Subject:
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Re: Help! Can't post a specific message
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Newsgroups:
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lugnet.admin.general
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Date:
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Sat, 1 Jul 2000 19:40:10 GMT
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Viewed:
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245 times
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In lugnet.admin.general, Kyle D. Jackson writes:
> [...] There must be somthing bizarre in my message that shows up in some
> kind of binaries code check or something. Since I can't post it, I can't
> show it to you..., I'll need to e-mail it to someone.
Kyle,
I found a copy of the rejected post in the dead-articles log on the server,
and ran it through the binary detector, and yes, something in the content is
tripping the binary detector (a fuzzy-logic recognizer which uses a variety
of tests in combination to recognize many different types of binary content
encodings).
What's confusing the detector here is the table, which has a very consistent
structure with negligible character-group variation from line to line.
Basically, it thinks you're posting a tall block of binary-encoded data
with checksums and comments on each line. The threshold exceeded 1.0 and
triggered "contains binary" status on the 12th line of the table, which is
coincidentally one line above a line which is one character shorter. Thus,
if the 13th line (one character shorter than the 12th line) has been higher
in the table, it wouldn't have triggered. (But you didn't do anything wrong!)
Since the detector's logic is fuzzy (in the mathematical sense) it's difficult
to know exactly how to adjust the threshold without causing other problems,
but I do have regression tests for the most important actual-binary cases.
Still, instead of adjusting the line variation threshold values (which can be
very mucky and sensitive) I've added a new "anti-check" to the mix: If, when
analyzing line-to-line differences, it sees sequences of non-printing
characters (i.e., space or tab), it says to itself, "OK, even though this
line would otherwise have likely been binary content, there's a whitespace
structure here which indicates to me that this may really be a table instead."
Thanks for reporting this and sorry for the trouble it caused you.
--Todd
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Message has 1 Reply:
 | | Re: Help! Can't post a specific message
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| (...) G'day Todd, Thanx for looking in this. Looks like my suspicion was right. I flooded the Test newsgroup with a bunch of experimental posts and also found the problem occurring on the 12th line. I tried adding and removing lines after that and (...) (24 years ago, 1-Jul-00, to lugnet.admin.general)
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Message is in Reply To:
| | Help! Can't post a specific message
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| G'day, I've been trying to post a message to lugnet.market.shopping and lugnet.loc.ca using the web interface, but keep getting the error: Notes: Your message was not accepted. Response from the news server: 441 Cannot accept binary posts. Things (...) (24 years ago, 1-Jul-00, to lugnet.admin.general)
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