by Michael S. Kaplan, published on 2007/11/12 03:01 -05:00, original URI: http://blogs.msdn.com/b/michkap/archive/2007/11/12/6123732.aspx
Spam is a problem here, as I have mentioned before, especially from splogs.
(recent examples where I have talked about this before can be found here and here)
Thankfully, the blog filters (once I figured out how to set them up correctly!) are catching very close to 100% of the spam with almost no false positives.
In fact the only false positives (valid comments and trackbacks being treated as spam) these days seem to be the ones caused by this bug. And given that it has its greatest effect on non-anonymous comments (anonymous commenters can edit the title, non-anonymous commenters cannot), the trend appears to most punish registered readers!
Or maybe it punishes blog authors who use curse words in their titles or the introductory words in their posts!
Now as I suggested that I was thinking about in Track Update, comments are no longer disabled after 90 days.
I was curious what effect (if any) this was having on spam.
The final spam count between midnight Sunday 11 November 2007 and Midnight Monday 12 November is exactly 1,321, which is significantly more than it used to be.
I think it is not unreasonable to blame the fact that comments are not disabled after 90 days as the proximate cause. :-(
For now I will keep the settings as they are since the spam filters seem to be so bleeding effective, but I'll be looking at what I can do mitigate the one limitation above and allow myself to curse in titles when it is artistically necessary.... :-)
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# Skywing on 12 Nov 2007 10:33 AM:
Most of the blog spam sites (e.g. msdncoders) always post from the same (static) web server IP, so they're at least fairly easy to firewall off in an attempt to cut back on trackback spam.