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Category: Network Utilities » Monitoring
Sambascan2 allows you to search an entire network or a number of hosts for SMB shares. It will also list the contents of all public shares that it finds. The difference between sambascan2 and other SMB viewers and scanners is that it will search everything using TCP/IP, and it will not send a lot of broadcast messages, so it can be used over LAN boundaries. It only uses SMB to list the shares and their contents.
NAT Monitor is a graphical monitor to keep tracks of hosts' bandwidth usage in a Linux-NAT local network. NAT Monitor draws a stacked graph with a different color for every LAN host. It autodetects hosts and has a nice summary statistic.
AIM Sniff is a utility for monitoring and archiving AOL Instant Messenger messages across a network. It can be used to monitor for cases of harassment or warez trading. It has the ability to do a live dump (actively sniff the network) or read a PCAP file and parse the file for IM messages. You also have the option of dumping the information to a MySQL database or STDOUT. AIM Sniff will also monitor for an AIM login and then perform an SMB lookup on the originating computer in order to match NT Domain names with AIM login names (handles). A very basic Web frontend is included.
monagent is a collection of tools which allows you to monitor anything by writing scripts in any language you prefer. As long as you supply the correct output format, the data will be monitored, and you will get an email or SMS message when a certain threshold exceeds the limits that you have defined. It consists of a Unix daemon, a monitoring viewer, and an admin tool for setting thresholds. The viewer and admintool are written in VB6. An Oracle Database is used for the monitoring schema, and an Oracle Client installation is needed on every host you want to monitor.
The sysstat package contains the sar, mpstat, and iostat commands for Linux. The sar command collects and reports system activity information. This information can also be saved in a system activity file for future inspection. The iostat command reports CPU statistics and I/O statistics for tty devices and disks. The statistics reported by sar concern I/O transfer rates, paging activity, process-related activites, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities, and TTY statistics, among others. Both UP and SMP machines are fully supported.
Jacksum is a free checksum utility entirely written in Java. It supports most common checksum algorithms (Adler32, BSD sum, POSIX cksum, CRC-16, CRC-32, MD2, MD5, SHA, and Unix System V sum).
Scapy is a powerful interactive packet manipulation tool, packet generator, network scanner, network discovery tool, and packet sniffer. It provides classes to interactively create packets or sets of packets, manipulate them, send them over the wire, sniff other packets from the wire, match answers and replies, and more. Interaction is provided by the Python interpreter, so Python programming structures can be used (such as variables, loops, and functions). Report modules are possible and easy to make. It is intended to do about the same things as ttlscan, nmap, hping, queso, p0f, xprobe, arping, arp-sk/arpspoof, firewalk, irpas, tethereal, and tcpdump.
Packit is a network auditing tool that allows you to monitor, manipulate, and inject customized IPv4 traffic into your network. This can be extremely valuable for testing firewalls, intrusion detection systems, port scanning, and general TCP/IP auditing. It currently supports the ability to define nearly all TCP, UDP, ICMP, IP, and Ethernet header options. It requires libnet 1.1 or greater as well as libpcap, and has been tested to run on FreeBSD, NetBSD, OpenBSD, and Linux.
Braa is a tool for making SNMP queries. It is able to query hundreds or thousands of hosts simultaneously, while being completely single-threaded. It does not need any SNMP libraries, as it is equipped with its own SNMP engine. However, it's good to have a complete SNMP package including "snmptranslate" installed somewhere, because for speed reasons, there is no ASN.1 parser in Braa, and all the SNMP OIDs need to be specified numerically.
DHCP-Locator is a pair of programs/scripts that log the switch IP address, port in switch, MAC address, and IP address when a host is getting an IP address from a DHCP server. It uses ISC DHCP server logs as input. It's excellent for abuse issues in large networks.
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