Arpwatch is an open-source tool that has been around for a while. It maintains a log of the MAC addresses and IPs of computers that are on your network and alerts you to any changes or strange things related to ARP poisoning that occur. Hence, it is a good tool to use to detect ARP [...]
Posts Tagged ‘linux’
Security Tool: Arpwatch
Posted in Geek Stuff, Technology, tagged information security, linux on August 18, 2008 | Leave a Comment »
Major Linux Vulnerability: Debian PRNG
Posted in Geek Stuff, Technology, tagged Debian, linux, security, Ubuntu on May 15, 2008 | 2 Comments »
Two days ago this vulnerability was released: http://www.debian.org/security/2008/dsa-1571
Luciano Bello discovered that the random number generator in Debian’s openssl package is predictable. This is caused by an incorrect Debian-specific change to the openssl package (CVE-2008-0166). As a result, cryptographic key material may be guessable.
This is a Debian-specific vulnerability which does not affect other operating systems which [...]
Why Linux Filesystems Don’t Need To Be Defragmented
Posted in Technology, tagged linux on March 26, 2008 | 2 Comments »
Saw this on Digg and it’s a great layman’s explanation so I thought it worth mentioning here. Obviously “Linux” isn’t a filesystem, it’s an OS. However, one of the things that some people notice when they use most versions of Linux is that there isn’t a defrag tool like there is with Windows. While unlikely, [...]
