Open Source C Log Analysis Software

Sarg - Squid Analysis Report Generator is a tool that allow you to view "where" your users are going to on the Internet. Sarg generate HTML reports, with informations about users, IP Addresses, bytes, sites and times.

OSSIM, AlienVault’s Open Source Security Information and Event Management (SIEM) product, provides event collection, normalization and correlation. For more advanced functionality, AlienVault Unified Security Management (USM) builds on OSSIM with these additional capabilities: * Log management * Advanced threat detection with a continuously updated library of pre-built correlation rules * Actionable threat intelligence updates from AlienVault Labs Security Research Team * Rich analytics dashboards and data visualization

SSHGuard protects hosts from brute-force attacks against SSH and other services. It aggregates system logs and blocks repeat offenders using several firewall backends, including iptables, ipfw, and pf.

Fluent Bit is a super-fast, lightweight, and highly scalable logging and metrics processor and forwarder. It is the preferred choice for cloud and containerized environments. A robust, lightweight, and portable architecture for high throughput with low CPU and memory usage from any data source to any destination. Proven across distributed cloud and container environments. Highly available with I/O handlers to store data for disaster recovery. Granular management of data parsing and routing. Filtering and enrichment to optimize security and minimize cost. The lightweight, asynchronous design optimizes resource usage: CPU, memory, disk I/O, network. No more OOM errors! Integration with all your technology, cloud-native services, containers, streaming processors, and data backends. Fully event-driven design leverages the operating system API for performance and reliability. All operations to collect and deliver data are asynchronous.

this tool tries to repair your broken pcap and pcapng files by fixing the global header respectively packet blocks and recovering the packets by searching und guessing the packet headers or blocks

This is dhcpd-pools ISC dhcp shared network and pool range usage analysis. Purpose of command is to count usage ratio of each IP range and shared network pool which ISC dhcpd is in control of. Users of the command are most likely ISPs and other organizations that have large IP space. Program is written C. Design goal is to get analysis done quickly where there is lots of data. On cheap laptop the speed of analysis is roughly 100k leases per second. Number of ranges, or shared networks, does not make any significant difference in getting analysis done.

Scripts and tools to manage your Server.

Free-SA is logs processor and report generating tool. It can be used to control traffic usage, to evaluate conformance to the Internet access security policies, to investigate security incidents, to evaluate web server efficiency and to detect troubles with server configuration.

IPCAD runs captures traffic on the specified interfaces (BPF, PCAP, divert, tee, ULOG, IPQ), and records the traffic for later retrieval and analysis. Traffic exported via RSH or NetFlow.

FW1-Loggrabber is a command-line tool to grab logfiles from Checkpoint FW-1 remotely using Checkpoints LEA (Log Export Api), which is one part of Checkpoints OPSEC API.

SRG is a log file analyser and report generator for the Squid web proxy. It is fast and was created to allow easy integration with other authentication systems. SRG is flexible and can report right down the the level of individual files requested.

Textual data processing solution for system administrators and Web programmers. The C library allows to manipulate string lists, CGI forms, MIME data, configuration files, logs parsing, regular expressions, date/time parsing, templates rewriting etc.

Logpp is a tool for preprocessing event logs and feeding relevant data to other programs for storing or in-depth analysis. Logpp reads lines appended to input files, matches the lines with patterns, and writes the results to given destinations.

WWW Counter is a configurable, extensible hit-counter for World Wide Web pages which can be used either as a CGI (embedded in your site) or as a standard UNIX console application (support for ncurses is planned).

Sgrep (sorted grep) is a much faster alternative to traditional Unix grep when searching large files, because sgrep searches sorted input files using a fast binary search to find matching lines.

Epilog is a multi-file logging program written in C using GTK+ capable of doing log coloring according to key words and doing reports.

A command line utility to read a text file containing lines of data, clean up any CR/LF anomalies, and output the lines of text with clean CR/LF terminators to standard output. The binary is a Windows 32 bit console app.

Universal IP-traffic collector. Can gather data from Cisco IP Accounting / ipcad, Mikrotik, NSG, Revolution routers.

AccounteX is an IP accounting system based on the IP Stat program. It has many exciting features like fully customizable web traffic accounting and user access control by many different values. information service and web statistics and administration.

Alfred, OpenSource Internet Software, is a collection of utilities that bring Quota support to SQUID. Alfred has been used in a large high school for several years now, and is working without a hitch.

The Mac OS X Port of analog which has been specially rewritten into ObjC code to take advantage of Cocoa. The rewrite will also incorporate new features not found in the console version. Includes a graphical interface, support for XML property lists. .

This filter allows Apache log files to converted from one time zone to another. This is especially useful if you are using a hosting service that produces its logs in another timezone and you want to make sense of your log statistics.

BCLF is the Binary Common Log Format, a fast, platform independent, streamable, compact logging format that resembles the Extended CLF logging format in content. The project goal is to make an Apache module and enhance the format without giving up speed.

The Big Brother Log Analyzer (BBLA) is a package consisting of an HTTP logger and of a log analyzer. It provides a lightweight and free solution (with no banners!) for individual users and/or systems administrators willing to track their audience.