What are the issues with IPv6?
Address spoofing is a major issue on tunnels to a 6to4 relay router. For incoming traffic, the 6to4 router is unable to match the IPv4 address of the relay router with the IPv6 address of the source. Therefore, the address of the IPv6 host can easily be spoofed. The address of the 6to4 relay router can also be spoofed.
Should I change my home network to IPv6?
IPv6 is extremely important for the long-term health of the Internet. Switching from IPv4 to IPv6 will give the Internet a much larger pool of IP addresses. It should also allow every device to have its own public IP address, rather than be hidden behind a NAT router.
Are there any security issues with IPv4 and IPv6?
IPv6 and IPv4 usually operate completely independently over the same Layer 2 infrastructure, so additional and separate IPv6 security mechanisms must be implemented. Many areas will need overhauling, such as firewalls, monitoring and accounting.
Why is there less scrutiny on IPv6 traffic?
Security tools, as well as security operations teams, also tend to give less scrutiny to IPv6 traffic. Hackers can take advantage of this in many ways, such as using an IPv6 proxy server to move laterally throughout an organization’s network or exfiltrate data with a lower chance of detection.
Are there any security features in the IPv6 stack?
The current IPv6 stack does include several features designed to address Layer 2 and Layer 3 spoofing attacks, but they’re not widely used or supported. The Secure Neighbor Discovery (SEND), for instance, was introduced in 2005 to provide a secure mechanism for neighbor discovery in IPv6 networks.
Do you need nats to use IPv6?
It may be comforting to have NATs in v6 environments but in reality they don’t provide any added security. The statefulness of the firewall provides security, not the translation of network addresses. IPv6 security cannot be a simple clone of what’s in place for IPv4 – that kind of thinking is dangerous.