進入Cent OS 8的Single User Mode
在Grub倒數讀秒畫面中按下ESC
按e編輯第一個選項
把ro改成rw init=/sysroot/bin/sh
然後直接按Ctrl-X或F10
出現提示符號後 執行chroot /sysroot/
就可以以passwd root更換root密碼
直接重開進入系統 不用再到Grub編輯
10.29 Slow HTTP Denial of Service Attack (Slowloris)
站長日誌 109.10.29 弱點掃描偵測到Slow HTTP Denial of Service Attack弱點一隻 Server-Specific Recommendations Applying the above steps to the HTTP servers tested in the previous article indicates the following server-specific settings: Apache Using the < Limit > and < LimitExcept > directives to drop requests with methods not supported by the URL alone won’t help, because Apache waits for the entire request to complete before applying these directives. Therefore, use these parameters in conjunction with the LimitRequestFields , LimitRequestFieldSize , LimitRequestBody , LimitRequestLine , LimitXMLRequestBody directives as appropriate. For example, it is unlikely that your web app requires an 8190 byte header, or an unlimited body size, or 100 headers per request, as most default configurations have. Set reasonable TimeOut and KeepAliveTimeOut directive values. The default value of 300 seconds for TimeOut is overkil...
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