NTA Monitor

Latest News

Will IE6 be the next NT4?

1st October 2009 All penetration testers will remember the long tail of Windows NT 4.0, and how this operating system continued to be used long past the point when security updates stopped at the end of 2004. For many years the presence of an unpatchable NT4 server was a common issue in a penetration test report, and it is only now, almost five years after security support ended, that finding an NT4 system on a network is becoming a rare event. Read More

One in four web applications susceptible to high risk security flaws

7th September 2009 NTA Monitor has reported a 10% increase in the total number of web applications found to have at least one high-risk security issue... Read More

Organisations facing a changing threat landscape

20th July 2009 According to NTA Monitor's 2009 Annual Security Report, the average number of Internet security vulnerabilities is on the rise... Read More

The Return of the Insider Threat

1st July 2009 When NTA started security testing twelve years ago, the main focus was on the insider threat. There were many reports with statistics showing that most security breaches were due to insiders. By contrast there was very little focus on the external threat via Internet and third-party network links. Back then many companies did not even have a firewall. Read More

Arp scan

ARP scanning and fingerprinting tool

Overview

arp-scan is a command-line tool that uses the ARP protocol to discover and fingerprint IP hosts on the local network. It is available for Linux and BSD under the GPL licence.

Downloads

Latest Source distribution: arp-scan-1.7.tar.gz
This will compile on Linux, BSD and Solaris systems. You will need a C compiler, the "make" utility and the appropriate system header files to compile arp-scan. It uses autoconf and automake, so compilation and installation is the normal ./configure; make; make install process.
Previous versions of arp-scan are available at: http://www.nta-monitor.com/tools/arp-scan/archive/
If you want an older version of the arp-scan software, you can get it from here.

Documentation

The arp-scan wiki is the main source of documentation for arp-scan.

The source distribution includes the man pages arp-scan(1), arp-fingerprint(1), get-oui(1), get-iab(1) and mac-vendor(5), which contain details on the tools and file formats.

Please send any feedback to arp-scan@nta-monitor.com