User talk:Jonas

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Code Signing for Mac OS X

Please see the talk here.--Jwdietrich 14:48, 3 October 2013 (CEST)

anti-spam bug & suggestion

Program SpammersAreParasites;
var
  l1,l2: Srting;
begin
  l1:='13';
  l2:='10';
  Mve:=l1 + l2;
  Mve:=(Mve)
(*
  l1:=61;
  l2:=10
 Mve:=(l1 + l2);
*)
end.

I'd been trying to fix some minor language errors on Multithreaded_Application_Tutorial#Do you need multi-threading? but was kept from saving edits by the antispam-'feature' which lets me do a calculation. The program won't compile: Srting should probably be String and Mve isn't declared. Apart from the programbugs, I was 'accused' of adding new external links. However, the subpage did not include any exlinks al all. Seems to me that the anti-spam countermeasure is likely to block most non-spam edits as well...

I'm running a bunch of wiki-sites which used to be heavily spammed. Since the use of the 'cats and dogs pictures' captcha (Asirra) I haven't seen a single spam user (used to be 200+ each day). Arent 09:16, 16 June 2014 (CEST)

The typos and other errors in the program are on purpose, to prevent bots from just compiling the source code and running it (it seemed that they did this after a while with the previous captcha). Whether or not you are trying to add a link is determined by the ConfirmEdit extension, which is a standard mediawiki extension to integrate captchas. It's possible that it always scans the entire page, that's not something I have control over.
I doubt the captcha blocks most non-spam edits, since new accounts are still being created (which also requires a captcha to be solved) and pages like Lazarus_Application_Gallery (which contain a ton of external links) are still being updated. It's possible you tried to edit from an IP address blacklisted by stopforumspam.com, that will also cause our captcha to fail. You can check via www.stopforumspam.com/api?ip=your.ip.address. If it says "ip yes", then your IP address is currently blacklisted.
Also keep in mind that the captcha program uses strings rather than numbers.
I'm a strong believer in diversifying captchas as much as possible, as many people using the same captcha will result spammers focussing their attention on it and they'll then break it sooner or later. The more different captcha programs, the less incentive there is for spammers to adapt their bots to it.
Jonas 11:45, 16 June 2014 (CEST)