47.82.11.230 - - [06/Aug/2026:23:02:26 +0800] "GET /wp-content/uploads/2022/06/davinci-resolve-fade-audio.png HTTP/1.1" 404 32376 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-" 47.82.11.230 - - [06/Aug/2026:23:02:26 +0800] "GET /wp-content/uploads/2022/06/how-to-use-transitions-davinciresolve-il.png HTTP/1.1" 404 32376 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-" 47.82.11.230 - - [06/Aug/2026:23:02:27 +0800] "GET /wp-content/uploads/2022/06/2022-03-tx-powerpoint-q.png HTTP/1.1" 404 42733 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-" 47.82.11.230 - - [06/Aug/2026:23:02:27 +0800] "GET /wp-content/uploads/2022/06/davinciresolve-2-03-0.png HTTP/1.1" 404 42741 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-" 47.82.11.230 - - [06/Aug/2026:23:02:27 +0800] "GET /wp-content/uploads/2022/06/unnamed-file.png HTTP/1.1" 404 42726 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-" 47.82.11.230 - - [06/Aug/2026:23:02:27 +0800] "GET /wp-content/uploads/2022/06/14-richhuang-o-2022-06-03-2022-06-03-xfre-by.png HTTP/1.1" 404 42733 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-" 47.82.11.230 - - [06/Aug/2026:23:02:27 +0800] "GET /wp-content/uploads/2022/06/r22-06-03-tx-powerpoint-4-q-fa.png HTTP/1.1" 404 42733 "https://rurupapa.tplinkdns.com/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36" "-"
這段日誌非常精彩,它記錄了一個在 23:04 被您的 Fail2ban 正式執行 Ban 動作的惡意 IP(47.82.11.230),在被封鎖前「最後 1 秒鐘」的瘋狂連線特徵。
不過,這裡面隱藏了幾個與之前完全不同的超重要細節,這說明您的伺服器當時正面臨另一種型態的流量消耗:
rurupapa.tplinkdns.com請注意日誌中的 Referrer(來源網頁標頭):
"https://rurupapa.tplinkdns.com/"
這說明這台機器人(或是某個惡意網頁)並不是隨機猜測 IP,而是精準指名了您在 TP-Link 路由器上綁定的動態 DNS 網域(rurupapa.tplinkdns.com)。因為它帶了正確的 Domain,所以成功繞過了您用來防禦 IP 直連的 00-default-drop.conf 規則,直接進入了您的 WordPress 處理流程。
這組日誌非常有針對性,他找的全部都是您在 2022 年 6 月上傳的 DaVinci Resolve(達芬奇剪輯軟體)教學圖片與 PowerPoint 簡報截圖:
davinci-resolve-fade-audio.png (音訊淡出教學圖片)how-to-use-transitions-davinciresolve-il.png (轉場效果教學圖片)14-richhuang-o-...-xfre-by.png (帶有您專案名稱 richhuang 的自製圖片)為什麼會瘋狂點擊這些圖片?有兩種可能:
wordpress-data 或 wordpress-data-longfu 資料夾中。這導致 Nginx 找不到實體圖片,一律回應了 404。404 42733(效能隱形殺手)請仔細觀察日誌中的狀態碼與回傳位元組: