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Every RFC in numerical order. Page 25 of 99.

RFC 2472IP Version 6 over PPPObsoleted
December 1998proposed standardreplaced by RFC5072, RFC5172
RFC 2473Generic Packet Tunneling in IPv6 SpecificationCurrent
December 1998proposed standard
RFC 2474Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 HeadersUpdated
December 1998proposed standard
RFC 2475An Architecture for Differentiated ServicesUpdated
December 1998informational
RFC 2476Message SubmissionObsoleted
December 1998proposed standardreplaced by RFC4409
RFC 2477Criteria for Evaluating Roaming ProtocolsCurrent
January 1999informational
RFC 2478The Simple and Protected GSS-API Negotiation MechanismObsoleted
December 1998proposed standardreplaced by RFC4178
RFC 2479Independent Data Unit Protection Generic Security Service Application Program Interface (IDUP-GSS-API)Current
December 1998informational
RFC 2480Gateways and MIME Security MultipartsCurrent
January 1999proposed standard
RFC 2481A Proposal to add Explicit Congestion Notification (ECN) to IPObsoleted
January 1999experimentalreplaced by RFC3168
RFC 2482Language Tagging in Unicode Plain TextObsoleted
January 1999historicreplaced by RFC6082
RFC 2483URI Resolution Services Necessary for URN ResolutionCurrent
January 1999experimental
RFC 2484PPP LCP Internationalization Configuration OptionCurrent
January 1999proposed standard
RFC 2485DHCP Option for The Open Group's User Authentication ProtocolCurrent
January 1999proposed standard
RFC 2486The Network Access IdentifierObsoleted
January 1999proposed standardreplaced by RFC4282
RFC 2487SMTP Service Extension for Secure SMTP over TLSObsoleted
January 1999proposed standardreplaced by RFC3207
RFC 2488Enhancing TCP Over Satellite Channels using Standard MechanismsCurrent
January 1999best current practice
RFC 2489Procedure for Defining New DHCP OptionsObsoleted
January 1999best current practicereplaced by RFC2939
RFC 2490A Simulation Model for IP Multicast with RSVPCurrent
January 1999informational
RFC 2491IPv6 over Non-Broadcast Multiple Access (NBMA) networksUpdated
January 1999proposed standard
RFC 2492IPv6 over ATM NetworksUpdated
January 1999proposed standard
RFC 2493Textual Conventions for MIB Modules Using Performance History Based on 15 Minute IntervalsObsoleted
January 1999proposed standardreplaced by RFC3593
RFC 2494Definitions of Managed Objects for the DS0 and DS0 Bundle Interface TypeCurrent
January 1999proposed standard
RFC 2495Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface TypesObsoleted
January 1999proposed standardreplaced by RFC3895
RFC 2496Definitions of Managed Object for the DS3/E3 Interface TypeObsoleted
January 1999proposed standardreplaced by RFC3896
RFC 2497Transmission of IPv6 Packets over ARCnet NetworksUpdated
January 1999proposed standard
RFC 2498IPPM Metrics for Measuring ConnectivityObsoleted
January 1999experimentalreplaced by RFC2678
RFC 2499Request for Comments SummaryCurrent
July 1999informational
RFC 2500Internet Official Protocol StandardsObsoleted
June 1999historicreplaced by RFC2600
RFC 2501Mobile Ad hoc Networking (MANET): Routing Protocol Performance Issues and Evaluation ConsiderationsCurrent
January 1999informational
RFC 2502Limitations of Internet Protocol Suite for Distributed Simulation the Large Multicast EnvironmentCurrent
February 1999informational
RFC 2503MIME Types for Use with the ISO ILL ProtocolCurrent
February 1999informational
RFC 2504Users' Security HandbookCurrent
February 1999informational
RFC 2505Anti-Spam Recommendations for SMTP MTAsCurrent
February 1999best current practice
RFC 2506Media Feature Tag Registration ProcedureCurrent
March 1999best current practice
RFC 2507IP Header CompressionCurrent
February 1999proposed standard
RFC 2508Compressing IP/UDP/RTP Headers for Low-Speed Serial LinksCurrent
February 1999proposed standard
RFC 2509IP Header Compression over PPPObsoleted
February 1999proposed standardreplaced by RFC3544
RFC 2510Internet X.509 Public Key Infrastructure Certificate Management ProtocolsObsoleted
March 1999proposed standardreplaced by RFC4210
RFC 2511Internet X.509 Certificate Request Message FormatObsoleted
March 1999proposed standardreplaced by RFC4211
RFC 2512Accounting Information for ATM NetworksCurrent
February 1999proposed standard
RFC 2513Managed Objects for Controlling the Collection and Storage of Accounting Information for Connection-Oriented NetworksCurrent
February 1999proposed standard
RFC 2514Definitions of Textual Conventions and OBJECT-IDENTITIES for ATM ManagementCurrent
February 1999proposed standard
RFC 2515Definitions of Managed Objects for ATM ManagementCurrent
February 1999proposed standard
RFC 2516A Method for Transmitting PPP Over Ethernet (PPPoE)Current
February 1999informational
RFC 2517Building Directories from DNS: Experiences from WWWSeekerCurrent
February 1999informational
RFC 2518HTTP Extensions for Distributed Authoring -- WEBDAVObsoleted
February 1999proposed standardreplaced by RFC4918
RFC 2519A Framework for Inter-Domain Route AggregationCurrent
February 1999informational
RFC 2520NHRP with Mobile NHCsCurrent
February 1999experimental
RFC 2521ICMP Security Failures MessagesCurrent
