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[warn] (2)No such file or directory: Failed to enable the ‘httpready’ Accept Filter | FreeBSD Apache HTTP Accept Filter Error



When Apache web server is starting up in FreeBSD system, Apache loads succcessfully and web server functioning properly, but the following warning error occurs:

[warn] (2)No such file or directory: Failed to enable the ‘httpready’ Accept Filter


The resolution to the above problem is to a accf_http module, which function is to buffer incoming connections until a certain complete HTTP requests arrive, into FreeBSD kernel by using kernel linker:

kldload accf_http

To permanently load enable HTTP Accept Filter FreeBSD kernel module (accf_http), add the following line
 into /boot/loader.conf:

accf_http_load="YES"

Note: The default settings is located in /boot/defaults/loader.cnf. To see the related settings about accf, use:
grep accf /boot/defaults/loader.conf

which will returns:

accf_data_load=”NO” # Wait for data accept filter
accf_http_load=”NO” # Wait for full HTTP request accept filter


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