Audit server activities such as account changes, error codes thrown, files uploaded and downloaded, and more.
  • Monitor user activities such as logons and logoffs so that any unusual user behavior is instantly detected.
  • Detect anomalies occurring in IIS servers and immediately alert users in real time.
  • Provide pre-made audit reports on IIS web and FTP servers for meeting IT regulatory compliance needs.

Ratings and reviews

Recognized and loved globally

Amazing event monitoring software
The best part of ManageEngine EventLog Analyzer is that the interface is very intuitive and quick to grasp.

Administrator Information technology and services

Great for centralizing all your windows machines. You can flag certain events to trigger different actions of your choosing.

Joseph L IT manager

EventLog Analyzer is able of monitor file integrity, analyze log data, track privileged users and examine data logs. The software is secure as it uses latest encryption technologies.

Sophie S eAfrica Solutions, administrator

I am very happy with my experience of using the EventLog Analyzer as after the very installation, it alerted my team about potential threats that were near to attack the servers. Also, It has reduced manual work on my business applications, hence, saving a lot of time and effort in the safeguarding process.

Knowledge specialist Communications industry

Great log management suite. I loved how easy this software was to configure. I had all my logs pointed to it and flowing nicely in no time at all. It makes it very easy to look at your data and get a grasp of what is happening on your network.


Great for centralizing all your windows machines. You can flag certain events to trigger different actions of your choosing.

Joseph L IT manager

Audit and analyze IIS server activities, troubleshoot performance related issues and effectively detect and mitigate web server threats with EventLog Analyzer.

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EventLog Analyzer Trusted By

Los Alamos National Bank Michigan State University
Panasonic Comcast
Oklahoma State University IBM
Accenture Bank of America
Ernst Young

Customer Speaks

  • Credit Union of Denver has been using EventLog Analyzer for more than four years for our internal user activity monitoring. EventLog Analyzer provides great value as a network forensic tool and for regulatory due diligence. This product can rapidly be scaled to meet our dynamic business needs.
    Benjamin Shumaker
    Vice President of IT / ISO
    Credit Union of Denver
  • The best thing, I like about the application, is the well structured GUI and the automated reports. This is a great help for network engineers to monitor all the devices in a single dashboard. The canned reports are a clever piece of work.
    Joseph Graziano, MCSE CCA VCP
    Senior Network Engineer
  • EventLog Analyzer has been a good event log reporting and alerting solution for our information technology needs. It minimizes the amount of time we spent on filtering through event logs and provides almost near real-time notification of administratively defined alerts.
    Joseph E. Veretto
    Operations Review Specialist
    Office of Information System
    Florida Department of Transportation
  • Windows Event logs and device Syslogs are a real time synopsis of what is happening on a computer or network. EventLog Analyzer is an economical, functional and easy-to-utilize tool that allows me to know what is going on in the network by pushing alerts and reports, both in real time and scheduled. It is a premium software Intrusion Detection System application.
    Jim Lloyd
    Information Systems Manager
    First Mountain Bank

Awards and Recognitions

A Single Pane of Glass for Comprehensive Log Management