логи, хз от туда взял или нет.. /домен.com.error.log
2015/12/11 23:23:32 [warn] 4311#0: *263 a client request body is buffered to a temporary file /var/lib/nginx/tmp/client_body/0000000030, client: айпитут, server: домен.com, request: "POST /atut1st/index.php?controller=AdminModules&configure=steasycontent&tab_module=front_office_features&module_name=steasycontent&token=4f9abdcae4ab695042b4c6b423c96a83 HTTP/1.1", host: "домен.com", referrer: "http://домен.com/atut1st/index.php?controller=AdminModules&configure=steasycontent&id_st_easy_content=12&updatesteasycontent&token=4f9abdcae4ab695042b4c6b423c96a83"
[Fri Dec 11 23:23:32.418135 2015] [fcgid:warn] [pid 4308] [client айпитут:50754] mod_fcgid: HTTP request length 134105 (so far) exceeds MaxRequestLen (131072), referer: http://домен.com/atut1st/index.php?controller=AdminModules&configure=steasycontent&id_st_easy_content=12&updatesteasycontent&token=4f9abdcae4ab695042b4c6b423c96a83