• RFC5248 - A Registry for SMTP Enhanced Mail System Status Codes
• RFC5247 - Extensible Authentication Protocol (EAP) Key Management Framework
• RFC5246 - The Transport Layer Security (TLS) Protocol Version 1.2
• RFC5244 - Definition of Events for Channel-Oriented Telephony Signalling
• RFC5243 - OSPF Database Exchange Summary List Optimization
• RFC5242 - A Generalized Unified Character Code: Western European and CJK Sections
• RFC5241 - Naming Rights in IETF Protocols
• RFC5240 - Protocol Independent Multicast (PIM) Bootstrap Router MIB
• RFC5239 - A Framework for Centralized Conferencing
• RFC5238 - Datagram Transport Layer Security (DTLS) over the Datagram Congestion Control Protocol (DCCP)
• RFC5237 - IANA Allocation Guidelines for the Protocol Field
• RFC5236 - Improved Packet Reordering Metrics
• RFC5235 - Sieve Email Filtering: Spamtest and Virustest Extensions
• RFC5234 - Augmented BNF for Syntax Specifications: ABNF
• RFC5233 - Sieve Email Filtering: Subaddress Extension
• RFC5232 - Sieve Email Filtering: Imap4flags Extension
• RFC5231 - Sieve Email Filtering: Relational Extension
• RFC5230 - Sieve Email Filtering: Vacation Extension
• RFC5229 - Sieve Email Filtering: Variables Extension
• RFC5228 - Sieve: An Email Filtering Language
• RFC5227 - IPv4 Address Conflict Detection
• RFC5226 - Guidelines for Writing an IANA Considerations Section in RFCs
• RFC5225 - RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-Lite
• RFC5224 - Diameter Policy Processing Application
• RFC5223 - Discovering Location-to-Service Translation (LoST) Servers Using the Dynamic Host Configuration Protocol (DHCP)

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