[Dime] [Errata Verified] RFC6733 (3997)
RFC Errata System <rfc-editor@rfc-editor.org> Wed, 04 June 2014 08:51 UTC
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Subject: [Dime] [Errata Verified] RFC6733 (3997)
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The following errata report has been verified for RFC6733, "Diameter Base Protocol". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=6733&eid=3997 -------------------------------------- Status: Verified Type: Technical Reported by: Jouni Korhonen <jouni.nospam@gmail.com> Date Reported: 2014-05-24 Verified by: Benoit Claise (IESG) Section: GLOBAL Original Text ------------- Section 2.1. The base Diameter protocol is run on port 3868 for both TCP [RFC0793] and SCTP [RFC4960]. For TLS [RFC5246] and Datagram Transport Layer Security (DTLS) [RFC6347], a Diameter node that initiates a connection prior to any message exchanges MUST run on port 5658. It is assumed that TLS is run on top of TCP when it is used, and DTLS is run on top of SCTP when it is used. If the Diameter peer does not support receiving TLS/TCP and DTLS/SCTP connections on port 5658 (i.e., the peer complies only with RFC 3588), then the initiator MAY revert to using TCP or SCTP on port 3868. Note that this scheme is kept only for the purpose of backward compatibility and that there are inherent security vulnerabilities when the initial CER/CEA messages are sent unprotected (see Section 5.6). Diameter clients MUST support either TCP or SCTP; agents and servers SHOULD support both. A Diameter node MAY initiate connections from a source port other than the one that it declares it accepts incoming connections on, and it MUST always be prepared to receive connections on port 3868 for TCP or SCTP and port 5658 for TLS/TCP and DTLS/SCTP connections. When DNS-based peer discovery (Section 5.2) is used, the port numbers received from SRV records take precedence over the default ports (3868 and 5658). Section 4.3.1. port = ":" 1*DIGIT ; One of the ports used to listen for ; incoming connections. ; If absent, the default Diameter port ; (3868) is assumed if no transport ; security is used and port 5658 when ; transport security (TLS/TCP and DTLS/SCTP) ; is used. Corrected Text -------------- Section 2.1. The base Diameter protocol is run on port 3868 for both TCP [RFC0793] and SCTP [RFC4960]. For TLS [RFC5246] and Datagram Transport Layer Security (DTLS) [RFC6347], a Diameter node that initiates a connection prior to any message exchanges MUST run on port 5868. It is assumed that TLS is run on top of TCP when it is used, and DTLS is run on top of SCTP when it is used. If the Diameter peer does not support receiving TLS/TCP and DTLS/SCTP connections on port 5868 (i.e., the peer complies only with RFC 3588), then the initiator MAY revert to using TCP or SCTP on port 3868. Note that this scheme is kept only for the purpose of backward compatibility and that there are inherent security vulnerabilities when the initial CER/CEA messages are sent unprotected (see Section 5.6). Diameter clients MUST support either TCP or SCTP; agents and servers SHOULD support both. A Diameter node MAY initiate connections from a source port other than the one that it declares it accepts incoming connections on, and it MUST always be prepared to receive connections on port 3868 for TCP or SCTP and port 5868 for TLS/TCP and DTLS/SCTP connections. When DNS-based peer discovery (Section 5.2) is used, the port numbers received from SRV records take precedence over the default ports (3868 and 5868). Section 4.3.1. port = ":" 1*DIGIT ; One of the ports used to listen for ; incoming connections. ; If absent, the default Diameter port ; (3868) is assumed if no transport ; security is used and port 5868 when ; transport security (TLS/TCP and DTLS/SCTP) ; is used. Notes ----- RFC 6733 defined the Diameter port number for secure transport in IANA considerations Section 11.4. to be 5868. This is also in IANA port numbers registry "Service Name and Transport Protocol Port Number Registry". However, the RFC 6733 body text uses different port number in Sections 2.1. and 4.3.1. for secure transports. Since the IANA registry already contains the port number 5868 instead of the body text used value 5658, the values in Sections 2.1. and 4.3.1. should be 5868 instead of 5658. -------------------------------------- RFC6733 (draft-ietf-dime-rfc3588bis-33) -------------------------------------- Title : Diameter Base Protocol Publication Date : October 2012 Author(s) : V. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. Category : PROPOSED STANDARD Source : Diameter Maintenance and Extensions Area : Operations and Management Stream : IETF Verifying Party : IESG
- [Dime] [Editorial Errata Reported] RFC6733 (3997) RFC Errata System
- [Dime] [Errata Verified] RFC6733 (3997) RFC Errata System