Bind + DKIM (ran out of space)
Mark Andrews
Mark_Andrews at isc.org
Tue May 6 00:10:36 UTC 2008
> The original message was garbled, but I can guess the question from
> the subject line.
>
> The original poster was trying to create DKIM-related TXT records, but
> did not format the record data in the form of multiple strings of up
> to 255 characters each.
>
> A TXT record takes one or more string literals in the data. Each
> string is limited to 255 characters. So for values larger than that,
> it is necessary to break them into smaller strings. DKIM processing
> should tolerate this, and BIND certainly does. (I've been unable to
> find an upper limit to the total data size or number of strings. I
> gave up after exceeding 8 KB, using 33 strings of 255 characters each.
> I have not checked the source code, of course.)
named supports up to the maximimal DNS message of 65535 bytes.
For a single TXT record at the root that would give you 65507
(65535 - 12 (header) - 5 (question) - 11 (answer before rdata))
bytes of rdata.
Mark
> Chris Buxton
> Professional Services
> Men & Mice
>
> On May 2, 2008, at 10:44 AM, Laurent Archambault wrote:
>
> > ée£ó2)ìÿ¢þ)Áwb²«{û^²ßÿjwr¢çÇ&âÙh§íz¿ôÛóËý
> > ´ÓÍ<ÿÿãÏ÷ïHêÚ÷«®ÿv{ÿ Ö k÷ë¢k^Æßé®/Ú Èbÿ:'{ýûÿúÚ ¡û)iÇÿýÚ&j)ä{/
> > Ú Èbý© üS]?í
> >
>
>
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
More information about the bind-users
mailing list