Last modified: 2006-05-12 16:10:02 UTC

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Bug 4962 - The spam filter filters things which are not spam
The spam filter filters things which are not spam
Product: Wikimedia
Classification: Unclassified
General/Unknown (Other open bugs)
All All
: Normal normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!תבנית:מזנון
Depends on:
  Show dependency treegraph
Reported: 2006-02-11 18:15 UTC by Rotem Liss
Modified: 2006-05-12 16:10 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Description Rotem Liss 2006-02-11 18:15:16 UTC
The spam filter causes trouble - for example, now we cannot edit the page
specified above. The problem is the text "overflow: auto; height:", I don't know
why. Please fix or cancel the whole filter.
Comment 1 Rotem Liss 2006-02-11 18:17:48 UTC
By the way, "overflow: scroll" doesn't cause such problems. Please fix this bug.
Comment 2 Rob Church 2006-02-11 22:12:23 UTC
It's not a bug. The spam filter is working fine. The problem is that our wikis,
and a lot of other wikis, suffer from frequent spam which is injected into pages
in "invisible" divs, with a style approximately similar to:

<div style="overflow: auto; height: 1px;">{...}</div>

Where {...} represents a ton of URLs to various web sites. I believe that a
regex was hard coded into the configuration for all our wikis to prevent this
Comment 3 Rotem Liss 2006-02-17 16:12:51 UTC
Well, what about tinyurl? This filter is not useful - the spamer can just
replacing the tiny address with the real one - and causes troubles.
Comment 4 Rob Church 2006-02-17 16:21:17 UTC
TinyURL introduces a number of problems, many of which have been discussed
before. We're talking about a redirection service which you don't control; it
could be taken over or compromised at any time, and all those links could end up
pointing somewhere else. You also can't preview where the link goes; some
spammer could be slapping in links to a reincarnation of Goatse or a Last
Measure site.

If the spammer uses the real URL instead, then of course, that goes on the
blacklist too.

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