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2.2.3.9 LinkSecurity Type

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LinkSecurity type is a 1-byte value represented as a single, uppercase ASCII character specifying the URI scheme for a link, such as HTTP or HTTPS. A LinkSecurity type MUST have only one value at a time. A NULL value for LinkSecurity is used for a backward link. The only valid non-NULL values of LinkSecurity are specified as follows.

Value

Description

H

The URL begins with "http://" (a nonsecure link using the http: scheme).

T

The URL begins with "shttp://" (an S-HTTP link using the Terisa's shttp: scheme, as specified in  [RFC2660]).

S

The URL begins with "https://" (an SSL link using the https: or snews: scheme).

U

The URL is of another unknown scheme.