Bui

are you using shared hosting? your provider has probably disabled it

apt-get install php5-apc if that fails, apt-get install php-apc

also I believe @ctrlcctrlv mentioned custom post/thread limits. this is good, and possibly add a "spam protection" option for mods that, if enabled, uses an algorithm to lower the amount...

from what I've tested, 8chan's reCAPTCHA TTL is 25-30 minutes. I think 4chan's is 5 minutes. still, paying for solving or having multiple workers could be used to deal with...

ah, yeah, I understand the privacy concerns. However a custom CAPTCHA unfortunately won't stop dedicated spammers, even with a low TTL. It may have some effect but is not 100%...

I also think (2) is smart, but it drastically cuts down the amount of threads allowed. I think make it 7-8 pages instead of 5 (or better, make it configurable).

currently: 150 captchas to fully wipe the board if this were to be implemented with a threshold of min. 5 posts past page 5, then (15 threads x 5 pages)...

> 1) users running legitimate web services would be automatically caught by the portscan block; in those instances, maybe consider checking if it actually is an open proxy running. I'm...

are any 4chan x 3.0 forks even maintained anymore?