Tag Archives: configuration

Use nmap to check DNS configuration best practices

Use nmap to check DNS configuration best practices | A new NSE script in nmap 6.25 checks DNS zone configuration best practices. I’ll show you how it works! First, you will need nmap 6.25 (or later) installed: http://nmap.org/download.html Now with nmap 6.25 installed, run the below command against a DNS server. In this example, I am checking the configuration of the zone google.com from

Suse | sudo asks for root password

Suse | sudo asks for root password | By default, the sudo command on Suse Linux asks for the root password instead of the user’s password. I’ll show you how to fix that to be more expected (and secure!) behavior of sudo and only ask for the user’s password. 1. Crack open a terminal, and issue: $ sudo visudo 2. Comment out the

Tiger Local Security Audit

Tiger Local Security Audit | Tiger is an excellent local Linux (*nix) system security audit tool. sudo apt-get install tiger Then run: sudo tiger Tiger checks various things such as all user accounts on the machine, problematic cron and service entries, complete system file permission check, rootkits, backdoors, (Debian/Ubuntu example: complete md5sum of installed files against Debian Security Advisories), listening