все правильно, только я бы расширил ключ, скажем, до

limit_zone http $binary_remote_addr$request_uri$referer 1m;


а количество соединений уменьшил до 1

2011/3/27 Maxim Ponomarchuk <ponomarchuk_m@ukr.net>

> Друзья.
>
> Есть сервер под управлением Debian.
> Периодически появляется проблема связанная с тем что с одного айпи начинает
> валится уйма запросов к серверу + из-за этого вырастает LA .
>
> Например:
>
> cat production.log | grep 178.95.42.226
>
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:05) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:06) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:07) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:08) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:08) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:09) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:10) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:11) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:11) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:12) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:13) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:14) [GET]
> Processing ApplicationController#index (for 178.95.42.226 at 2011-03-27 07:56:15) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:15) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:16) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:16) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:17) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:22) [GET]
> Processing AdvertisementsController#show (for 178.95.42.226 at 2011-03-27 07:56:22) [GET]
> Processing AdvertisementsController#show (for 178.95.42.226 at 2011-03-27 07:56:24) [GET]
> Processing AdvertisementsController#show (for 178.95.42.226 at 2011-03-27 07:56:26) [GET]
> Processing AdvertisementsController#show (for 178.95.42.226 at 2011-03-27 07:56:27) [GET]
> Processing AdvertisementsController#show (for 178.95.42.226 at 2011-03-27 07:56:28) [GET]
> Processing AdvertisementsController#show (for 178.95.42.226 at 2011-03-27 07:56:30) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:31) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:32) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:33) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:34) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:35) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:35) [GET]
> Processing DataController#url_redirect (for 178.95.42.226 at 2011-03-27 07:56:36) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:36) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:36) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:37) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:37) [GET]
> Processing DataController#url_redirect (for 178.95.42.226 at 2011-03-27 07:56:38) [GET]
> Processing DataController#index (for 178.95.42.226 at 2011-03-27 07:56:39) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:39) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:40) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:40) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:41) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:42) [GET]
> Processing AdvertisementsController#upgrade (for 178.95.42.226 at 2011-03-27 07:56:43) [GET]
>
> В настройках nginx поставил лимит
>
>
> limit_zone http $binary_remote_addr 1m;
> limit_conn http 10;
>
> При тесте Siege - nginx успешно дропает соединения больше 10 в единый момент времени.
>
> В моем же случае такое условие не совпадает.
> Можно ли как сделать так - если с одного айпи в течении минуты есть больше 30 обращений к серверу - то заворачивать злодея на страничку - заглушку?Или как с таким бороться?
>
>
>
>
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>
>
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