BBStatus is an IP accounting package and an SNMP and IP monitoring tool for Linux. It collects, summarizes, and displays the values from its database. It can be used for IP accounting (allows you to design various kinds of accounting filters), SNMP monitoring (collects data making SNMP requests), ICMP monitoring (stores and summarizes values like min, avg, max reply time, and packet loss), and client traffic filtering (using various types of filters). It also provides user based access so that every user can log in and visualize various data (depending on access rights). It requires PostgreSQL, Apache with mod_auth_pgsql, Perl(Net::SNMP), and RRDTool.
The Bait and Switch Honeypot System combines the snort Intrusion Detection System (IDS) with honeypot technology to create a system that reacts to hostile intrusion attempts by marking and then redirecting all "bad" traffic to a honeypot that partially mirrors your production system. Once switched, the would-be hacker is unknowingly attacking your honeypot instead of the real data, while your clients and/or users are still safely accessing the real system. Life goes on, your data is safe, and you get to learn about the bad guy as an added benefit. It works with Snort 1.9.0, 1.9.1, and 2.0.2.
Bartlby is a network and system monitor, completely written in C, to provide a scalable framework with the ability to monitor networks of various sizes. It consists of a core daemon, several plugins, and a Web GUI (PHP extension). The core daemon checks (over active/passive TCP) services/hosts and notifies users in case of critical service conditions (mail, SMS, ICQ, and custom triggers are supported). Bartlby provides an open plugin interface to give every administrator an easy to use option to extend the plugin base, and a fully customizable GUI (written in PHP using a C extension). Nearby everything can be controlled via an XML interface.
CaiCai is a network and services monitoring system. It performs tests for ping, DHCP, POP3, SMTP, FTP, etc. It does not require additional software installed on the remote side. It is fully configurable. It provides instant reports (via an HTML page), logs, statistics, and sound alarms.
checkmySAP is a simple and efficient Hobbit / Xymon extension to monitor remote SAP services on your network. Using 3 SAP binaries (lgtst, rfcping, and startrfc), it checks the availability of your SAP systems via remote RFC command. It it written in bash, and can be set up in less then 5 minutes.
DIY Zoning is a set of tools and instructions for controlling a state-of-the-art HVAC (Heating, Ventilation, and Air Conditioning) system. It covers airflow balancing, temperature control and zoning, energy conservation measures, remote access, 1-wire devices, and home automation.
DrmStats is a collection of shell scripts that uses RRDTool to monitor (i.e. make graphs) your system's health. A cron job updates the RRD database and generates PNG graphs of network bandwidth, memory state, ADSL synchro (for Sagem F@st 800 users), number of processes, disk usage, CPU load, and more. It's easy to understand and can be customized for your needs.
Dwall is an all-purpose firewall tool to generate an iptables firewall out of a simple configuration. It contains about 80 predefined services and comes with a simple 3 zone firewall example. It is designed to be easy to configure and manage without being limited to a specific network setup. It can handle as many interfaces as desired and allows you to create firewall rules that are portable between several firewalls.