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2.3.3 Interconnection Standards and Specifications<br />

The recommended standards and specifications <strong>for</strong> interconnectivity are presented in<br />

the following table.<br />

Table 3: Interconnection standards<br />

Component Standard Standards Body<br />

Web transport<br />

Email transport<br />

Internet message <strong>for</strong>mat<br />

Mailbox access<br />

Email Security<br />

Directory<br />

Domain Name System<br />

File transfer protocols<br />

Hypertext Transfer Protocol HTTP v1 .1 (RFC<br />

261 6)<br />

Simple Mail Transfer Protocol SMTP<br />

(RFC2821,RFC2822)<br />

Multipurpose Internet Mail Extensions MIME<br />

(RFC 2045, RFC 2046, RFC 2047, RFC 2048<br />

and RFC 2077)<br />

Internet Message Access Protocol IMAPV4.1<br />

(RFC 3501)<br />

S/MIME V3 shall be used where appropriate<br />

<strong>for</strong> pan government messaging security unless<br />

security requirements dictate otherwise. This<br />

includes RFC 2630 to RFC 2633.<br />

X.500 core schema (ISO/IEC95948). Lightweight<br />

Directory Access Protocol LDAP V3<br />

(RFC4510) is to be used <strong>for</strong> general-purpose<br />

directory user access.<br />

DNS (RFC 1032 to RFC1035 and related updates)<br />

FTP (RFC 959, RFC1579, RFC2428)<br />

Secure copy over ssh (OpenBSD reference<br />

implementation)<br />

IETF/W3C<br />

IETF<br />

IETF<br />

IETF<br />

IETF<br />

ITU/IEC/ISO IETF<br />

IETF<br />

IETF<br />

LAN/WAN interworking Internet Protocol IPv4 (RFC 791) IETF<br />

IP security IP-SEC (RFC2402/2404) IETF<br />

IP encapsulation security Encapsulating Security Payload ESP (RFC2406) IETF<br />

Transport<br />

Transport Control Protocol TCP RFC793 with<br />

extensions as referred in RFC4614<br />

User Datagram Protocol UDP (RFC768)<br />

IETF IETF<br />

Transport security TLS1.1 (RFC 4346) IETF<br />

35

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