Analyze Log Files

A work-around for a 'bug' in NetIQ's WebTrends Log Analyzer product which makes Log Analyzer unable to process multiple log files for overlapping periods of time.Simply specify a list of all your log files and the Web Log Trends Analyzer will consolid Platforms: Windows, Mac, Linux

Fail2Ban monitors log files like /var/log/pwdfail or /var/log/apache/error_log and bans failure-prone addresses. It updates firewall rules to reject the IP address or executes user defined commands. Platforms: *nix

TailExpert is a reliable and useful application dedicated to helping you analyze log files, eventlogs or even system logs. The software is designed to open multiple files in separate tabs and allows you to compare them in side by side view, find character strings, or highlight particular lines,... Platforms: Windows 7, Windows

With LogfileTail you can monitor files and track changes to your log files or output files. Like the famous Unix 'tail' tool LogfileTail outputs the last lines of the file but it has extended features, useful interface and easy interaction with other software you may have. Good tool for... Platforms: Windows

Quickly find information in files and folders across your computer or network, even if you do not know in advance exactly what you are looking for. PowerGREP's rich Perl-compatible regular expression support allows you to search for virtually anything by specifying the form of what you want, and... Platforms: Windows

This program is intended for filtration CSV-files. CSV-format is a simple text format, where each line - Row and Columns - is devided with comas. Many different programs such as Excel, Access use this format. Many programs use this format for Log-files.But these files often content a lot of... Platforms: Windows, Windows CE

Tail4win - windows tail. Tail4Win is a real-time log monitor and viewer, is a windows port of the UNIX 'tail -f' command, it can be used to view the end of a growing file. By using Tail4Win system administrator can monitor log files of server applications in real-time, e.g. Apache's error.log... Platforms: Windows, Windows 8, Windows 7, Windows Server

The LogViewer Pro is a viewer for text log files. Features: - Fast scrolling, eats low memory; - Supports any file size (4 Gb and larger); - Multitabbed interface; - Auto-reload file, Follow tail mode; - Allows to highlight some lines; - Allows to view many encodings; - File... Platforms: Windows

Delete/Filter lines from big text files (for example log files). If you have ever been confronted with the problem that you want to delete or filter particular lines of a big text file, this free program is exactly what you are looking for. With only a few mouse clicks you can search for some... Platforms: Windows

LogMon project will monitor one or more log files, updating when more data is available ala tail -f , within a common terminal window via a "split window". User can scroll up/down/left/right through all the windows. A header displays each frames file name, and number of lines in the file. Very... Platforms: *nix

Logfilter is a tool for performing ad hoc analysis on Apache log files. Logfilter is especially useful when you wish to find records matching very specific criteria, since you can specify exactly which fields to match. The tool also plays well in a Unix environment by accepting input either... Platforms: *nix

sensorTrends is a project that generates trending reports based on security device log files. sensorTrends is a Web-based application that displays a high-level view of the ports that are being scanned over the course of time. The display is similar to the look and feel of incidents.org and... Platforms: *nix

Lire is an Open Source reporting and analysis software, and serving as a nexus of documentation, ideas, and thought on the topic of log files and their potential applications. As any good system administrator knows, theres a lot more to keep track of in an active network than just webservers.... Platforms: *nix

LMF project is a flexible log monitoring framework that allows the user to match text from log files, using perl regular expressions and capturing parentheses (pattern). An optional external command (trigger) will be executed when a user-specified number of matches (threshold) is found within a... Platforms: *nix

logsends main goal is to provide an easy way of receiving e-mail notifications about the changes to the systems (log) files, which makes it suitable for watching mainly the server activity. Logsend acts like a daemon; it watches the specified files and mails the changes (additions) to your... Platforms: *nix

Scratchy is a set of scripts to parse Apache web server log files and extract useful information. From this data, Scratchy will create HTML reports so that website administrators can easily view the information and determine trends and their typical audience. Scratchy began as a... Platforms: *nix

Weblogmon is a program that shows current users and other usage information of a web site by monitoring the server log files. Users are identified by client IP address, HTTP username or usertrack cookie, depending on what information is available in the log. This project is written entirely in... Platforms: *nix

Logrep is a secure multi-platform framework for the collection, extraction, and presentation of information from various log files. It features HTML reports, multi dimensional analysis, overview pages, SSH communication, and graphs, and supports over 30 popular systems including Snort, Squid,... Platforms: *nix

Logdigest mails interesting lines from log files to the system administrator. Non-relevant lines are filtered out by customizable regular expressions. Logdigest comes with a set of such regexps to provide a good starting point. Platforms: Mac

GrokEVT is a collection of scripts built for reading Windows NT event log files. GrokEVT is released under the GNU GPL, and is implemented in Python. GrokEVT is loosely based on the PHP script and documentation provided by Jamie French. Currently the scripts work together on one or more mounted... Platforms: *nix