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Im using Kea DHCP and Unbound DNS. If within Unbound you enable Register static mappings and Register ISC DHCP4 Leases and the DHCP client decides to have a hostname ending in a '.' for example 'xboxone.' then Unbound tries to register 'xboxone..mydomain.com' which isnt valid obviously and crashes unbound. Pretty simple little DoS lol. imo Kea DHCP and Unbound should both be checking that. Thoughts?
