…ders are a subset of strings. In the Internet Message Specification [ IMAIL ] [ RFC1123 ], each header line is allowed to have whitespace nearly anywhere in the line, including after the field name and before the subsequent colon. Extra spaces between the header name and the ":" …

… date-time format or in the date format defined in section 5.2.14 of RFC 1123 [ rfc1123 ]. The RFC3339 date-time format is preferred. The actual format of this field is undefined. The iTXt chunk uses the UTF-8 encoding [ rfc3629 ] and can be used to convey characters in any langu…

…lent statements appeared in specifications in 2001 RFC2821 ] and even in 1989 [ RFC1123 ]. Adherence to this rule means that a downgrade mechanism that transforms the local part of an email address cannot be utilized in transit. It can only be applied at the endpoints, specifical…

… File Transfer Protocol, as defined in RFC 959 RFC959 ] and RFC 1123 Section 4 [RFC1123] , is one of the oldest and widely used protocols on the Internet. The protocol's primary character set, 7 bit ASCII, has served the protocol well through the early growth years of the Interne…

… date-time format or in the date format defined in section 5.2.14 of RFC 1123 [ rfc1123 ]. The RFC3339 date-time format is preferred. The actual format of this field is undefined. The iTXt chunk uses the UTF-8 encoding [ rfc3629 ] and can be used to convey characters in any langu…

…s of the format and syntax of domain names appear in RFCs 1035 [RFC1035], 1123 [RFC1123], and 2181 [RFC2181]. Any characters, or combination of bits (as octets), are permitted in DNS names. However, there is a preferred form that is required by most applications. This preferred f…

…f the format and syntax of domain names appear in RFCs 1035 [ RFC1035 ], 1123 [ RFC1123 ], and 2181 RFC2181 ]. Any characters, or combination of bits (as octets), are permitted in DNS names. However, there is a preferred form that is required by most applications. This preferred …

…Hostnames take the form described in Section 3 of [RFC1034] and Section 2.1 of [RFC1123] : a sequence of domain labels separated by ".", each domain label starting and ending with an alphanumeric character and possibly also containing "-" characters. The rightmost domain label of…

…Hostnames take the form described in Section 3 of [RFC1034] and Section 2.1 of [RFC1123] : a sequence of domain labels separated by ".", each domain label starting and ending with an alphanumeric character and possibly also containing "-" characters. The rightmost domain label of…

…s are associated in [ RFC1535 ]. The earliest use of the term can be found in [ RFC1123 ]. References to those older specifications ought not to be construed as limiting the Saint-Andre Standards Track [Page 5] RFC 7622 XMPP Address Format September 2015 characters of a fully qua…

…Hostnames take the form described in Section 3 of [RFC1034] and Section 2.1 of [RFC1123] : a sequence of domain labels separated by ".", each domain label starting and ending with an alphanumeric character and possibly also containing "-" characters. The rightmost domain label of…

…tnames take the form described in Section 3 of [ RFC1034 ] and Section 2.1 of [ RFC1123 ]: a sequence of domain labels separated by ".", each domain label starting and ending with an alphanumeric character and possibly also containing "-" characters. The rightmost domain label of…

… File Transfer Protocol, as defined in RFC 959 RFC959 ] and RFC 1123 Section 4 [RFC1123] , is one of the oldest and widely used protocols on the Internet. The protocol's primary character set, 7 bit ASCII, has served the protocol well through the early growth years of the Interne…

…f the format and syntax of domain names appear in RFCs 1035 [ RFC1035 ], 1123 [ RFC1123 ], and 2181 RFC2181 ]. Any characters, or combination of bits (as octets), are permitted in DNS names. However, there is a preferred form that is required by most applications. This preferred …

…r time zone, and should be assumed when reading the asctime format. HTTP-date = rfc1123-date | rfc850-date | asctime-date rfc1123-date = wkday "," SP date1 SP time SP "GMT" rfc850-date = weekday "," SP date2 SP time SP "GMT" asctime-date = wkday SP date3 SP time SP 4DIGIT date1 =…