Red Hat 5 & Red Hat 6 Enterprise Linux security

Your can make your Red Hat 5 & Red Hat 6 Enterprise Linux machines more secure by hardening the OS and/or disabling IPv6

• http://people.redhat.com/sgrubb/files/hardening-rhel5.pdf
• http://www.nsa.gov/ia/_files/os/redhat/rhel5-guide-i731.pdf
• http://forum.ivorde.ro/disable-ipv6-in-red-hat-enterprise-linux-5-t48.html
• http://www.proxar.co.uk/technical-support/technical-forum/how-to-disable-ipv6-on-red-hat-6