On Sun, Jul 08, 2007 at 01:51:11PM +0200, Ralph Passgang wrote:
> I think captchas for "anonymous" users that are not logged in is a good idea
> in general, because the simple question is what is harming our project more.
> This kind of spam attacks every week or maybe one or two users that don't
> submit a bug report because of the captcha "feature", but for the registered
> users (mainly developer) that would be a pain in the ass and absolutly
> unneeded for them.

For sure. Seems like tg's browser doesn't support sessions, too. :)

> But if captcha's, then please some kind of captcha that is easy to read. Some
> captchas used today in the web are even to hard even for humans.

Well, I also would appreciate a solution using figlet, and it's
wonderfully readable, too.

> Another possibilty would be some timing based algorithm. No "human" anonymous
> user can update 50+ tickets within just 1-2 seconds. Allowing 1 update per
> minute and ip would be a resonable value (for anonymous users) in my opinion.

This is already checked by trac's Spamfilter. Maybe we should raise the
points for it, though.

> And last but not least. Have I understood it correctly, that anonymous users
> can send mail though our ticketing system? If so, we should disable the
> possibility to use the ticketing system for sending mails (at least again for
> the anonymous users).

One can specify a "Cc" address when submitting a ticket. Maybe we should
disable this feature? I think it's worse enough that all developers get
the spam by email.

> Sounds like hacking trac is needed :) What about upstream? They should know
> about this kind of spam problem. Haven't they a working solution?

Before sending my email I checked trac's settings regarding spam
filtering. As you are also member of the trac_admin group, you can check
them yourself. But besides adding some keywords to the "bad content"
page, I have no idea what to change to make it more efficient.

Greetings, Phil
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