Carbon is a java based SERVER implementation which caters to different server falvors eg: raw data,HTTP, FTP and so on.
Spawning off from Carbon are different server implementations for HTTP/SOCKS proxy, FTP, HTTP, J2EE which are available in a jar.
A distributed logging & monitoring WS architecture using WS-Notification (WSN) as well as a Log4J appender that implements an appropriate adapter. Software components that already use Log4J can be integrated non-intrusively.
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JNFA - is a netflow analyzer. It uses MySQL database to store accounting information. Filters, used in the JNFA, allows very flexible classificate any kind of traffic and store it in the differend fields in database.
A tool to monitor internet hosts` bandwidth usage in a Linux-NAT network. A daemon collects data and clients display them (currently a Java applet with a graph). It automatically detects new hosts and has a nice summary statistic.
WebSite-Alert is a web site monitoringsystem. WebSite-Alert is a simple java daemon that will monitor your web site and will send eMail and/or SMS alert when it will detect a problem (web site down, HTTP errors, custom error, wrong content, etc...).
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Java Dynamic DNS Client. Platform independent. Runs as application or demon. Supports ZoneEdit, Enom, ChangeIP, DynDNS.org, dhis.org. Simple to handle. Management per JMX and Ajax web interface. Mail Notification. Free accessibility monitoring w. JXTA P2
The Palantir project aims to monitor network health through agents distributed across the network. Each Palantir Agent monitors and tests the network from an enduser point of view and transmits the results to a central facility for analysis.
URL-Checker is a Java-Application, which periodically connects to a specified URL and writes the results (ie "connection OK/failed") to a logfile. A nice tool for webmasters to monitor the availability of a website. There is a GUI and a non-GUI-edition
JavaSock provides a combination Java API and native code library allowing Java programs to manipulate raw network packets through a consistent and secure interface. The API supports applications including packet filtering and packet sniffing.
Hermes FTP Server is a free, cross-platform FTP server adhering to RFC 959, RFC 2228, and RFC 2389. It is being developed in Java with a strong focus on security and extensibility.
The goal of zAutomation project is to design/implement hardware, firmware and software for remote control and monitoring of physical objects, by using the ZigBee technology and internet. The field of application is robotics and domotics.
Peepo is a tool for remote analysis of Apache weblogs in real time. It consists of a server that broadcasts Apache logs via UDP and a desktop application that receives, filters and plots them.
NetTool is a developer tool for monitoring and manipulating application-level network messages, particularly useful for debugging web applications and web services. There are two components to NetTool: the HTTP Client, and the TCP Tunnel.
jSuspect helps monitoring the availability of web resources. Instead of manually clicking links, jSuspect does regularly check any arbitrary URL (even through proxy) and notifies in case of an error. Administration of the server via a Thinlet web client.
Java and ColdFusion libraries to lookup country code and language from IP address. It uses a local copy of the WHOIS database to perform fast, accurate lookups of country codes. Useful for log analysis, internationalization, geolocation, etc..
monitors logfiles and displays in realtime. log messages may be formatted with different fonts and colors, contents can be parsed, reformated, may even trigger actions playing sounds or executing shell commands. Log can be viewed remotely via webbrowser.
winKnocks is an encrypted(DES) port knocking tool. Knock sequences are defined through XML files; users specify: number of packets of each knock sequence, payload and header of each packet. Logging capability. Generation of smoke packets.No replay-attack
ServerWatcher is server monitoring utility that will regularly check for specified content on web pages or ping servers to see if they're still up. When a server goes down it will send e-mail notifications or IM your AIM or Yahoo account.