[dns-operations] creeping poorness of judgement

SM su at elandnews.com
Sat Mar 14 03:52:46 UTC 2020


Hi Paul,
At 08:04 PM 13-03-2020, Paul Vixie wrote:
>oh my great goodness. in RFC 7208 we have this:
>
>3.3.  Multiple Strings in a Single DNS Record
>
>    As defined in [RFC1035], Sections 3.3 and 3.3.14, a single text DNS
>    record can be composed of more than one string.  If a published
>    record contains multiple character-strings, then the record MUST be
>    treated as if those strings are concatenated together without adding
>    spaces.  For example:
>
>       IN TXT "v=spf1 .... first" "second string..."
>
>    is equivalent to:
>
>       IN TXT "v=spf1 .... firstsecond string..."
>
>    TXT records containing multiple strings are useful in constructing
>    records that would exceed the 255-octet maximum length of a
>    character-string within a single TXT record.
>
>note the lack of a space between the word "first" and the word 
>"second". this means:

That matches https://kb.isc.org/docs/aa-00356  The RFC referenced in 
that article is RFC 4408 instead of RFC 7208.

Regards,
-sm 



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