Security of Messages Exchanged between Servers and Relay Agents
RFC 8213

Received changes through RFC Editor sync (created alias RFC 8213, changed title to 'Security of Messages Exchanged between Servers and Relay Agents', changed abstract to 'The Dynamic Host Configuration Protocol for IPv4 (DHCPv4) has no guidance for how to secure messages exchanged between servers and relay agents.  The Dynamic Host Configuration Protocol for IPv6 (DHCPv6) states that IPsec should be used to secure messages exchanged between servers and relay agents but does not require encryption.  With recent concerns about pervasive monitoring and other attacks, it is appropriate to require securing relay-to-relay and relay-to-server communication for DHCPv6 and relay-to-server communication for DHCPv4.', changed standardization level to Proposed Standard, changed state to RFC, added RFC published event at 2017-08-03, changed IESG state to RFC Published)