- Nmap ("Network Mapper") is a free and open source utility for network discovery and security auditing.
- Open a Terminal and enter the following :
sudo apt-get install nmap
- Scan your system for open ports with :
sudo apt-get install nmap
sudo apt-get install denyhosts
sudo apt-get install tiger
sudo a2enmod ssl
sudo vi /etc/apache2/conf.d/security
sudo vi /etc/php5/apache2/php.ini
sudo vi /etc/sysctl.conf
sudo vi /etc/ssh/sshd_config
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