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Security Implications of Using IPv6 GUAs Only

When planning for IPv6 addressing, many organizations – rightfully & wisely – decide to go with global unicast addresses (GUAs) only (hence not to use unique local addresses/ULAs as of RFC 4193 at all), in order to avoid address selection hell or just for simplicity & consistency reasons. This post discusses security implications and complementary security controls of such an approach.

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