Up until a week or so ago I used 91.5 as my iTrip frequency in Melbourne. Most of my driving is in the inner West and inner East and it worked fine until ‘Vega 91.5‘ muscled in on my bandwidth.
I’ve now switched to 95.3 and it seems to work okay. Anyone else have suggestions for frequencies that work well in Melbourne?
The blog comment/trackback anti-spam refinement continues.
I’m testing the WP-Hashcash plugin, which inserts Javascript code to calculate an authorisation code into the comment. Since comment spammers don’t actually use the comment forms (at least I hope not; not until they start using people to enter the comments), this means only real comments get through. Well, real comments from people with Javascript running. If they don’t have Javascript running, they may be out of luck. Hopefully that applies to nobody these days, and I think this solution is less painful than a captcha-based one.
But trackback spam is still a problem. One available option is to block direct access to the WordPress trackback PHP, but this isn’t very effective, since most current trackback spammers however are clever enough to call the “real” URL.
A version of Auto shutoff comments modified to close trackbacks on posts older than 28 days, however, seems more effective. I don’t particularly want to shut comments off (especially since the above plugin effectively stops comment spam), but trackbacks are less compelling to keep open.
Together with previously discussed .htaccess entries to block big bandwidth thieves, this appears to be a fairly effective set of anti-blog spam measures. For now.
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