Open Source Network Monitoring Software

Visual Syslog Server for Windows is a free open source program to receive and view syslog messages. Useful when setting up routers and systems based on Unix/Linux. Visual Syslog Server for Windows has a live messages view: switches to a new received message. Helpful color highlighting. Useful message filtering. Customizable notification and actions. Sources hosted on the GitHub: https://github.com/MaxBelkov/visualsyslog

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

The pimped Apache status makes the Apache server status readable, sortable and searchable. The pimped Apache status can merge the status of several servers that opens the possibility to identify the troubleshooter even in a loadbalanced website. The webbased tool offers a multilanguage, skinable interface with a built-in updater. In several views you see most requested pages, vhosts, used methods, IPs that make the most requests and more. All views are sortable tables you can filter by a keyword and are available as API Request too to get its data as CSV, XML or JSON. Compatible with PHP 7+8 (and should run on PHP 5.x - but is not supported).

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.

DenyHosts is a python program that automatically blocks ssh attacks by adding entries to /etc/hosts.deny. DenyHosts will also inform Linux administrators about offending hosts, attacked users and suspicious logins. This project is being actively developed on GitHub (https://github.com/denyhosts)

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

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.

Simple Event Correlator (SEC) is a lightweight event correlator for network management, log file monitoring, security management, fraud detection, and other tasks which involve event correlation.

HoneyVIew ist a tool to analyze honeyd-logfiles of the honeyd-daemon implemented by Niels Provos in an convenient way. HoneyView generates graphical and textual results from queries against the logfile data.

GoAccess is a real-time Apache web log analyzer and interactive viewer that runs in a terminal and provides fast and valuable HTTP statistics for system administrators that require a visual report on the fly.

ATTENTION: Snare Lite is unsupported legacy software. While it will remain a part of the SourceForge community, it is no longer secure and compliant. For up to date Snare software check out Snare Enterprise. https://www.snaresolutions.com/try-snare-for-free/ Snare Enterprise was created to keep up with the fast paced security software market. It started with the desire to create premium logging and SIEM tools that were agnostic by nature so they could be used to boost any SIEM architecture regardless of third party developers. In fact, the agnostic nature allows it to bridge gaps between multiple SIEM implementations across business units. For more on use cases, check out the Intersect Alliance website. https://www.snaresolutions.com/ Snare Enterprise’s premium features include: - Regulatory Compliance - TLS Encryption - Log Simulcasting - TCP – Guaranteed Log Delivery - USB Device Monitoring - And more! For updates follow us on social media!

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.

NeoLogger is Windows Syslog Client similar to the logger command known from UNIX/LINUX systems used to send SYSLOG messages. It adds some usefull features to filter and replace content, reads from standard input, files or the windows eventlog. It is also able to watch a file or an eventlog for changes and transmits only the new entries. Logit is an additional tool, that logs process or batch output to a log file or windows Eventlog using predefined prefixes and timestamps. (see the screenshots for an Overview) Please donate some (micro-)bitcoins to my address if you saved time and money by using this free project: 1FvGzQvT3tcN47fxdaNjDeSFU6pAUsqMbn

Panoptis plans to create a network security tool (N-IDS) to detect and block DoS and DDoS attacks. The programming language is C++, and the input is being provided by routers.

redWall is a bootable CD-ROM Firewall with Snort, snortsam, dansguardian and support for fwbuilder, spamassassin, reporting (using ACID/sarg/ntop/webfwlog), VPN (FreeSWan/PoPToP/Openvpn) and mail alerting (by mail). Configs are stored on a Floppy or USB

Kojoney is an easy of use, secure, robust and powerfull Honeypot for the SSH Service written in Python. With the kojoney daemon are distributeds other tools such as kip2country (IP to Country) and kojreport, a tool to generate reports from the log fi

Pothos is an iptables log analyzer. It is used to interpret, in a user-friendly fashion, the logs that ulogd creates with it's MySQL plugin. It's main objective is to be efficient, leaving as small a foot-print as possible.

PyEximon is a GNOME monitor/manager for the popular MTA, Exim. It includes real-time status graphs and log updates, colored log browsing, hierarchial message lists, as well as a graphical interface to common message functions.

SrvReport is a simple and featurefull server monitoring and reporting system. It will send every day a mail with the latest state of the server including traffic (via /proc/net/dev and/or iptables), cpu, mail, http, ftp reports and other logs.

TraffStats: network Traffic Statistic - is a monitoring and traffic analysis software, using SNMP to collect data from any enabled device. - has the ability to generate graphs (using jpgraph) with the option to compare and sum up different devices.

Calculates the size of the tcp-payload on a system via packet capturing and connectiontracking at the user level instead of the ip level.

Application to display, as well as interpret, firewall information from a database to serve a variety of users needs. The application is online and cross-platform, written using PHP.

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.

The goal of this project is to provide a liveCD allowing the user to analyze networks for VoIP installations. This project gives you a global network state.

ASC is a tool to count traffic between users and different subnets. The most common usage is to measure individual users amount of traffic to and from the internet. Very easy to configure, see the documentation.