March 1999experimental
RFC 2522Photuris: Session-Key Management ProtocolCurrent
March 1999experimental
RFC 2523Photuris: Extended Schemes and AttributesCurrent
March 1999experimental
RFC 2524Neda's Efficient Mail Submission and Delivery (EMSD) Protocol Specification Version 1.3Current
February 1999informational
RFC 2525Known TCP Implementation ProblemsCurrent
March 1999informational
RFC 2526Reserved IPv6 Subnet Anycast AddressesCurrent
March 1999proposed standard
RFC 2527Internet X.509 Public Key Infrastructure Certificate Policy and Certification Practices FrameworkObsoleted
March 1999informationalreplaced by RFC3647
RFC 2528Internet X.509 Public Key Infrastructure Representation of Key Exchange Algorithm (KEA) Keys in Internet X.509 Public Key Infrastructure CertificatesCurrent
March 1999informational
RFC 2529Transmission of IPv6 over IPv4 Domains without Explicit TunnelsCurrent
March 1999proposed standard
RFC 2530Indicating Supported Media Features Using Extensions to DSN and MDNCurrent
March 1999proposed standard
RFC 2531Content Feature Schema for Internet FaxObsoleted
March 1999proposed standardreplaced by RFC2879
RFC 2532Extended Facsimile Using Internet MailCurrent
March 1999proposed standard
RFC 2533A Syntax for Describing Media Feature SetsUpdated
March 1999proposed standard
RFC 2534Media Features for Display, Print, and FaxCurrent
March 1999proposed standard
RFC 2535Domain Name System Security ExtensionsObsoleted
March 1999proposed standardreplaced by RFC4033, RFC4034, RFC4035
RFC 2536DSA KEYs and SIGs in the Domain Name System (DNS)Updated
March 1999proposed standard
RFC 2537RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)Obsoleted
March 1999proposed standardreplaced by RFC3110
RFC 2538Storing Certificates in the Domain Name System (DNS)Obsoleted
March 1999proposed standardreplaced by RFC4398
RFC 2539Storage of Diffie-Hellman Keys in the Domain Name System (DNS)Updated
March 1999proposed standard
RFC 2540Detached Domain Name System (DNS) InformationCurrent
March 1999experimental
RFC 2541DNS Security Operational ConsiderationsObsoleted
March 1999informationalreplaced by RFC4641
RFC 2542Terminology and Goals for Internet FaxCurrent
March 1999informational
RFC 2543SIP: Session Initiation ProtocolObsoleted
March 1999proposed standardreplaced by RFC3261, RFC3262, RFC3263, RFC3264, RFC3265
RFC 2544Benchmarking Methodology for Network Interconnect DevicesUpdated
March 1999informational
RFC 2545Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain RoutingCurrent
March 1999proposed standard
RFC 25466Bone Routing PracticeObsoleted
March 1999informationalreplaced by RFC2772
RFC 2547BGP/MPLS VPNsObsoleted
March 1999informationalreplaced by RFC4364
RFC 2548Microsoft Vendor-specific RADIUS AttributesCurrent
March 1999informational
RFC 2549IP over Avian Carriers with Quality of ServiceCurrent
April 1999informational
RFC 2550Y10K and BeyondCurrent
April 1999informational
RFC 2551The Roman Standards Process -- Revision IIICurrent
April 1999informational
RFC 2552Architecture for the Information Brokerage in the ACTS Project GAIACurrent
April 1999informational
RFC 2553Basic Socket Interface Extensions for IPv6Obsoleted
March 1999informationalreplaced by RFC3493
RFC 2554SMTP Service Extension for AuthenticationObsoleted
March 1999proposed standardreplaced by RFC4954
RFC 255530 Years of RFCsUpdated
April 1999informational
RFC 2556OSI connectionless transport services on top of UDP Applicability Statement for Historic StatusCurrent
March 1999informational
RFC 2557MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)Current
March 1999proposed standard
RFC 2558Definitions of Managed Objects for the SONET/SDH Interface TypeObsoleted
March 1999proposed standardreplaced by RFC3592
RFC 2559Internet X.509 Public Key Infrastructure Operational Protocols - LDAPv2Obsoleted
April 1999historicreplaced by RFC3494
RFC 2560X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPObsoleted
June 1999proposed standardreplaced by RFC6960
RFC 2561Base Definitions of Managed Objects for TN3270E Using SMIv2Current
April 1999proposed standard
RFC 2562Definitions of Protocol and Managed Objects for TN3270E Response Time Collection Using SMIv2 (TN3270E-RT-MIB)Current
April 1999proposed standard
RFC 2563DHCP Option to Disable Stateless Auto-Configuration in IPv4 ClientsUpdated
May 1999proposed standard
RFC 2564Application Management MIBCurrent
May 1999proposed standard
RFC 2565Internet Printing Protocol/1.0: Encoding and TransportObsoleted
April 1999experimentalreplaced by RFC2910
RFC 2566Internet Printing Protocol/1.0: Model and SemanticsObsoleted
April 1999experimentalreplaced by RFC2911
RFC 2567Design Goals for an Internet Printing ProtocolCurrent
April 1999experimental
RFC 2568Rationale for the Structure of the Model and Protocol for the Internet Printing ProtocolCurrent
April 1999experimental
RFC 2569Mapping between LPD and IPP ProtocolsCurrent
April 1999experimental
RFC 2570Introduction to Version 3 of the Internet-standard Network Management FrameworkObsoleted
April 1999informationalreplaced by RFC3410
RFC 2571An Architecture for Describing SNMP Management FrameworksObsoleted
April 1999draft standardreplaced by RFC3411