Almost two years after ‘IPv6 day’ in 2011, security professionals cannot confidently manage security threats posed by the replacement to IPv4, according to the SANS Institute's Internet Storm Centre.
Cyberbullying may be more of an operational issue in schools than the outside hacking that enterprises face, but opaque IPv4 network configurations are causing security issues for both groups as organisations struggle to enforce administrative policies by reliably matching IP addresses and user identities.
David Braue | 25 Oct | Read more
New IPv6 protocols may allow telecommunications carriers to step away from the idiosyncrasies of Network Address Translation (NAT), but the need to provide legacy IPv4 and NAT support could see them locking customers into IPv4 'walled gardens' that threaten the open nature of the Internet.
David Braue | 21 Oct | Read more
The Neighbor Discovery Protocol (NDP) was originally designed to do the equivalent of ARP in IPv4. That is, to resolve layer three addresses into layer two addresses. Later the protocol was extended to handle other functions, like duplicate address discovery, router redirects, router advertisements and neighbor reachability.
“Better the devil you know than the devil you don't”. No matter how bad something is, knowing about it is half the battle won. So when something new comes along, like IPv6, its very newness is an issue.