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Jan 2, 2011 at 19:00 comment added Aarobot You're kidding, right? Denial of service attacks don't have to be done at the network level. Usually a much quicker path is to bring down the application or the database, and write transactions are by far the quickest way to do that. Rate-limiting write access is one of the most important things that any web application can do.
Jan 2, 2011 at 18:52 comment added sth @Aarobot: For DDoS you really don't need to edit posts, I don't think the captcha is any help there. And to edit you need 2000 rep, which shows a certain commitment to the site. I would assume that only quite few of those people would turn their accounts into spamming accounts. For sure it wouldn't be that many that it couldn't be dealt with individually. If someone wanted to spam/... through editing it would need to be dealt with individually anyway since you can also cause a lot of harm with one edit per 30 seconds (or whatever the limit is). I don't see how the captcha helps there at all.
Jan 2, 2011 at 17:43 comment added Aarobot And sth - it's simply foolish not to use any rate-limiting on any modern site. It's easy to say it's unnecessary when nothing bad is happening, but take those limits away and it won't be long before the first DDoS or spam attack.
Jan 2, 2011 at 17:42 comment added Aarobot @01: I got to 10k and well above without answering "a lot of stupid questions", and that was over a year ago. Maybe you should post better answers?
Jan 2, 2011 at 11:47 comment added IAdapter but to get 10k you have to ask/answer a lot of stupid questions(from hard questions you can only get satisfaction), but its good to know that, thx for sharing. maybe it has something to do with db performance? the more updates/inserts the slower the db is.
Jan 2, 2011 at 6:30 history edited sth CC BY-SA 2.5
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Jan 2, 2011 at 3:01 history answered sth CC BY-SA 2.5