[warn] (2)No such file or directory: Failed to enable the 'dataready' Accept Filter
然后加：accf_data_load="YES"
到你的/boot/loader.conf并运行：
kldload accf_data.ko
[警告]（2）没有这样的文件或目录：无法启用'dataready'接受过滤器
如果你的apache日志中出现以下错误
[warn] (2)No such file or directory: Failed to enable the 'dataready' Accept Filter
然后加：accf_data_load="YES"
到你的/boot/loader.conf并运行：
kldload accf_data.ko
