certificate read permission and user running radius problem

[Arjuna Scagnetto]

with these permissions it doesn't work. (radiusd runned as nobody)
TestCerts/	drw-r-xr-x	nobody nobody	
	
cert.pem 	-rw-r-xr-x	nobody nobody
cacert.pem	-rw-r-xr-x	nobody nobody

with these permissions it works. (radiusd runned as nobody)

TestCerts/	drw-r-xr-x	root root	
	
cert.pem 	-rw-r-xr-x	root root
cacert.pem	-rw-r-xr-x	root root

I'm realy confused!
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