nginxで無効なログインパスワードを記録しました

nginxで無効なログインパスワードを記録しました

nginxログで見たいのは、誰かが私のサーバーにログインしようとしていて、間違ったパスワードを入力したときです。 /var/log/nginx/error.log にエラーは表示されません。

2016/08/12 08:45:14 [error] 1282#0: *25820 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 95.147.166.217, server: 172.31.0.10, request: "GET /ocs/v2.php/apps/notifications/api/v1/notifications?format=json HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:45:55 [error] 1282#0: *25727 upstream timed out (110: Connection timed out) while sending request to upstream, client: 95.147.166.217, server: 172.31.0.10, request: "POST /index.php/apps/files/ajax/upload.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:46:04 [error] 1280#0: *25849 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 95.147.166.217, server: 172.31.0.10, request: "GET /ocs/v2.php/apps/notifications/api/v1/notifications?format=json HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:46:14 [error] 1282#0: *25820 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 95.147.166.217, server: 172.31.0.10, request: "GET /ocs/v2.php/apps/notifications/api/v1/notifications?format=json HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:46:56 [error] 1282#0: *25727 upstream timed out (110: Connection timed out) while sending request to upstream, client: 95.147.166.217, server: 172.31.0.10, request: "POST /index.php/apps/files/ajax/upload.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:47:04 [error] 1280#0: *25859 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 95.147.166.217, server: 172.31.0.10, request: "GET /ocs/v2.php/apps/notifications/api/v1/notifications?format=json HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:47:15 [error] 1282#0: *25820 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 95.147.166.217, server: 172.31.0.10, request: "GET /ocs/v2.php/apps/notifications/api/v1/notifications?format=json HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"
2016/08/12 08:52:03 [error] 1282#0: *25727 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 95.147.166.217, server: 172.31.0.10, request: "POST /index.php/apps/files/ajax/upload.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "mysecurecloud.ddns.net"

また、インターネットのいくつかのガイドに従ってログレベルを変更しようとしましたが、コマンドが認識されませんでした。

2016/08/12 11:47:44 [emerg] 32543#0: unknown log format "info" in /etc/nginx/nginx.conf:40
2016/08/12 11:48:54 [emerg] 32556#0: unknown log format "warn" in /etc/nginx/nginx.conf:40

どんなアイデアがありますか?

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