Ports Search

Tools to capture, replicate, print, filter, send and other works on Cisco's NetFlow Export.

grepcidr can be used to filter a list of IP addresses against one or more Classless Inter-Domain Routing (CIDR) specifications, or arbitrary networks specified by an address range. As with grep, there are options to invert matching and load patterns from a file. grepcidr is capable of comparing thousands or even millions of IPs to networks with little memory usage and in reasonable computation time. grepcidr has endless uses in network software, including: mail filtering and processing, network security, log analysis, and many custom applications.

FlowViewer, FlowGrapher, and now FlowTracker are tools that provide an easy web-based user interface for selecting, viewing, graphing, and now tracking NetFlow data stored using Mark Fullmer's flow-tools software. The user is able to filter data (inclusion or exclusion) by device, IP address range, port, router interface, autonomous system (AS), specified time interval, and now by protocols, TOS field, and TCP flags. Many of the flow-tools reports are configured as drop-down selections. Users are also able to save reports and graphs for later viewing.

The UniFi Controller allows you to manage Wireless, Routing & Switching, VoIP and Video of Ubiquiti Networks.

The icmpmonitor uses the Internet Control Message Protocol (ICMP) "ECHO" facility, monitors several hosts, and notify admin if some of them are down.

iftop listens to network traffic on a named interface, or on the first interface it can find which looks like an external interface if none is specified, and displays a table of current bandwidth usage by pairs of hosts. iftop must be run with sufficient permissions to monitor all network traffic on the interface; see pcap(3) for more information, but on most systems this means that it must be run as root.

MK Livestatus - a Nagios event broker module that allows quick, direct and comfortable access to your status data. Livestatus is concepted and tuned to reduce disk, memory and cpu loads caused by live-data processing on the Nagios system. Just as NDO, Livestatus makes use of the Nagios Event Broker API and loads a binary module into the Nagios process. But other than NDO, Livestatus does not actively write out data e.g. to the disk. Instead, it opens a socket for external applications to connect to and fetch the current status information from Nagios.

The check_mysql_slave plugin allows you to check that a particular MySQL replication slave is running and (coming soon) is within a threshold bytes or seconds behind its master.

check_postgres.pl - a Postgres monitoring script for Nagios, MRTG, Cacti, and others check_postgres.pl is a Perl script that runs many different tests against one or more Postgres databases. It uses the psql program to gather the information, and outputs the results in one of three formats: Nagios, MRTG, or simple.

check_puppet - is a very simple Nagios plugin to check Puppet daemon availability with SNMP. Why check_puppet? 1. It does check whether puppetd and puppetmasterd is alive. 2. It does check state.yaml freshness 3. It does not require the full net-mgmt/nagios-plugins package on the client side 4. It is written in sh - code interpreter available in a base system