Some ip's doesn't get logged out (!)

Hi,

we have a WP, with iThemes Security installed and properly configured. After too many login attempts, the ip get banned. Works fine.

Now we found massive POST requests on our wp-login page, from 4 different IP addresses, in a very short time frame. And these four IP addresses just won’t get locked out. Our apache logs are full.

Other IP adresses are still being banned as usual. On this particular site, as well as on other sites. The IP addresses ARE NOT white-listed(!).

Any Idea what causes this strange behavior?

Best regards,
/f

Here some of the apache log…:

186.224.48.17 – – [06/Oct/2014:11:34:26 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:28 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:29 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:31 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:33 +0200] “POST /wp-login.php HTTP/1.1” 302 397 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:34 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:36 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:37 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:38 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:40 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:41 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:43 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:44 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:46 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:47 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:49 +0200] “POST /wp-login.php HTTP/1.1” 302 397 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:51 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:52 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“
186.224.48.17 – – [06/Oct/2014:11:34:54 +0200] “POST /wp-login.php HTTP/1.1” 302 396 “-” “-“

66.85.176.10 – – [05/Oct/2014:11:34:00 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:02 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:04 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:06 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:07 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:09 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:10 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:12 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:14 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:15 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:17 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:19 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:20 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:22 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:23 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:25 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:27 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:28 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:30 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:32 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:33 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:35 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:36 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:38 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:40 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:41 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:43 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:45 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:46 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:48 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:49 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:51 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:53 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:54 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:56 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:58 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:34:59 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:01 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:02 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:04 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:06 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:07 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:09 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“
66.85.176.10 – – [05/Oct/2014:11:35:11 +0200] “POST /wp-login.php HTTP/1.0” 302 327 “-” “-“

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