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imsniff is a pcap-based instant messaging sniffer. It captures the IM traffic in the network and is able to log conversations, contact lists, profile information, incoming email notifications, other MSN events, etc. Tested in Linux and Windows.
IOG (Input Output Grapher) is a network I/O byte grapher made to graph cumulative kB/MB/GB totals for hours/days and months using SNMP. It is
intended to be simple, fast (support for 1000s of hosts) and integrate well
with MRTG.
IP Reg is a IPAM tool to keep track of assets, nodes (IP addresses, MAC addresses, DNS aliases) within different subnets, over different locations or even VLAN's. Written in PHP, used with a MySQL-database to have a unique insight in your local network!
IP accounter is a server-centric IP accounting software package for linux. Traffic can be egathered form any iptables-based router. Configuration utilizes several abstraction layers and supports templates. IPv6 traffic may be mixed with IPv4.
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IP Traffic Volume: Logs (counts) in- & outgoing bytes through network device(s) using kernel iptables. Highly configurable as to which bytes are logged, e.g. to/from specific ports or ip-addresses. Data displayed in html via cgi or plain ascii to console
IPAF is a framework for writing applications that must manipulate individual network packets in ANSI C. In addition to packet collection and generation, IPAF provides a sophisticated library for manipulating packet fields and cooperative threading.
IPFWstats is a suite of shell, perl and PHP scripts to count network traffic on
a per user basis on a server using the FreeBSD IPFW firewall. Statistics are imported into a MySQL database daily and can
then be viewed using a PHP script in a web browser
IPQReader reads packets from netfilter QUEUE target, using libipq. It prints data in plain txt or XML. The goal is to recognize all IP-based protocols and print as much information as possible in human-readable form, without losing any bit of data.
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What are the packets rejected by your Netfilter based firewall today ? How often this suspicious host try to connect to your box ? What are the most rejected domains ? Who is this strange host which scan your ports ?
The responses are in the iptables log
IP change detection script for UNIX systems. Can be used to map static domain to dynamic IP. Works behind NAT. Uses HTTP browser or network interface to get public IP. To be used with task scheduler (Cron or like, sample crontab file shipped).
Shell and cgi scripts for Cable ISPs. Modem/Host Search(partial MAC) & Diagnostics, IP logging (w/cgi search interface), flap stats, and more!
Reduces what took minutes in telnet and shell sessions into a 15 second web based search. (50 uBRs) docsis
It intends to address situations of indoor short‑range distances in which there are 2 types of entities: terrestrial radars and tiny flying UAVs ("nano drones").
The IU Visible Backbone is a tool which allows XML data collection from a set of Juniper Networks routers, and provides both web-based and SOAP-based access to this data.
Ida, is a Apache log security analyzer written in PHP. It will scan Apache logs and report about security incidents like SQL injections, XSS attacks, path traveling and so on.
IfaceMon displays the activity of your network interfaces (eth0, eth1, etc) in an easy way. Curses based, IfaceMon will show you the activity as a bar graph.
InSite is a Web site management tool written in perl. It checks link integrity and does some basic content monitoring of your site's files directly on the local disk, which gives it a huge speed advantage over similar tools.
inetid is a simple wrapper for services started from inetd.conf. It can give you ip-, host- and port-information about the socket that's created when your service gets spawned by inetd. you can use it with or without tcp_wrappers. available in perl & C.
Insidias is a next-generation intrusion detection engine, with a focus on speed, efficiency, advanced pattern matching, parallel-processing, modularity, and expandability.